97 2.2 runs rough w/codes - Maintenance and Repair Forum

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97 2.2 runs rough w/codes
Sunday, May 02, 2010 3:58 PM
Oxygen sensor not ready
Catalyst not ready

p0108 MAP sensor high output
p0507 IAC RPM higher than expected

cars a 97 sunfire 2.2L 3spd auto. recent plugs, wires, fuel filter and air filter. slow accel, runs rough and dies at stoplights.

any insight is helpful




Re: 97 2.2 runs rough w/codes
Monday, May 03, 2010 8:00 PM
i would check the Map Sensor rubber hose going to it, See if there is kinks torn sections in the rubber hose also wiring harness for cuts and breaks. If its ok, Then try replace the
Mao sensor. For IAC sensor I will try using some throttle body cleaner see there is any carbon build up. If the code still pops up check wiring harness for cuts and breaks. Then I would replace the sensor IAC.

Good Luck.
Re: 97 2.2 runs rough w/codes
Friday, May 07, 2010 6:45 PM
Cleaned out the IAC real good and reinstalled it. I have a spare MAP sensor from a pull a part that Im going to install next time I get a chance at work, then I'll clear the codes and try it again.
I am wondering if its a timing issue causing me problems?



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