SMOG TEST FAILURE DIAGNOSTIC CODE PO340

  • Tiny
  • flashheat
  • 1934 Ford Taurus

I have a 1997 Ford Taurus 3.0L SOHC. During my last smog test I failed with a PO340 trouble code. I was curious if it could mean anything else than a bad camshaft position sensor?

Monday, February 26th, 2007 AT 10:33 PM

1 Answer

  • Tiny
  • Service Writer
  • Expert
  • 9,255 posts

It sure could and probably does. Under the cam sensor is a syncronizer that is also probably bad. A window gets bent on the syncronizer that wipes out the sensor as well. You'll need a special tool to change that.

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Tuesday, February 27th, 2007 AT 5:33 AM

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