My 1987 pontiac fiero GT stalls out when it gets very hot outside.

Fritz87
0

Asked by Fritz87 Jul 29, 2014 at 05:10 PM about the 1987 Pontiac Fiero GT

Question type: Maintenance & Repair

The heat gauge is not reading hot,  it just stalls whenever its hot out,  just started this
summer. Already bought a air control valve, and O2 sensor.  No service lights are on or
anything.

8 Answers

tennisshoes
40,525

Has the ignition module and distributor pickup ever been changed? If not you might consider doing that.

Fritz87
0

Have already done that. Its fine when its not as hot outside, its very frustrating, stalls out at every stop sign.

tennisshoes
40,525

Have you had the codes checked? That might give you a starting place, hopefully there will be a code or codes in memory.

Fritz87
0

Yup, Nothing comes up. My mechanic son says possibly the cold start injector might be leaking.

tennisshoes
40,525

I don't remember any American cars having a cold start injector, a lot of Imports do. Will it start back up after it stalls?

Fritz87
0

yea it alwasy starts up, but u have to crank it longer after it sits for a bit, which is why i suspect a leaking injector, also because it kinda smells rich..and gets bad milage

tennisshoes
40,525

You should be getting a code for that, I had a simulacrum problem on a Ford OBD 1 no codes, stalling at stops, turned out to be a bad intake air temperature sensor, but I had to hook up the breakout box to find it, it would work just fine until, according to it's own reading was 202 degrees then it would drop to -35 degrees and stay there,the engine actual temp never got above 200. My your son has an aftermarket GM Breakout box it can make a long process shorter. Or you could just start replacing sensors, as you already have the O2 replace it first, then replace the intake air temp, the engine temp sensor, then the mass air flow, and TPS. Be sure to clear the ECM after each sensor.

Fritz87
0

yea theres no codes though, and it does have a cold start injector, on the side of the intake almost below the dizzy

Your Answer

Add photo

Related Questions

Fiero
Looking for a Used Fiero in your area?
CarGurus has 60 nationwide Fiero listings and the tools to find you a great deal.
ZIP:

Search Pontiac Fiero Questions

Pontiac Fiero Experts

#1 dandyoun
dandyoun
Reputation 180
#2 THORNY68
THORNY68
Reputation 160
#2 Andrew Welsh
Andrew Welsh
Reputation 160
View All

Related Models For Sale

Used Pontiac Firebird"
16 Great Deals out of 705 listings starting at $1,995
Used Chevrolet Corvette"
270 Great Deals out of 11,156 listings starting at $3,000
Used Ford Mustang"
665 Great Deals out of 31,679 listings starting at $1,950
Used Chevrolet Camaro"
535 Great Deals out of 31,804 listings starting at $977
Used Pontiac Grand Prix"
96 Great Deals out of 4,099 listings starting at $998
Used Toyota MR2"
22 listings
Used Nissan 300ZX"
125 listings starting at $2,500
Used Porsche 911"
130 Great Deals out of 4,092 listings starting at $11,950