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07/11/2020 9:10 pm
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04 buick lasabre. Starts up cold crank no issue. Has now cut off at red light 2x ans once while driving. Wont crank back up after till engine is sitting a while. This does not happen all the time. Any clue
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07/11/2020 10:28 pm
I had the same problem with no error codes on a similar GM model, but I replaced two parts at once when I fixed it, so I'm not sure which (if not both) deserve credit. I replaced my crankshaft position sensor and my ignition control module, the crank sensor is cheaper to replace but much harder of a job than the ICM. I believe the crank sensor and its electrical connection may be able to be cleaned without removal if the problem is just too much grease on the sensor.
@diyguy
Thank you I will try those