service engine son light on with p0340 as the code. on 1997 Saturn SL2

I have a Saturn SL2 1997 with the service engine soon light on. I had it checked and the error that was soon was a P0340. I replaced the crankshaft sensore monitor(P0341 which was suggested since my car doesn't have a cam shaft sensor option) as suggested as well as spark plugs,valve cover gasket,thermostat, ect. I reset it and it works for a few mins then the service engine soon light comes back on. I also was told drive it for 100miles or so and it would reset but that has not happened either. What other things should I look into?

by in Salt Lake City, UT on September 23, 2012
1 answer 2 comments
ANSWER by on September 24, 2012
This indicates that a problem was detected in the camshaft position sensor circuit. Since it says circuit, that means the problem could lie in any part of the circuit - the sensor itself, the wiring, or the PCM. Don't just replace the CPS (camshaft position sensor) and think that will definitely fix it.I hope this will help you.
COMMENT by on September 24, 2012
so since I have changed the crankshaft position sensor as well as spark plugs, and valve cover gasket what do you suggest me replacing or testing now?
COMMENT by on September 24, 2012
so since I have changed the crankshaft position sensor as well as spark plugs, and valve cover gasket what do you suggest me replacing or testing now?

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