Engine - Revision history

Cliff at 22:56, 7 July 2026

2026-07-07T22:56:59Z

← Older revision		Revision as of 22:56, 7 July 2026
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	== Factory engines ==		== Factory engines ==

	* [[2.5L Iron Duke]]		* [[Iron Duke\|2.5L Iron Duke]]
	* [[2.8L V6]]		* [[2.8L V6]]

	== 2.5L four-cylinder ==		== 2.5L four-cylinder ==

	The 2.5L four-cylinder engine, commonly known as the [[~~2.5L Iron Duke\|~~Iron Duke]], was available throughout Fiero production.		The 2.5L four-cylinder engine, commonly known as the [[Iron Duke]], was available throughout Fiero production.

	It was used as the base engine and was originally chosen for economy, reliability, and commuter-car use.		It was used as the base engine and was originally chosen for economy, reliability, and commuter-car use.
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	Related topics:		Related topics:

	* [[~~2.5L~~ Iron Duke]]		* [[Iron Duke]]
	* [[Duke engine]]
	* [[Throttle body injection]]		* [[Throttle body injection]]
	* [[Ignition timing]]		* [[Ignition timing]]

Cliff: /* 2.8L V6 */

2026-07-06T10:15:09Z

2.8L V6

← Older revision		Revision as of 10:15, 6 July 2026
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	The 2.8L V6 was introduced for the 1985 model year and was used in performance-oriented Fiero models including the GT, SE, and Formula.		The 2.8L V6 was introduced for the 1985 model year and was used in performance-oriented Fiero models including the GT, SE, and Formula.

			The Fiero 2.8L V6 was part of GM's 60-degree V6 engine family rather than a Fiero-only engine. It was adapted for the Fiero's transverse mid-engine layout and used multi-port fuel injection.

	Related topics:		Related topics:

	* [[2.8L V6]]		* [[2.8L V6]]
			* [[GM 60-degree V6]]
	* [[V6 introduction]]		* [[V6 introduction]]
	* [[V6 ignition system]]		* [[V6 ignition system]]

Cliff: Created page with "'''Engine''' is an overview of the engines used in the Pontiac Fiero. The Fiero was available with a 2.5L four-cylinder engine and a 2.8L V6 engine during its production run from 1984 through 1988. == Factory engines == * 2.5L Iron Duke * 2.8L V6 == 2.5L four-cylinder == The 2.5L four-cylinder engine, commonly known as the Iron Duke, was available throughout Fiero production. It was used as the base engine and was originally chosen fo..."

2026-07-06T10:13:11Z

Created page with "'''Engine''' is an overview of the engines used in the Pontiac Fiero. The Fiero was available with a 2.5L four-cylinder engine and a 2.8L V6 engine during its production run from 1984 through 1988. == Factory engines == * 2.5L Iron Duke * 2.8L V6 == 2.5L four-cylinder == The 2.5L four-cylinder engine, commonly known as the Iron Duke, was available throughout Fiero production. It was used as the base engine and was originally chosen fo..."

New page

'''Engine''' is an overview of the engines used in the [[Pontiac Fiero]].

The Fiero was available with a 2.5L four-cylinder engine and a 2.8L V6 engine during its production run from 1984 through 1988.

== Factory engines ==

* [[2.5L Iron Duke]]
* [[2.8L V6]]

== 2.5L four-cylinder ==

The 2.5L four-cylinder engine, commonly known as the [[2.5L Iron Duke|Iron Duke]], was available throughout Fiero production.

It was used as the base engine and was originally chosen for economy, reliability, and commuter-car use.

Related topics:

* [[2.5L Iron Duke]]
* [[Duke engine]]
* [[Throttle body injection]]
* [[Ignition timing]]
* [[DIS ignition]]
* [[Oil change]]
* [[Spark plug replacement]]

== 2.8L V6 ==

The 2.8L V6 was introduced for the 1985 model year and was used in performance-oriented Fiero models including the GT, SE, and Formula.

Related topics:

* [[2.8L V6]]
* [[V6 introduction]]
* [[V6 ignition system]]
* [[V6 intake manifold]]
* [[V6 exhaust manifolds]]
* [[Fuel pressure specifications]]
* [[Ignition module failure]]

== Common engine topics ==

* [[No-start diagnosis]]
* [[Ignition module failure]]
* [[Vacuum leaks]]
* [[Idle problems]]
* [[Fuel pump problems]]
* [[Oil leaks]]
* [[Overheating]]
* [[Engine swaps]]

== Engine swaps ==

The Fiero is often used as a platform for engine swaps because of its mid-engine layout, removable cradle, and enthusiast support.

Related topics:

* [[Engine swaps]]
* [[3800 swap]]
* [[4.9 Cadillac swap]]
* [[Northstar swap]]
* [[LS4 swap]]
* [[Ecotec swap]]

== See also ==

* [[Technical specifications]]
* [[Service procedures]]
* [[Common problems]]
* [[Parts interchange]]

[[Category:Fieropedia]]
[[Category:Engine]]