Need help with code 41 problem. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-29-2004, 07:57 PM   #1
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Default Need help with code 41 problem.

Hello again everyone,
I had a code 41 come up, checked my alldata, it came up cam sensor or crank sensor. So i figured by both items being reasonably priced, Cam sensor $20.00 and a crank sensor $32.00 that i would replace them both. I replaced them both 2 weeks ago and hadnt had any further problems until 3 days ago. Now the car is doing the same thing. Would a faulty ECM throw this code also? I know that the 3 are all in the same circuit. While driving it will just quit, sometimes it will take 5-6 turns for the car to actually start. Checked codes again That damn code 41 again. What does everyone think? Bad crank sensor again? It was a Standard brand. The cam sensor was bought at auto zone and is a Wells.

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Ed Fitz
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Old 12-29-2004, 08:39 PM   #2
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Get a mechanic'* mirror (small mirror on the end of an extendable shaft). Pull the cam sensor out and shine a light on the mirror until you can see in the hole where the the cam sensor goes. Unbolt the connector to the ignition module. Put a wrench on the crank and turn and look and turn and look etc. until you see the interrupter magnet that is supposed to be in a hole in the cam gear. If it is not there, or is broken up, you have found your problem.

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Old 01-03-2005, 12:50 AM   #3
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Thanks anyway guys, i fixed it myself. There was some corosion under the Ignition module. Cleaned it and the mounting pad off and she runs great now.
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