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944 Ecology 944 Ecology is online now
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Join Date: Jul 2004
Location: Upstate New York
Posts: 3,272
Quote:
Originally Posted by hpaulb View Post
Trying to test speed sensors now. Measure ok with ohm meter but not with a scope.
The ECU needs to see the proper waveforms from both sensors in order to start. It doesn't car what the ohm meter says. Compare to the waveforms in the factory workshop manual.

If you have to replace one, better to have both on hand, since the likelihood of breaking one or both is very high.
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Good luck, George Beuselinck
Old 06-05-2024, 02:23 PM
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