20 Most Recent 1997 Pontiac Sunfire Questions & Answers


Hi there:
The EGR is located on the front side of the engine. You will need to remove the air cleaner assembly the covers the front side of the engine. After this is removed, you will be able to see the EGR valve.
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1997 Pontiac... | Answered on Jul 17, 2019


No vacuum modulator on this transmission. Even if it did, a bad vacuum modulator only works during the 1-2 shift. It would not affect ability to drive from 0-mph

1997 Pontiac... | Answered on Apr 25, 2018


Check contacts in drivers seat belt before anything else.

1997 Pontiac... | Answered on Mar 31, 2018


Did you check the actual voltage reading to fuel injectors? I wondered about a voltage drop? Your fuel pump relay supplies voltage to both fuel pump and fuel injectors.
In the diagram, the gray wire is voltage and the other color is ground controlled by computer. Did you check fuel injectors, individually?I'd want to use a gage and check proper fuel pressure. Fuel--spark--compression--timing. There are other ways to get fuel in the engine besides fuel injectors, Just to see if engine will hit? There are safety issues, safety is your responsibility.
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1997 Pontiac... | Answered on Mar 27, 2018


No fuel pressure , test the fuel system with a fuel pressure gauge . Hook up a scanner an check engine sensor data parameters to the PCM . 048 Engine Hard to Start or No Start Scan Data for Starting Problems If you don't know this you mite want to take it to a qualified repair shop.

1997 Pontiac... | Answered on Mar 06, 2018


Change the fan relay or if are those car like for explorer that is using sensor you must replace the sensor as well

1997 Pontiac... | Answered on Dec 08, 2017


The ground checks out? Which ground did you test?

1997 Pontiac... | Answered on Oct 27, 2017


Most likely the shifter is defective.

1997 Pontiac... | Answered on Oct 21, 2017


It probably broke down inside. All you can do is take it apart and see.

1997 Pontiac... | Answered on Oct 10, 2017


Ignition switch . not wiring harness . I would try a different mechanic .

1997 Pontiac... | Answered on Sep 04, 2017


When was the last time you had the timing belt replaced. Just occasionally, worn timing belts can jump a tooth, resulting in retarded ignition and/or retarded valve timing.

1997 Pontiac... | Answered on Jul 18, 2017


Symptoms point to the cluster microprocessor. How was it proven? See diagram below.

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1997 Pontiac... | Answered on Jun 17, 2017


You can't do any testing, until you have a battery
that will take and hold a charge

Then you move on to testing the Alternator,then
Fuel Pressure & continue on with other testing

1997 Pontiac... | Answered on Apr 20, 2017


yes bad leads will be one of the faults
run the motor in the dark raise the bonnet look for sparkle trails
on the leads

coil pack could be faulty

compression test will tell if it is a leaky valve

back fire can be running lean or timing

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1997 Pontiac... | Answered on Mar 31, 2017


have the fault codes read as it is not a problem from the brake repair

1997 Pontiac... | Answered on Mar 27, 2017

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