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1990 240 DL lean code 113 200

posted by  Turbo1002 on  Tue Oct 4 20:09 CST 2011
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last visit: Sat Dec 8 10:13 CST 2012
[RELATED]

Thank you Jorrell. I recently replaced the computer with The newer white 951 model when the fuel pump relay driver went on the pink 561. I unplugged the amm meter and the readings on the o2 sensor went from .004 to .9 volts. Unplugging the sensor made the car go max rich. The car was still stumbling very badly but it was diffent. On a side note the amm sensor in the car now is the original with well over 100k. Would you still suspect the amm? I also double checked for vacuum leaks and found none.






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