20 Most Recent 1991 Chevrolet Camaro Questions & Answers

The ignition module is not getting power or ground one . The module can be good and if not getting power or ground can not work correctly .

1991 Chevrolet... | Answered on Mar 06, 2018

the lid cover of the box has them labeled,if not..the owners manual does

1991 Chevrolet... | Answered on Dec 28, 2017

i would see if coil is crack even a hair line crack can cause hesitating under load if you cant see a crack wait till dark and look at it

1991 Chevrolet... | Answered on Dec 18, 2017

The ecm fuse also powers the pass-key module on the key barrel.
See diagrams below. I recommend you probe the starter enable relay socket to see if it is getting the ground signal from the pass-key decoder whole someone tries to start the car.



1991 Chevrolet... | Answered on Aug 27, 2017

I had the same problem with the tach on my 92 Camaro. Tried the resistor fix but it didnt work. Finally found a tach board at the junkyard that worked for about a year.
I found a new replacement tach board. Only had it for about a week but it seemed to fix the problem! Hurray!!
NEW 1990 92 Chevy Camaro V8 Tachometer Circuit Board


1991 Chevrolet... | Answered on Jul 11, 2017

what's wrong with my car? You looking for a magical fix ? There are none ! Testing using electric test equipment an check the fuel pressure an flow with the proper tools , also hooking up an obd1 scan tool an checking sensor data . Are you familiar with obd1 ? Electronic fuel injection an all the sensors involved ? mass air flow , crankshaft postion , Cam position , MAP sensor , engine coolant temp. sensors , Ignition control module . Any one of these being bad could be the cause . Are you willing to replace all of these till you fix it . Do yourself a favor an take your vehicle to a qualified repair shop , because without testing all you'll get here is guessing without testing .

1991 Chevrolet... | Answered on Apr 11, 2017

tune up-read your plugs and then check your timing. use timing light and double check with scan tool-most 91 305's were high outputs which
requires higher octane than regular (fuel grade revelatnt to compression ratio and altitude) you may want to check fuel pressure could be a clogged filter or bad pump.

1991 Chevrolet... | Answered on Sep 13, 2016

Make sure it has not been rewired

1991 Chevrolet... | Answered on Sep 01, 2016

I'm willing to bet you have bad fuel injectors. Back in 91 they had a problem with on injector shorting out causing the rest to short out. I have a 91 that had the same problem, and my injectors were junk.

1991 Chevrolet... | Answered on Jul 06, 2016

whatever you did to them when you switched the motor because you didnt need to touch those

1991 Chevrolet... | Answered on May 04, 2015

I would get the alternator checked to make sure it has good voltage. It might be too weak to recharge the battery while running. The other issue could be a bad voltage regulator.

1991 Chevrolet... | Answered on Apr 28, 2015

Check your fuses

1991 Chevrolet... | Answered on Apr 01, 2015

I had an 86 that used to do that all the time and I replaced the starter and then it worked fine

1991 Chevrolet... | Answered on Apr 01, 2015

Possible neutral safety switch failed if its an automatic, or inhibitor switch if standard trans. Does it have an alarm ? Did you get the ign switch in properly, if its the style that mounts down low on the column,loosen the screws and slide it back toward steering wheel and recheck for start

1991 Chevrolet... | Answered on Mar 22, 2015

ignition switch shouldn't be the cause of your overheating problems

you verify the radiator fan motor is working by jumping the 2 terminals to the battery?

1991 Chevrolet... | Answered on Mar 16, 2015

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