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1993 945 Turbo Check Engine codes? 900 1993

posted by  unibagel on  Mon Apr 11 01:15 CST 2005
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last visit: Mon Mar 12 12:37 CST 2001
[RELATED]

The car has 209k miles. The check engine light came on. I opened the "A" cover of the OBD in the engine compartment. Put probe in #2 got 121 for a code. Which has to do with the AMM. This explains my bad gas milage (~20 mpg lately). I then put the probe in #6 and got 214. Which is an RPM sensor signal absent intermittently. Huh?
Where is the AMM? I unplugged the electrical connector at the intake manifold. It had little effect on the idle, there was a difference though. I unplugged the electrical connector on top of the air filter housing. The car stumbled and died. I figured that would happen. What does all this mean. Do I have to replace the AMM?

Chris
Buffalo, NY





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