Quote:
Originally Posted by old_master
P0335 is in fact a circuit problem with the CKP sensor, not necessarily the sensor itself. As jdl mentioned, check the circuits and repair the wiring problem. Keep in mind that whenever the crankshaft position sensor is disturbed in any way, including moving, removing or replacing the sensor or the timing cover, a crankshaft position sensor relearn MUST be performed with a capable scan tool. If the relearn is not performed, the ECM will use the data from the last relearn which will be incorrect data, guaranteed. The engine will run with the old data, but not properly. Ignition timing, misfire data and injector timing will all be affected by the incorrect data.
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i'll check on that......however the vehicle runs great up until everything reaches the proper operating temp....appx 6 or 7 miles. then it starts running rough then quits. once it cools down.....2 or 3 hours you go through the whole process again. 2 days before all this started the ignition module went bad, i replaced that and it ran fine till all this started to happen......i'm kinda wondering if the new ign module might be shorting out when it gets hot, since that was the last thing that was touched...........soon as i get a few minutes i'll let it get hot and start testing.
thanks
joe