Surging Idle - Need some help
03-09-13, 09:29 AM
#16
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Actually, if the PCV system is working properly, the crankcase vapors are sucked into the intake manifold well downstream of the IACV and the throttle body. One way to tell if your PCV system is plugged is to look for oil deposits in the intake bellows where the breather hose connects from the front valve cover to the intake bellows. It should be clean in there. If you see oil deposits, that means the vapors are backing up and being injected there instead of getting sucked into the intake manifold like they're supposed to. This is a sure sign your PCV valve or hose is plugged.
07-02-13, 03:01 PM
#17
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An update, albeit not a positive one.
So, after researching and troubleshooting I found that when I removed the connector on the rear OCV the idle smoothed out and stayed at 1000 rpm in all conditions I drove it in. There was no noticeable loss of power.
I changed the OCV today and .... same problem. Surging every 5 secs.
Any thoughts? Cam gear maybe?
So, after researching and troubleshooting I found that when I removed the connector on the rear OCV the idle smoothed out and stayed at 1000 rpm in all conditions I drove it in. There was no noticeable loss of power.
I changed the OCV today and .... same problem. Surging every 5 secs.
Any thoughts? Cam gear maybe?
Last edited by LexDread; 07-02-13 at 03:16 PM. Reason: Added some info.
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