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New User

Apr 15, 2012, 9:01 AM

Post #1 of 7 (1425 views)
engine stalled Sign In

I have a jeep liberty 2006, engine 3.7L. I know that the catalytic converter is damaged,because i struck the underside going over a huge rock.My problem is while driving with the damaged cat. the engine stalled and would not restart. On checking i found some oil in the air intake and filter. would the damaged cat. caused the engine to stall and what caused oil to enter the air intake?

Veteran / Moderator

Apr 15, 2012, 12:50 PM

Post #2 of 7 (1365 views)
Re: engine stalled [In reply to] Sign In

The oil is likely blowby going through your PCV which draws into the air intake. The PCV valve may need replacement, a cheap and simple fix. The cat is another matter entirely. If its damaged badly the honeycomb in it breaks up and the thing plugs. It won't allow the exhaust gasses to go out. Think of it as trying to breathe through a drinking straw. It definately will stall you out and cause big trouble. Its not cheap but is necessary to repair it before you drive around anymore.

New User

Apr 15, 2012, 1:18 PM

Post #3 of 7 (1360 views)
Re: engine stalled [In reply to] Sign In

Thanks for the answer. Seems a very logic answer. I bought a new direct fit Cat. Cost me $500. should have it by Tuesday also i bought the four O2 sensors.I'll check the PCV valve and change if necessary.Please tell me where is the PCV valve located.


Apr 15, 2012, 5:54 PM

Post #4 of 7 (1330 views)
Re: engine stalled [In reply to] Sign In

PCV is located on the FILL TUBE...
Always tell if the CEL is on and if you know codes
will add image as soon as I figure out how to

New User

Apr 15, 2012, 6:11 PM

Post #5 of 7 (1326 views)
Re: engine stalled [In reply to] Sign In

thanks, I'll know what to look for. I'll you guys posted on how and if i solve the problem. Thanks again to all.

Hammer Time
Ultimate Carjunky / Moderator

Apr 15, 2012, 6:45 PM

Post #6 of 7 (1321 views)
Re: engine stalled [In reply to] Sign In


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

New User

Apr 15, 2012, 7:26 PM

Post #7 of 7 (1311 views)
Re: engine stalled [In reply to] Sign In

Thanks for the diagram showing me the PCV valve.

engine stalled

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