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2001 S40, No Idle, OBDII P0102 P0107 S40-V40 2001

posted by  Greaseball on  Wed Apr 22 06:49 CST 2009
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last visit: Tue May 19 03:28 CST 2009
[RELATED]

Last drive cycle it was idling fine. At next start up, no idle. It is possible to keep the engine running at partial throttle - anything except closed throttle. Other symptoms potentially related are (for a few months now) an intermittent sticky gas pedal and long crank times or erratic start-up.

OBDII DTC were P0102 and P0107 which are MAF low input and MAP low input. Somewhat certain at this point in time that these codes may just be effect, not cause.

I have already checked the 10 amp minifuse in the engine compartment fuse box. It is not blown. I understand a chafed harness can cause that 'engine sensor' fuse to blow with obvious results. But its OK.

Im wondering if throttle plate/throttle body could be 'gunked up'? (could also be causing the sticky throttle) Anyone seen this before?

Any other ideas? How about faulty IAC motors, MAF sensors?






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