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Anonymous Posted on Oct 30, 2013

My 1988 Fiero GT starts slower than it used to and will not go into fast idle. What could cause this problem.

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85 Fiero SE

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  • Contributor 24 Answers
  • Posted on Feb 26, 2016
85 Fiero SE
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Cold start fuel injector may not be working.

Robert Wood

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  • Pontiac Master 6,139 Answers
  • Posted on Feb 26, 2016
Robert Wood
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Check throttle body for carbon buildup and the Idle Air Control may be stuck or restricted. Is this the 2.8 V6 engine ?

  • Robert Wood
    Robert Wood Feb 26, 2016

    As 85FieroSE said check the power to the cold start injector. There is a fusible link for the cold start injector that may have opened up.

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5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Feb 19, 2009

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

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Anonymous

  • 2 Answers
  • Posted on Feb 21, 2009

SOURCE: 1988 Pont Fiero won't start

are you friggin kidding me, nobody has replide to such a friggin stupid *** question.... that is so basic please call me and i will fix it over the phone......562-503-5134 isaac

Anonymous

  • 21 Answers
  • Posted on Apr 23, 2009

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

Anonymous

  • 607 Answers
  • Posted on May 01, 2009

SOURCE: fiero idles but stumbles on acceleration

Replace that cap and rotor, most likely your problem will disappear. Hope this helps

Anonymous

  • 1 Answer
  • Posted on Feb 22, 2010

SOURCE: 1988 fiero gt, I have a shifting problem, It

i would check the throwout bearing, if this is the problem try starting in first go for a while than try up shifting to second. after a while your transaxle should warm up making an easier gear transition. ( this only partains to bad throwout bearing )

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1988 Suburban with 5.7 TBI runs fine until warms up. Goes to fast idle and when it comes off fast idles won't start back until cools down.

Lets start at the beginning. Is the check engine light on ?
You have an idle air control valve which could be sticking open or shorted to ground. You should be able to unplug it to test. There also could be a gasket or hose that is opening up and causing a huge vac leak.
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Small puff of smoke on startup - intermittent

I have seen this on old cars, my suspicion is that the seals on the valves are a bit worn. This allows some oil to get through during start up. Since it quits smoking, I would not be overly concerned. However, since it burns a quart every 1-2K miles, I am curious what the compression is. My Fiero does the same thing (occasional puff of smoke on start up) but does not need oil between 3,000 mile chages. It is a 2.5 liter. Here is nice tip: check compression on all cylinders, then recheck it adding a teaspoon of 2 cycle oil to the cylinders (one cylinder at a time). Some have said to use conventional oil for this, due to higher viscosity, but I always thought it might foul the spark plugs. If the compression goes up, it is ring wear, if not it is leaking through the valves.
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1988 fiero gt, I have a shifting problem, It shifts into gear when not running but when i start it up it only shifts into gear when i pump the clutch really fast. I added a new master cylinder and slave...

i would check the throwout bearing, if this is the problem try starting in first go for a while than try up shifting to second. after a while your transaxle should warm up making an easier gear transition. ( this only partains to bad throwout bearing )
0helpful
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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
0helpful
1answer

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
1helpful
2answers

1988 Pont Fiero won't start

are you friggin kidding me, nobody has replide to such a friggin stupid *** question.... that is so basic please call me and i will fix it over the phone......562-503-5134 isaac
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