New pages

6 July 2026

• 20:3420:34, 6 July 2026 CALPAK (hist | edit) [4,309 bytes] Cliff (talk | contribs) (Created page with "'''CALPAK''' refers to a calibration package used in the Pontiac Fiero ECM. The CALPAK provides backup calibration information used by the ECM. It is related to, but separate from, the PROM. == Overview == The Fiero ECM uses calibration information to control engine operation. The PROM contains the main calibration data, while the CALPAK provides backup or supporting calibration information used by the ECM. A faulty, incorrect, poorly seated, or damag...")
• 20:3420:34, 6 July 2026 PROM (hist | edit) [4,617 bytes] Cliff (talk | contribs) (Created page with "'''PROM''' refers to the removable calibration chip used in the Pontiac Fiero ECM. PROM stands for '''Programmable Read-Only Memory'''. In the Fiero ECM, the PROM contains calibration information used by the ECM to control the engine. == Overview == The PROM contains engine and vehicle-specific calibration data. This information tells the ECM how to manage fuel delivery, ignition timing, idle behavior, emissions functions, diagnostic behavior, and other engine...")
• 20:3320:33, 6 July 2026 EGR tube (hist | edit) [4,387 bytes] Cliff (talk | contribs) (Created page with "'''EGR tube''' refers to the exhaust gas recirculation tube used on the Pontiac Fiero EGR system. The EGR tube carries exhaust gas from the exhaust side of the engine to the intake side so that exhaust gas can be recirculated under certain operating conditions. == Overview == The EGR tube is part of the exhaust gas recirculation system. On the Fiero, the EGR tube is especially important on the 2.8L V6 because cracks or leaks in the tube can create vacuum-leak...")
• 20:3320:33, 6 July 2026 EGR valve (hist | edit) [5,162 bytes] Cliff (talk | contribs) (Created page with "'''EGR valve''' refers to the exhaust gas recirculation valve used by the Pontiac Fiero EGR system. The EGR valve controls the flow of exhaust gas into the intake system. It is part of the emissions-control system and is controlled indirectly by the ECM through the EGR solenoid and vacuum system. == Overview == EGR stands for '''Exhaust Gas Recirculation'''. The EGR valve allows a controlled amount of exhaust gas to enter the intake under certain oper...")
• 20:3220:32, 6 July 2026 EGR solenoid (hist | edit) [4,593 bytes] Cliff (talk | contribs) (Created page with "'''EGR solenoid''' refers to the electrically controlled vacuum solenoid used by the Pontiac Fiero EGR system. The EGR solenoid controls vacuum to the EGR valve. The ECM controls the solenoid to determine when EGR operation is allowed. == Overview == The EGR solenoid is part of the exhaust gas recirculation system. The ECM does not open the EGR valve directly. Instead, it controls the EGR solenoid, which controls vacuum to the EGR valve. When the corr...")
• 20:3120:31, 6 July 2026 EGR system (hist | edit) [5,906 bytes] Cliff (talk | contribs) (Created page with "'''EGR system''' refers to the exhaust gas recirculation system used on the Pontiac Fiero. EGR stands for '''Exhaust Gas Recirculation'''. The system allows a controlled amount of exhaust gas to enter the intake under certain operating conditions. This helps reduce combustion temperature and emissions. == Overview == The EGR system is an emissions-control system. It is not active under all driving conditions. The ECM controls EGR operation based on engine temp...")
• 20:3120:31, 6 July 2026 Idle air control valve (hist | edit) [5,018 bytes] Cliff (talk | contribs) (Created page with "'''Idle air control valve''' refers to the idle-control valve used by the Pontiac Fiero ECM. The idle air control valve is often abbreviated as IAC. It allows the ECM to control idle speed by adjusting the amount of air that bypasses the throttle plate. == Overview == The IAC valve is part of the throttle-body and idle-control system. When the throttle is closed, the engine still needs air to idle. The ECM controls this bypass air through the IAC valve. By mo...")
• 20:3020:30, 6 July 2026 Vehicle speed sensor (hist | edit) [4,827 bytes] Cliff (talk | contribs) (Created page with "'''Vehicle speed sensor''' refers to the speed sensor used by the Pontiac Fiero to provide vehicle-speed information. The vehicle speed sensor is often abbreviated as VSS. The VSS signal is used by the speedometer system and is also used by the ECM for engine-management and diagnostic functions. == Overview == The vehicle speed sensor provides information about how fast the car is moving. On the Fiero, vehicle speed information is important for the speedomete...")
• 20:3020:30, 6 July 2026 Manifold absolute pressure sensor (hist | edit) [6,030 bytes] Cliff (talk | contribs) (Created page with "'''Manifold absolute pressure sensor''' refers to the manifold-pressure sensor used by the Pontiac Fiero ECM. The manifold absolute pressure sensor tells the ECM how much pressure or vacuum is present in the intake manifold. The ECM uses this information to estimate engine load and to calculate fuel delivery, ignition timing, and drivability behavior. == Overview == The manifold absolute pressure sensor is often abbreviated as MAP sensor. The MAP sensor is on...")
• 20:2920:29, 6 July 2026 Manifold air temperature sensor (hist | edit) [4,926 bytes] Cliff (talk | contribs) (Created page with "'''Manifold air temperature sensor''' refers to the air-temperature sensor used by the Pontiac Fiero ECM. The manifold air temperature sensor tells the ECM the temperature of the incoming air. The ECM uses this information for fuel-mixture calculations, warm-up behavior, drivability control, and diagnostic trouble code decisions. == Overview == The manifold air temperature sensor is often abbreviated as MAT sensor. Air temperature affects air density. Cooler...")
• 20:2920:29, 6 July 2026 Throttle position sensor (hist | edit) [4,845 bytes] Cliff (talk | contribs) (Created page with "'''Throttle position sensor''' refers to the throttle-position sensor used by the Pontiac Fiero ECM. The throttle position sensor tells the ECM how far the throttle is opened. The ECM uses this information for fuel control, acceleration enrichment, idle behavior, deceleration behavior, and diagnostic trouble code decisions. == Overview == The throttle position sensor, often abbreviated as TPS, is mounted on the throttle body and is connected to the throttle sh...")
• 19:1019:10, 6 July 2026 Coolant temperature sensor (hist | edit) [6,224 bytes] Cliff (talk | contribs) (Created page with "'''Coolant temperature sensor''' refers to the engine coolant temperature sensor used by the Pontiac Fiero ECM. The coolant temperature sensor tells the ECM how warm the engine is. The ECM uses this information for fuel mixture, idle control, cold-start enrichment, warm-up behavior, closed-loop operation, and diagnostic trouble code decisions. == Overview == The coolant temperature sensor is one of the most important engine-management sensors on the Fiero. Wh...")
• 19:0819:08, 6 July 2026 Oxygen sensor (hist | edit) [4,927 bytes] Cliff (talk | contribs) (Created page with "'''Oxygen sensor''' refers to the exhaust oxygen sensor used by the Pontiac Fiero ECM for fuel-mixture control. The oxygen sensor monitors oxygen content in the exhaust stream. The ECM uses this signal to help determine whether the engine is running rich or lean during closed-loop operation. == Overview == The oxygen sensor is part of the Fiero's electronic fuel injection system. Once the engine is warm enough and operating conditions are correct, the ECM ente...")
• 19:0619:06, 6 July 2026 ECM (hist | edit) [4,766 bytes] Cliff (talk | contribs) (Created page with "'''ECM''' stands for '''Engine Control Module'''. On the Pontiac Fiero, the ECM is the computer that controls the engine management system. The ECM receives information from engine sensors, processes that information, and controls fuel delivery, ignition timing, idle control, emissions functions, and diagnostic trouble code reporting. == Overview == The Fiero ECM is part of the car's electronic fuel injection and engine-control system. It monitors sensor inputs s...")
• 19:0519:05, 6 July 2026 Code 55 (hist | edit) [14,735 bytes] Cliff (talk | contribs) (Created page with "'''Code 55''' is a diagnostic trouble code related to the ECM on the Pontiac Fiero. Code 55 indicates that the ECM has detected an internal error or serious ECM-related fault. == Overview == The ECM controls the engine management system. It receives sensor inputs, processes engine operating conditions, and controls fuel delivery, ignition timing, idle control, emissions functions, and diagnostic functions. Code 55 is set when the...")
• 19:0419:04, 6 July 2026 Code 53 (hist | edit) [2,968 bytes] Cliff (talk | contribs) (Created page with "'''Code 53''' is a diagnostic trouble code related to system voltage on the Pontiac Fiero. Code 53 indicates that the ECM has detected a system over-voltage condition. == Overview == The ECM monitors vehicle electrical system voltage. If voltage becomes too high, the ECM may set Code 53. A system over-voltage condition can be caused by a charging-system problem, alternator problem, voltage regulator problem, wiring problem, poor b...")
• 19:0419:04, 6 July 2026 Code 52 (hist | edit) [2,895 bytes] Cliff (talk | contribs) (Created page with "'''Code 52''' is a diagnostic trouble code related to the ECM CALPAK on the Pontiac Fiero. Code 52 indicates that the ECM has detected a problem with the CALPAK, CALPAK installation, CALPAK connection, or related ECM backup-calibration function. == Overview == The CALPAK is a calibration package used by the ECM. It provides backup calibration information that allows the ECM to operate in a limited mode if certain ECM or PROM functi...")
• 19:0319:03, 6 July 2026 Code 51 (hist | edit) [2,898 bytes] Cliff (talk | contribs) (Created page with "'''Code 51''' is a diagnostic trouble code related to the ECM PROM on the Pontiac Fiero. Code 51 indicates that the ECM has detected a problem with the PROM, PROM installation, PROM connection, or related ECM memory function. == Overview == The PROM contains calibration information used by the ECM. This calibration tells the ECM how to control fuel, ignition, idle, emissions equipment, and other engine-management functions for a sp...")
• 19:0319:03, 6 July 2026 Code 45 (hist | edit) [3,445 bytes] Cliff (talk | contribs) (Created page with "'''Code 45''' is a diagnostic trouble code related to a rich exhaust indication on the Pontiac Fiero. Code 45 indicates that the ECM is seeing an oxygen sensor signal that suggests the engine is running rich. == Overview == The Oxygen sensor monitors oxygen content in the exhaust. The ECM uses this signal to adjust fuel mixture during closed-loop operation. Code 45 is set when the ECM detects a rich exhaust condition for longe...")
• 19:0219:02, 6 July 2026 Code 44 (hist | edit) [3,405 bytes] Cliff (talk | contribs) (Created page with "'''Code 44''' is a diagnostic trouble code related to a lean exhaust indication on the Pontiac Fiero. Code 44 indicates that the ECM is seeing an oxygen sensor signal that suggests the engine is running lean. == Overview == The Oxygen sensor monitors oxygen content in the exhaust. The ECM uses this signal to adjust fuel mixture during closed-loop operation. Code 44 is set when the ECM detects a lean exhaust condition for longe...")
• 19:0119:01, 6 July 2026 Code 42 (hist | edit) [11,311 bytes] Cliff (talk | contribs) (Created page with "'''Code 42''' is a diagnostic trouble code related to the electronic spark timing circuit on the Pontiac Fiero. Code 42 indicates that the ECM has detected a problem in the electronic spark timing system. == Overview == The Fiero ignition system uses electronic spark timing control. Under normal operation, the ECM can control ignition timing through the ignition module and related wiring. Code 42 is set when the ECM detects an une...")
• 19:0119:01, 6 July 2026 Code 35 (hist | edit) [3,752 bytes] Cliff (talk | contribs) (Created page with "'''Code 35''' is a diagnostic trouble code related to idle speed control on the Pontiac Fiero. Code 35 indicates that the ECM cannot maintain the expected idle speed. == Overview == The ECM controls idle speed by adjusting the amount of air bypassing the throttle plate. On Fieros equipped with an idle air control system, this is handled through the Idle air control valve, often abbreviated as IAC. Code 35 is set when the actua...")
• 19:0119:01, 6 July 2026 Code 34 (hist | edit) [3,269 bytes] Cliff (talk | contribs) (Created page with "'''Code 34''' is a diagnostic trouble code related to the Manifold absolute pressure sensor circuit on the Pontiac Fiero. Code 34 indicates that the ECM has detected a manifold absolute pressure sensor signal that represents unusually high vacuum or low manifold pressure. == Overview == The manifold absolute pressure sensor, often abbreviated as MAP sensor, tells the ECM how much pressure or vacuum is present in the intake mani...")
• 19:0019:00, 6 July 2026 Code 33 (hist | edit) [3,307 bytes] Cliff (talk | contribs) (Created page with "'''Code 33''' is a diagnostic trouble code related to the Manifold absolute pressure sensor circuit on the Pontiac Fiero. Code 33 indicates that the ECM has detected a manifold absolute pressure sensor signal that represents unusually low vacuum or high manifold pressure. == Overview == The manifold absolute pressure sensor, often abbreviated as MAP sensor, tells the ECM how much pressure or vacuum is present in the intake mani...")
• 18:5918:59, 6 July 2026 Code 32 (hist | edit) [3,407 bytes] Cliff (talk | contribs) (Created page with "'''Code 32''' is a diagnostic trouble code related to the EGR system on the Pontiac Fiero. Code 32 indicates that the ECM has detected a problem with EGR vacuum control or EGR system operation. == Overview == EGR stands for Exhaust Gas Recirculation. The EGR system allows a controlled amount of exhaust gas to enter the intake under certain operating conditions. This helps reduce combustion temperature and emissions. On the Fie...")
• 18:5918:59, 6 July 2026 Code 25 (hist | edit) [2,576 bytes] Cliff (talk | contribs) (Created page with "'''Code 25''' is a diagnostic trouble code related to the Manifold air temperature sensor circuit on the Pontiac Fiero. Code 25 indicates that the ECM is seeing a manifold air temperature sensor signal that represents an unusually high air temperature reading. == Overview == The manifold air temperature sensor, often abbreviated as MAT sensor, tells the ECM the temperature of the incoming air. The ECM uses this information for...")
• 18:5818:58, 6 July 2026 Code 24 (hist | edit) [7,262 bytes] Cliff (talk | contribs) (Created page with "'''Code 24''' is a diagnostic trouble code related to the Vehicle speed sensor circuit on the Pontiac Fiero. Code 24 indicates that the ECM is not receiving the expected vehicle speed signal. == Overview == The vehicle speed sensor, often abbreviated as VSS, provides speed information used by the ECM and speedometer-related circuits. The ECM uses vehicle speed information for functions such as idle control, deceleration behavi...")
• 18:5818:58, 6 July 2026 Code 23 (hist | edit) [2,516 bytes] Cliff (talk | contribs) (Created page with "'''Code 23''' is a diagnostic trouble code related to the Manifold air temperature sensor circuit on the Pontiac Fiero. Code 23 indicates that the ECM is seeing a manifold air temperature sensor signal that represents an unusually low air temperature reading. == Overview == The manifold air temperature sensor, often abbreviated as MAT sensor, tells the ECM the temperature of the incoming air. The ECM uses this information for...")
• 18:5718:57, 6 July 2026 Code 22 (hist | edit) [2,760 bytes] Cliff (talk | contribs) (Created page with "'''Code 22''' is a diagnostic trouble code related to the Throttle position sensor circuit on the Pontiac Fiero. Code 22 indicates that the ECM is seeing a throttle position sensor signal voltage that is lower than expected. == Overview == The throttle position sensor, often abbreviated as TPS, tells the ECM how far the throttle is opened. The ECM uses the TPS signal for fuel control, acceleration enrichment, idle control, dec...")
• 18:5718:57, 6 July 2026 Code 21 (hist | edit) [2,780 bytes] Cliff (talk | contribs) (Created page with "'''Code 21''' is a diagnostic trouble code related to the Throttle position sensor circuit on the Pontiac Fiero. Code 21 indicates that the ECM is seeing a throttle position sensor signal voltage that is higher than expected. == Overview == The throttle position sensor, often abbreviated as TPS, tells the ECM how far the throttle is opened. The ECM uses the TPS signal for fuel control, acceleration enrichment, idle control, de...")
• 18:5618:56, 6 July 2026 Code 15 (hist | edit) [2,822 bytes] Cliff (talk | contribs) (Created page with "'''Code 15''' is a diagnostic trouble code related to the coolant temperature sensor circuit on the Pontiac Fiero. Code 15 indicates that the ECM is seeing a coolant temperature sensor signal that represents an unusually low coolant temperature. == Overview == The coolant temperature sensor is a thermistor. Its resistance changes with temperature. As coolant temperature rises, sensor resistance decreases. Code 15 is set when the E...")
• 18:5618:56, 6 July 2026 Code 14 (hist | edit) [2,866 bytes] Cliff (talk | contribs) (Created page with "'''Code 14''' is a diagnostic trouble code related to the coolant temperature sensor circuit on the Pontiac Fiero. Code 14 indicates that the ECM is seeing a coolant temperature sensor signal that represents an unusually high coolant temperature. == Overview == The coolant temperature sensor is a thermistor. Its resistance changes with temperature. As coolant temperature rises, sensor resistance decreases. Code 14 is set when the...")
• 18:5218:52, 6 July 2026 Code 13 (hist | edit) [2,881 bytes] Cliff (talk | contribs) (Created page with "'''Code 13''' is a diagnostic trouble code related to the oxygen sensor circuit on the Pontiac Fiero. Code 13 indicates that the ECM has detected a problem with the oxygen sensor signal or circuit. == Overview == The oxygen sensor is used by the ECM to monitor exhaust oxygen content and adjust fuel mixture during closed-loop operation. A Code 13 does not automatically mean the oxygen sensor itself is bad. The code may also be caus...")
• 18:3718:37, 6 July 2026 Code 12 (hist | edit) [2,256 bytes] Cliff (talk | contribs) (Created page with "'''Code 12''' is the normal diagnostic-mode code displayed by the ECM when reading Diagnostic trouble codes on the Pontiac Fiero. Code 12 does not normally indicate a fault. It indicates that the ECM is in diagnostic mode and that the check engine light is able to flash codes. == Overview == When the ECM is placed into diagnostic mode through the ALDL connector, the check engine light should flash Code 12 before any stored trouble codes are displayed....")
• 18:2018:20, 6 July 2026 Factory radio (hist | edit) [3,364 bytes] Cliff (talk | contribs) (Created page with "'''Factory radio''' is an overview of original radio and audio equipment used in the Pontiac Fiero. Factory radio equipment varied by model year, trim level, and option package. Some Fieros were also equipped with the upgraded Performance Sound system. == Overview == The Fiero was available with several factory audio configurations during its production run. These may include basic radios, cassette radios, equalizer-equipped radios, upgraded speaker systems, a...")
• 18:2018:20, 6 July 2026 Service parts identification label (hist | edit) [8,211 bytes] Cliff (talk | contribs) (Created page with "'''Service parts identification label''' refers to the factory label that lists the RPO codes assigned to a specific Pontiac Fiero. The label is used to identify factory-installed options, paint and trim information, drivetrain equipment, and other build information. == Overview == The service parts identification label is one of the most useful factory references on a Fiero. It can help determine how the car was originally equipped from the factory. The labe...")
• 18:1918:19, 6 July 2026 Factory options (hist | edit) [3,238 bytes] Cliff (talk | contribs) (Created page with "'''Factory options''' is an overview of factory-installed equipment, packages, and optional features available on the Pontiac Fiero. Factory options are often identified by RPO codes listed on the service parts identification label. == Overview == The Pontiac Fiero was available with different factory options depending on model year, trim level, engine, transmission, body style, and market. Factory options may include audio systems, wheels, glass, trim, comfo...")
• 18:1818:18, 6 July 2026 Performance Sound (hist | edit) [3,392 bytes] Cliff (talk | contribs) (Created page with "'''Performance Sound''' is the factory upgraded audio system option available on some Pontiac Fiero models. The system is commonly known by Fiero owners as the factory subwoofer option. It added a small subwoofer system to the Fiero interior, along with related controls and audio components. == Overview == Performance Sound was Pontiac's upgraded factory audio option for the Fiero. It included a small subwoofer enclosure mounted under the passenger side of the das...")
• 18:1718:17, 6 July 2026 Headlight motor parts (hist | edit) [3,720 bytes] Cliff (talk | contribs) (Created page with "'''Headlight motor parts''' is an overview of parts used to repair, rebuild, replace, or service the pop-up headlight motors on the Pontiac Fiero. The Fiero used two different headlight motor systems. Parts differ between the 1984-1986 Gen 1 headlight system and the 1987-1988 Gen 2 headlight system. == Overview == Headlight motor parts may include gears, bushings, internal contacts, relays, wiring connectors, control modules, linkages, mounting hardware, a...")
• 18:1518:15, 6 July 2026 Headlight motor repair (hist | edit) [4,821 bytes] Cliff (talk | contribs) (Created page with "'''Headlight motor repair''' is an overview of repair and rebuilding work for the pop-up headlight motors used on the Pontiac Fiero. The Fiero used two different factory headlight motor systems. The 1984-1986 cars use Gen 1 headlight motors, while the 1987-1988 cars use Gen 2 headlight motors. Repair procedures and parts differ between the two generations. == Overview == Headlight motor repair may involve replacing worn gears, replacing bushings, cleaning...")
• 18:1418:14, 6 July 2026 Gen 1 headlight motors (hist | edit) [4,425 bytes] Cliff (talk | contribs) (Created page with "'''Gen 1 headlight motors''' are the first-generation pop-up headlight motors used in the Gen 1 headlight system on 1984, 1985, and 1986 Pontiac Fiero models. The Gen 1 motors are different from the later Gen 2 headlight motors used on 1987 and 1988 Fieros. == Overview == The Gen 1 headlight motors raise and lower the Fiero's pop-up headlight doors. They are part of a relay-based headlight system used before the 1987-1988 headlight control module system....")
• 18:1318:13, 6 July 2026 Gen 2 headlight motors (hist | edit) [4,078 bytes] Cliff (talk | contribs) (Created page with "'''Gen 2 headlight motors''' are the second-generation pop-up headlight motors used in the Gen 2 headlight system on 1987 and 1988 Pontiac Fiero models. The Gen 2 motors are different from the earlier Gen 1 headlight motors used on 1984-1986 Fieros. == Overview == The Gen 2 headlight motors raise and lower the Fiero's pop-up headlight doors. They are controlled by the Headlight control module, which is used only on the 1987-1988 headlight system. Gen...")
• 18:0918:09, 6 July 2026 Headlight control module (hist | edit) [4,189 bytes] Cliff (talk | contribs) (Created page with "'''Headlight control module''' refers to the electronic control module used in the Gen 2 headlight system on 1987 and 1988 Pontiac Fiero models. The module controls operation of the pop-up headlight motors and replaces the relay-based control method used on the earlier Gen 1 headlight system. == Overview == The headlight control module is part of the 1987-1988 Fiero headlight system. It controls power and direction for the Gen 2 headlight motors based...")
• 18:0818:08, 6 July 2026 Gen 1 headlight system (hist | edit) [4,790 bytes] Cliff (talk | contribs) (Created page with "'''Gen 1 headlight system''' is the first-generation pop-up headlight system used on the Pontiac Fiero. The Gen 1 system was used on 1984, 1985, and 1986 Fieros. It uses early-style headlight motors and a relay-based control system. == Overview == All Fieros use retractable headlight doors, but the 1984-1986 cars use a different system from the later 1987-1988 cars. The Gen 1 system uses separate relays and early-style motors. This differs from the Gen 2 headli...")
• 18:0818:08, 6 July 2026 Gen 2 headlight system (hist | edit) [4,748 bytes] Cliff (talk | contribs) (Created page with "'''Gen 2 headlight system''' is the second-generation pop-up headlight system used on the Pontiac Fiero. The Gen 2 system was used on 1987 and 1988 Fieros. It replaced the earlier 1984-1986 first-generation system and uses a different control method, different motors, and a headlight control module. == Overview == All Fieros use retractable headlight doors, but the 1987-1988 cars use a later headlight system that differs significantly from the 1984-1986 system. T...")
• 18:0318:03, 6 July 2026 Air in cooling system (hist | edit) [4,273 bytes] Cliff (talk | contribs) (Created page with "'''Air in cooling system''' describes trapped air in the Pontiac Fiero cooling system. Because the Fiero has a mid-mounted engine, a front-mounted radiator, and long coolant pipes running underneath the car, trapped air can cause cooling problems if the system is not filled and bled correctly. == Overview == Air in the cooling system can prevent coolant from circulating properly. It can also cause unstable temperature readings, coolant overflow, poor heater perfor...")
• 18:0218:02, 6 July 2026 Burping the cooling system (hist | edit) [4,183 bytes] Cliff (talk | contribs) (Created page with "'''Burping the cooling system''' is the process of removing trapped air from the Pontiac Fiero cooling system after filling, service, or coolant loss. Because the Fiero has a mid-mounted engine, a front-mounted radiator, and long coolant pipes running underneath the car, trapped air can cause overheating, unstable temperature readings, coolant overflow, or poor coolant circulation. == Overview == Burping is often needed after coolant replacement, hose replacement,...")
• 17:5817:58, 6 July 2026 Coolant filling procedure (hist | edit) [9,369 bytes] Cliff (talk | contribs) (Created page with "'''Coolant filling procedure''' is the procedure used to refill and bleed the Pontiac Fiero cooling system. Because the Fiero has a mid-mounted engine, a front-mounted radiator, and long coolant pipes running underneath the car, the cooling system must be filled carefully to avoid trapped air. == Overview == The Fiero cooling system is different from many front-engine cars. The radiator is at the front of the car, while the engine and thermostat housing are at the...")
• 17:5617:56, 6 July 2026 Fieropedia:Editing guidelines (hist | edit) [5,921 bytes] Cliff (talk | contribs) (Created page with "'''Fieropedia editing guidelines''' describe how articles should be written, organized, and improved. Fieropedia is intended to be a structured knowledge base for the Pontiac Fiero. It is not a replacement for Pennock's Fiero Forum, and it is not intended to duplicate forum-style discussion. == Purpose == Fieropedia articles should collect, organize, preserve, and improve useful Fiero knowledge. Good Fieropedia articles should be: * Clear * Factual * Organiz...")
• 11:1311:13, 6 July 2026 External Fiero resources (hist | edit) [2,710 bytes] Cliff (talk | contribs) (Created page with "'''External Fiero resources''' is an index of Pontiac Fiero websites, archives, clubs, technical references, parts sources, and other resources outside Fieropedia. This page is intended to help owners and enthusiasts find useful Fiero-related information while keeping Fieropedia articles organized and focused. == Overview == Many useful Fiero resources exist outside Fieropedia, including forums, technical archives, club websites, vendor pages, personal project pag...")