97 Chevy Cavalier Z24 throwing codes like a mofo.... - Maintenance and Repair Forum

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97 Chevy Cavalier Z24 throwing codes like a mofo....
Thursday, August 02, 2012 10:31 AM
So, I have no check engine light (the PO took out the bulb...genius), but my While at work today I decided I was bored and I'd go run the code machine, for giggles. No giggles were had as Freya threw 4 codes at me:


    *PO113- Intake Air Temperature Sensor Circuit High Voltage
    *PO300- Misfire Detected
    *PO335- Crankshaft Position Circuit
    *PO507- Idle Air Control System High Revolution Per Minute

The PO113 could be cause of my intake...not a clue on the others/how to fix them...

I did just do the plugs/boots and an oil change. Still need to do the fuel filter...if that means anything




May the odds be ever in you favor.....


Re: 97 Chevy Cavalier Z24 throwing codes like a mofo....
Thursday, August 02, 2012 11:16 AM
Because it is an auto...I would think the IAT sensor is good unless the car is shifting "hard".

I would check the ground for the ICM. I would follow the ground down from the ICM to either the block or trans, and remove and re-install the ground to see if it fixes the problem. Also....The ICM itself can cause misfires, mess with the crank sensor, and mess with the IAC sensor.

When my ICM was bad it was @!#$ with my crank sensor something bad.




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: 97 Chevy Cavalier Z24 throwing codes like a mofo....
Friday, August 03, 2012 7:45 AM
so I cleared my codes before i went home last night and when i came in this morning i ran them again. NO CODES!! seems the things were repaired but never cleared...now to replace all the bulbs in my instrument panel!



May the odds be ever in you favor.....

Re: 97 Chevy Cavalier Z24 throwing codes like a mofo....
Friday, August 03, 2012 6:59 PM
The lights may just be taped over...
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