2001 Chrysler PT Cruiser skip

2001 CHRYSLER PT CRUISER
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CUDAS71
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  • 4 POSTS
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.
Feb 16, 2009 at 3:04 AM
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RACEFAN966
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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.
Feb 16, 2009 at 3:17 AM
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CUDAS71
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spray intake with carb clean .no mass air flow . egr?
Feb 16, 2009 at 3:27 AM
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RACEFAN966
  • ✓Experienced Mechanic
  • 5,029 POSTS
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.
Feb 16, 2009 at 1:18 PM
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