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Change engine computer? 1998 Volvo S70 S70 1998

posted by  KlausC on  Sat May 30 05:52 CST 2009
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

There are 3 computers in the engine bay, ECU, TCU, and FI. They all work together and you car not shifting out of first should not have anything to do with the throttle position sensor. Perhaps your mechanic left a wire unplugged?

The transmission control unit determines what gear the tranny is in, and stuck in first is a real problem. There are more codes than just a TPS error.

Klaus
--
Common sense trumps a PhD






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