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2001 Chrysler PT Cruiser skip

Tiny
CUDAS71
  • MEMBER
  • 2001 CHRYSLER PT CRUISER
Computer problem
2001 Chrysler PT Cruiser 4 cyl Front Wheel Drive Manual

Has a p0172 code lean o2 skips or runs ruff at idle has new plugs 58 psi fuel pres.
Monday, February 16th, 2009 AT 11:04 AM

3 Replies

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Ok lets keep this simple to start with. This problem can be caused by a vacuum leak. So first I would check all vacuum hoses including the power brake booster hose and look for any cracks and then use a spray bottle to spray around the intake manifold and see if there are any leaks there. If this car has a mass air flow sensor then get some mass air flow cleaner and remove it and spray the inside and clean it. Let me know what you find and we will go from there.
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Monday, February 16th, 2009 AT 11:17 AM
Tiny
CUDAS71
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Spray intake with carb clean. No mass air flow. Egr?
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Monday, February 16th, 2009 AT 11:27 AM
Tiny
RACEFAN966
  • MECHANIC
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It could be the EGR but I would check for any vacuum leaks around the intake and vacuum lines before going there just to rule out vacuum leaks. If that check's good then get back to me and we will test the EGR valve.
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Monday, February 16th, 2009 AT 9:18 PM

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