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Car Shuts off when idleing (K&N intake system)

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Old Oct 5, 2011 | 10:05 PM
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Default Car Shuts off when idleing (K&N intake system)

i noticed when im stopped, at a light or stop sign, after a few seconds my car starts to loose revs and it dies. It will stay on if i rev it but if i do nothing it just seems to idle below 500rpm and cut off. It always comes back on with no issue. What could this be?

It also cutts off when I start it up the next. It will stay on if I keep revving it.
 
Old Oct 6, 2011 | 08:13 AM
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ok i will ask when was the last time you cleanded the filter could be dirty or to much oilon it. also when was the last time you did a tune up and oil on it as well as checking the maf. it could have been dirty
 
Old Oct 6, 2011 | 08:21 AM
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IAC valve on the Throttle Body.

Most likely gunked up with carbon and not functioning properly.
 
Old Oct 6, 2011 | 11:31 AM
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Originally Posted by monte07
ok i will ask when was the last time you cleanded the filter could be dirty or to much oilon it. also when was the last time you did a tune up and oil on it as well as checking the maf. it could have been dirty
I bought a New K&N filter. I thought it was the filter at first, because when I installed the filter the car started without shutting down and without me revving it. And it been two whole days without me starting the vehicle.
It been two and in a half years without me doing a tune up. I have MSD wiring and they look pretty decent. For the oil, I keep up with the oil.
 
Old Oct 6, 2011 | 01:57 PM
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Originally Posted by ChibiBlackSheep
IAC valve on the Throttle Body.

Most likely gunked up with carbon and not functioning properly.
Where would that be located at?
 
Old Oct 6, 2011 | 02:04 PM
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Old Oct 6, 2011 | 04:56 PM
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Check the MAF aswell.
(seems like a few of these MAFs going bad recently )
 
Old Oct 6, 2011 | 07:49 PM
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Agree on the MAF but with the idle dying slowly like he says unless he steps on the gas, it's sounds more IAC related since the whole point of that valve is to control air when idle.
 
Old Oct 6, 2011 | 08:18 PM
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Clean the IAC, it's pretty much an easy freebie. If that doesn't do it, I would consider a new fuel filter (I know it's a different car, but I had those same symptoms with my '84 Camaro years ago, changed the fuel filter, no more issues).
 
Old Oct 6, 2011 | 09:54 PM
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What would you guys recommend on cleaning the MAF and or IAC?

Thank you guys for the help, I appreciate it.
 



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