Question about 1998 Pontiac Sunfire
We have replaced the temperature sensors, and the "check engine" does not come on. It also runs a little rough. Any suggestions?
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Posted on Jan 02, 2017
check the coils my 98 had a crack coil that drove me nuts. If thats the problem make sure you replace both ignition coils
Posted on Jun 18, 2008
PLUG EVERYTHING BACK IN.....
REPLACE THE IAT (INTAKE AIR TEMP SENSOR) AND THE COOLANT SENSOR THEY BOTH WORK AS PART OF THE FUEL CONTROLL SYSTEM
LET ME KNOW HOW IT GOES
RATE MY SOLUTION
Posted on Dec 11, 2008
Here are a few things to check that aren't that exspencive to do. check you'r o2 scener and the map scencer.try tapping on the cadiletice convertor to see if can hear any rattling if there is any rattliling the cadiletice converter could be clogged and will need to be replaced.You can also have the emission control module tested to see if it working properly.
Posted on Feb 10, 2009
You will find this sensor where the fat hos comes from the radiator and conects to the engine block. It would be on the housing where the thermostat is located. If it is not there you should look for a sensor that has a wire connected to it anywhere on the engine block where a water inlet is located. I hope this helps. Don't forget to rate my answer, thanks.
Posted on Feb 13, 2009
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