At the end of my rope, car wont run right, please help. - Saab 900 Bulletin Board - Saabnet.com
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At the end of my rope, car wont run right, please help.
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Posted by MikeD 900 [Email] (more from MikeD 900) on Mon, 11 Jul 2005 12:02:09 Share Post by Email
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Ok, my 93 900s n/a has been out of commision for over two weeks now. The initial problem was similar to a limp home mode. This occured after i replaced the cap, rotor, plugs, and wires. The engine would idle pretty ok, but under any gas, it would hesitate, not go over 3k rpm, and seem to stall when it did hit 3k, only to kick back in.

So in the course of thje last two weeks, i have replaced the coil, fuel pump, fuel filter, fuel pressure regulator, ecu, and finally new sparkplugs. after the new sparkplugs, it would start, but would act as before.

removing the AMM sensor makes the car run worse. Removing teh knock sensor improves idle, but still no effect on reving.
i pulled the following codes this morning:
12231 - no rpm, - understandabkle, car was off
12251 - throttle potentiometer - i had removed tehsensor to see if it would help, didnt,
12222 - aic, also had removed this sensor to see if it would help
22512 - possible knock sensor, agian from removing, but when this code was in the middle of running, there was a whir from the engine bay, and almost a click sound
12221 - AMM - also removed sensor to check
12243 - ?
12111 - incoreect air/fuel mixture while driving, also points to an OS
12241 - injector from what i can gather on here.

now, if you've read this far, thank you , and hopefully you can help. I have searched this board from top to bottom, but havent found the probblem yet.

please help.


posted by 216.65.17...

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