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Join Date: Sep 2017
Posts: 2
Camshaft problems?

I had my 2002 Boxster 2.7 base die while idling at a red light. After several tries, it started and ran rough. I limped it home. Read codes of 300,301,302,303,343. Cleared them and restarted and still shows 343 camshaft position sensor bank 1 exceeds value. Still runs rough. Durametric has cam deviation for both banks as 0. Actual value for camshaft bank 1 is 0. Actual value for bank 2 is -12.92. Can anyone tell me what these numbers mean? Could this just be a bad cam position sensor or is there something else I can check?
Old 01-27-2018, 11:34 AM
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Registered User
Join Date: Jan 2018
Posts: 7
According to Wayne’s book, problems with the IMS bearing could show up as differences between the 2 camshafts deviation. It may be associated with unusual engine noise on starting the car. He advises removing the oil filter to check for debris.
Old 01-27-2018, 09:10 PM
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