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crank position / RPM sensor 900

posted by  Jim Holst on  Sun Dec 7 05:10 CST 2003
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last visit: Tue Jan 4 11:05 CST 2011
[RELATED]

As the other fellow said, there are other things that could cause stalling. My '93 940 NA which I bought last April had a no start condition for a couple of days. I went through cleaning connectors and grounds and the car started. I still don't know if I fixed anything. Then several months later I went for a drive, parked the car, and 45 minutes later it failed to start. I disconnected and reconnected the crank position sensor and reach down and wriggled the cable at the sensor. Then the car started.

I bought a new sensor and replaced the old one, a 10 minute easy job. When I got the old sensor out, I could see that it had the original equipment color stripe and the insulation at the sensor had split open. I put an ohmmeter on the sensor coil and wriggled the cable at the sensor. The coil showed an intermittant short circuit. I'm hoping that the sensor has been the source of my no-start. In any case, advice on this board has been to replace that sensor at my car's mileage as a preventative measure just like replacing the heater hoses and valve (which I've done).






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