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Re: Check Engine light on '90 200 Q

ozitzmann@atmi.com writes:
> My Check Engine light comes on above 3000 RPM, but only on very light load
> (slight acceleration or constant speed).  It's never on at more than 1/2
> throttle.  I have the 2144 fault code (knock sensor #2), but I don't want to
> spend $130 if the problem is in the wiring or elsewhere.  Is there a way to test
> the knock sensor?  BTW, I have checked the archives and not found an answer.

Try loosening the sensor and then retorquing it to the correct spec.
An inproperly torqued sensor could cause the problem you describe.

-Ti
96 A4 2.8 quattro
84 5000S 2.1 turbo
80 4000 2.0
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