2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

P0340 Camshaft Position Sensor "A" Circuit

Old Mar 7, 2009 | 01:12 AM
  #1  
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302me
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Default P0340 Camshaft Position Sensor "A" Circuit

I have no idea what this means, but it's the code that come up on my SCTx3 last night. The car seems to be running ok. I have about a 35 mile commute from work to home and didn't notice anything odd in the performance. How worried should I be? I cleared the code w/ the tuner. On a side note the dome lights wouldn't turn off either, I had to unplug the wire. I don't think this has any thing to do with the DTC code, but thought I would throw it out there anyway.
Old Mar 7, 2009 | 06:42 AM
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on my 05 gt it was a bad alternator . Most ppl had same code with same result and solution . Replace alternator
Old Mar 7, 2009 | 12:39 PM
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Great. I didn't really want to have to spend the money, but it's better than the car dying on me. Thanks.
Old Mar 7, 2009 | 01:41 PM
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Originally Posted by 302me
Great. I didn't really want to have to spend the money, but it's better than the car dying on me. Thanks.
Or stop clutching straws and diagnose it the Ford Way.

Its cheaper that buying stuff and hoping thats it fixes the problem.
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