CEL Codes...

Discussion in 'General Tech' started by 98svtcontour98, Jun 21, 2016.

  1. 98svtcontour98

    98svtcontour98 New Member

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    Was hoping for some thoughts on the codes I'm throwing right now.

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  2. g36 monkey

    g36 monkey Moderator Staff SN95 Supporter

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    Gas cap is loose, or you have a vac leak somewhere.

    O2 sensors could be bad.

    Clean your MAF. Clean your IAC. Clean your throttle body.

    Change your cam sensor.
     
  3. Thomas_W

    Thomas_W Well-Known Member

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    For the P0340 changing the cam sensor is the cheapest but may not fix the issue. It could be a faulty diode in your alternator or bad wiring
     
  4. 98svtcontour98

    98svtcontour98 New Member

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    Assuming a leak is happening....How concerning is this?
     
  5. g36 monkey

    g36 monkey Moderator Staff SN95 Supporter

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    Vac leak could cause a multitude of problems. It's a pretty easy thing to diagnose.

    Smoke a cigar. Exhale smoke into the hose from the brake booster. Watch for leaks. Fix leaks.
     
  6. 98svtcontour98

    98svtcontour98 New Member

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    ok

    replaced the IAC & PVC and cleaned the MAF today.

    Camshaft Sensor comes in Friday....though I'm not sure where it's located under the hood!!!???
     
  7. 98svtcontour98

    98svtcontour98 New Member

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    Also, should I replace the 02 Sensor or is it okay to just leave it as is?
     
  8. g36 monkey

    g36 monkey Moderator Staff SN95 Supporter

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    I would do a vac check first
     
  9. 98svtcontour98

    98svtcontour98 New Member

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    i don't know how to do that
     
  10. g36 monkey

    g36 monkey Moderator Staff SN95 Supporter

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    See my post from above neatly explaining how to do it.
     
  11. 98svtcontour98

    98svtcontour98 New Member

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    Awesome...however, I don't see any lines on the Brake Booster?
     
  12. Thomas_W

    Thomas_W Well-Known Member

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    It'd be helpful if you provides some additional info on your car. Year, engine, etc
     
  13. g36 monkey

    g36 monkey Moderator Staff SN95 Supporter

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    Find any vacuum line with fairly even distribution to the motor. You can try the PCV hookup. etc.
     
  14. 98svtcontour98

    98svtcontour98 New Member

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    1996 Cobra, stock motor, 64k miles, LTs, JLT RAI, o/r H-pipe, Flowmaster catback
     
  15. 98svtcontour98

    98svtcontour98 New Member

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    ok will do, thx
     
  16. 98svtcontour98

    98svtcontour98 New Member

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    ok so all the codes cleared EXCEPT the P1443 code...I replaced the solenoid last fall and the valve last week, but the code is still there. I'm assuming it's a hose now, so I'll try my best to do the "smoke" test. I visually see cracks in a line going from the solenoid away from the block...can't quite see where it leads tho, but I'm guess that's where I should start the "smoke" test.

    Anyways, just wanted to update in case it helps anyone else.

    Camshaft sensor and O2 sensor were both replaced and cleared the other codes so far, so that's some good news.