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Rough Idle After Valve Cover Gasket Change
Rough Idle After Valve Cover Gasket Change. If it ran fine before, it's highly unlikely you have a major problem and more likely caused by something that got moved or jiggled during the work. Out of curiosity, i reset the engine codes, and rescanned after kight came on, and i am getting p0300, p0301, p0302, p0303, p0304, i wonder if that is happening while the computer relearn the idle, or because i didnt fix properly.

The problem was that i had a air leak in the lower intake gasket. When this happens while your engine is idling, the escaped oil that finds its way out through the leaking valve cover gasket will drip on engine parts like fuel intake, cylinder head, and sometimes, on exhaust manifolds or pipes. This weekend i did a valve cover gasket change due to noticing 2 of the bolts were snapped of, don't know why.
Once I Got Everything Put Back Together It Car Started To Idle Rough.
It idles at ~750 rpm and shakes violently for about a minute, then revs to ~1100 for about 10 seconds before returning to a rough ~750. When i disconnect the maf sensor the truck stalls immediately. It happens to the best of us, but it is very possible that when you did the intake manifold gaskets, that something was not tightened down properly, or a gasket shifted during installation.
It Didnt Had Any Problems Before The Replacement.any Ideas Of What Could It Be,,,Pcv?.
I used the ngk platinum plugs. I buttoned everything up and went to start it. I have a 2007 bmw 328i.
Your Rough Idle Is Most Likely Due To The Harness And Not The Leak.
When i picked up the car the idle was very rough. Since it was running rough me and my father decided to turn that black knob on the idle air control valve to see if. It took me about 4 hours, but i'm not the fastest wrench.
Just Make Sure None Of The Hoses Split Or Fell Off While Things Were Going Back Together.
Egr gasket changed just in case. It caught once and died, then fired right up, however the idle is very rough. After putting everything back together i now have a rough idle and a slight rattling sound from the engine bay, as well as a cel.
Surging Are Usually Due To Idling Speed Excessively High.
Car had no problems whatsoever prior to work. Car was idling and started to run rough. Our engine was running rough at idle for the past few months and we had the valve cover gasket replace along with spark plugs two weeks ago.
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