Question about 1985 Pontiac Fiero

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I have a 1985 Pontiac Fiero Gt when it runs for a while the engine will die when you stop. Is it a transmission vacuum line?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 1984 Pontiac Fiero

possibly O2 sensor, sensor tells car fuel/air mixture. check oil, make sure not leaking

Posted on Feb 06, 2009

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emissionwiz
  • 76846 Answers

SOURCE: Engine turns off when coming to a stop

I have used this procedure for years.
Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Feb 10, 2009

  • 1 Answer

SOURCE: tail lights fora 1986 Fiero

rear of the car is totally different, if you want to do the gt conversion you will need to exchange the whole rear clip.
gt light are wider,cant use just the lens or cover.check for parts at vegas fiero club

Posted on Feb 19, 2009

  • 21 Answers

SOURCE: need a wiring diagram for distributor for a 1988 pontiac fiero gt with a 2.8 v6

There are two plugs which are plugged into the distributor one is a two wire  and one is a four wire. the two wire has a pink wire on terminal A and a white wire on terminal B these two wires go to the remote coil  black plug The four wire has a black wire with a red trace on terminal A A tan with black trace on terminal B A purple with white trace on terminal C A white wire on terminal D

Posted on Apr 23, 2009

lastech
  • 408 Answers

SOURCE: Mercedes Benz 1985 190D

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hello,hoping this diagram help your problem,
if you try to download this, use picasa photo viewer to open the file...it can give you a high quality zoomed image...inform me if you received,ty

Posted on Apr 26, 2009

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3 Answers

I have a 1985 fiero se v6 that was running fine but cutting off after warm up


Do you know what you are loosing when the engine stops running ?

Jan 16, 2014 | 1985 Pontiac Fiero

1 Answer

1987 pontiac fiero won't shift out of first gear automatic transmission. engine was just put back together from pieces. vacuume lines are hanging out don't know where to connect.


heres a vaccum diagram and alao make sure the passing gear cable is connect and adjusted if this car has one which i think it does, also check electrical connections are hooked up,heres two diagrams i labeled them, one is for the 2.5 engine and the other for 2.8 engine connect the vaccum line and retry it, hope this helps.d09847a.gifc3e18c5.gif

Apr 28, 2010 | 1987 Pontiac Fiero

1 Answer

My 85 fiero gt smokes after reving the engine. What is it?


It is either oil,or rich fuel burn,and if it is white smoke,it could be coolant.

Feb 23, 2010 | 1985 Pontiac Fiero

1 Answer

87 Fiero 4 cylinder. Starts and idles fine but no ability to accelerate, no power. Have drained old fuel and replaced with fresh. New fuel filter, new air filter, new plugs am going to change out the...


Possibilities:Timing is retarded,TPS (throttle position sensor) is malfunctioning.Make sure there isnt a vacuum leak(check vacuum lines and intake for whistling or air sucking)

Nov 18, 2009 | 1985 Pontiac Fiero

1 Answer

Need to locate the ignition control module in my 1985 fiero gt


Take off the distributor cap, it is held on by two screws and has three plugs, 1 to the pick up coil, one to the computer, and one to the ignition coil.

Mar 19, 2009 | 1985 Pontiac Fiero

1 Answer

Tail lights fora 1986 Fiero


rear of the car is totally different, if you want to do the gt conversion you will need to exchange the whole rear clip.
gt light are wider,cant use just the lens or cover.check for parts at vegas fiero club

Jan 27, 2009 | 1986 Pontiac Fiero

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