SL/R129: Camshaft position sensor problem
10-27-2018, 12:59 PM
#1
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1997 SL320
Camshaft position sensor problem
I have a 1997 SL320 and my check engine light stayed and it showed a code P 0341, (Camshaft position sensor A Bank 1). I replaced the camshaft position sensor and the camshaft adjuster magnet and reset the codes. The check engine light went out but after driving for a few miles the check engine light came back on and the only reported code was again P 0341,"camshaft position sensor" problem. What else could be the problem?
10-28-2018, 10:30 AM
#2
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On a recent thread here someone purchased a new crankshaft position sensor. It was defective. Possibly your camshaft sensor is defective. Also, the shop manual emphasizes having the correct clearance between the sensor and its target on the camshaft, and it mentions using shims of varying thickness. Another possibility is your engine management controller is defective. Finally, your timing chain may be stretched and causing the cam sensor signal to arrive too late with respect to the crankshaft signal.
I had a '96 C220 with a code for the cam sensor. The sensor checked good on an oscilloscope, though I also tried a different sensor. I concluded the engine controller must be the problem. Since the cam sensor had no effect on engine running and a new engine controller is very expensive, I decided to live with problem.
I had a '96 C220 with a code for the cam sensor. The sensor checked good on an oscilloscope, though I also tried a different sensor. I concluded the engine controller must be the problem. Since the cam sensor had no effect on engine running and a new engine controller is very expensive, I decided to live with problem.
