> Sorry for cross-posting, not sure the best place to post this type of
> repair question. Sorry for such a long post, just want to give as much
> info as possible.
>
> I have an intermittant P0341 camshaft position sensor code on my 98
> Lumina w/ 3.1L engine and about 133,000 miles. I have questions about:
> Is camshaft position sensor and/or its wiring really the problem?
> Camshaft Position Sensor Replacement
> Potential harm in letting the problem go
>
> Is camshaft position sensor and/or its wiring really the problem?
> Wondering if the camshaft position sensor, since my repair manual
> indicates the ignition coil and other electrical problems could be
> causing the code. Here are my observations:
> As I said the problem is intermitant and I never have any problem
> starting the car (which its my understanding a bad camshaft position
> sensor can cause). I replaced the battery about 6 to 9 months ago. To
> my recollection I decided to replace the battery after it would not
> hold enough charge to crank the engine, and not because unsuccessful
> cranking drained the battery. The car does seem to run just a little
> rough, and there seems to be a (non-intermittant) weird buzzing coming
> from the drivers side engine compartment at WOT, which I can only
> attribute to the intake or exhaust manifold. The engine may not be
> running at full power at WOT on occasion which I think may be due to
> the non-synched fuel injection when the ECM overrides and ignores the
> cam pos sensor. Should I just replace the sensor? Is there anything
> else I should try first?
>
> Camshaft Position Sensor Replacement
> I have the factory service manual (first edition). It indicates
> removing the serpentine belt. From examining the location of the Cam
> Pos Sensor, it appears nearly impossible to access and that removing
> the belt won't make it any easier. Any tips on how to access and
> replace it?
>
> What happens if I let it go?
> I ask this because it may take me a few months to successfully diagnose
> the problem if its not the cam position sensor. I realize that I will
> suffer poor fuel economy when the engine is not running in true SFI,
> will there be any other negatives such as reduced engine or component
> life?
>
> Thank you in advance for any replies! I really appreciate it.