1998 Ford Mustang Camshaft Position Sensor/OBD2 P0340

65,000 MILES • 6 CYL • 2WD • MANUAL
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POPENNELL
  • MEMBER
  • 1 POST
I pulled codes and got P0340 or Camshaft Position Sensor Circuit A Bank 1. Without thinking, I changed the CPS, but it didn't kill the MIL. I visually inspected the wiring harness, but I can't find any place that would suggest the wiring to be a problem. The car is running fine; no rough idles, hard starts, or loss of power. I'm beginning to worry that it could be a problem in the PCM, but I'm not sure.

I've recently replaced plugs and wires, but with OEM parts. I'm not sure where else to look; am I at a point where I need to take the thing to a dealer?

(I read somewhere that someone suggested changing transmission fluid and filter...which doesn't seem at all related...anyone run into a similar fix before?)
Mar 24, 2010 at 12:40 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check and test the crankshaft position sensor if okay test the wiring to and from the CMH if okay -could be very well be the PCM.
Mar 24, 2010 at 10:33 PM
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