Question about 1984 Pontiac Fiero

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1984 fiero what happens is that i drive the car anywhere from 1 mile to 5 miles, it runs great for a lil while then when i have to slow down for something the car dies. it starts back up right away but every time i let off the gas afterward the car dies and the car doesn't have any acceleration almost like the theres a plug in the fuel line. I fixed the O2 sensor and replaced the spark plugs and wires. now theres a hell of a knock in the engine. the car has 93000 miles and get pretty good gas milage

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  • misscherry_g Feb 08, 2009

    well found out the problem i have 4 giant wholes in my heads. going to replace that and see if thats better

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  • 6 Answers

Sounds like u got a timming issue or a wire on the wrong plug geta book and check your firing order

Posted on Feb 07, 2009

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Do you know plug wire line up for a 1995 pontiac fiero 2.3


The Pontiac Fiero was made from 1984 to 1988
In the 84 thru 88 Fiero's they had the 2.5L In-Line 4-Cylinder or the 2.8L V6.
I have included both below

For the 2.5L In-Line 4-Cylinder:
Firing Order:
1 - 3 - 4 - 2
Cylinders:
.........(back)............
|...1....2....3....4...|
.........(front)
Distributor Connections:
..............2
...................(+)
....4
....................1
(+)
..........3

For the 2.8L V6:
Firing Order:
1 - 2 - 3 - 4 - 5 - 6
Cylinders
.......(back).........
|...1.....3.....5...|
|......................|
|...2.....4.....6...|
........(front)
Distributor:
............2
......1.........3
(+)...............(+)
......6.........4
............5

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

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I have used this procedure for years.
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