Problems/Service/Maintenance Do you have problems with your new 2.0, 2.2, or 2.4L? What kind of service did you have done?

Hesitation on acceleration

Old Jun 18, 2009 | 10:51 AM
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From: MONCTON
Hesitation on acceleration

i feel it just a bit nothing major but i know that its not supposed to do that any ideas? i dont get any CEL

would new spark plugs do that? dirty intake?
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Old Jun 18, 2009 | 10:56 AM
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i have the sme thing, it like studders when i go to accelerate. Almost like the car doesnt down shift until i hit th gas.

I will slow down to like 5 mph and strt rolling real slowly, then slighty tap the gas, and the car like down shofts real quick and then goes. Its weird, not to sure what it is. I gotta take it to GM
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Old Jun 18, 2009 | 11:40 AM
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From: MONCTON
i feel like its misfiring and its not getting full power. still powerfull but slightly off and it annoyes me
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Old Jun 18, 2009 | 11:46 AM
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From: TNARMS
mostly like a dirty throttle body, real easy fix
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Old Jun 18, 2009 | 12:00 PM
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thats what i am thinking too, im going to try and get that cleaned and maybe the MAF also wouldnt hurt, ill keep posting on the results
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Old Jun 18, 2009 | 12:24 PM
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Which motor ? Mods?
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Old Jun 18, 2009 | 12:35 PM
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I'd imagine bag spark plugs all the way to a dirty throttle body can cause a car to slug
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Old Jun 18, 2009 | 12:48 PM
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mine started doing the same thing after i got my auto trans tune from trifecta. lol
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Old Jun 18, 2009 | 03:11 PM
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From: MONCTON
my car is bone stock no mods 2.0L supercharged
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Old Jun 18, 2009 | 03:25 PM
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From: TNARMS
do the home depot oil catchcan mod and clean the TB. your car will love you for it
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Old Jun 18, 2009 | 03:49 PM
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try cleaning the maf...its real easy
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Old Jun 18, 2009 | 04:42 PM
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Originally Posted by Shogokuma
my car is bone stock no mods 2.0L supercharged

Throttle body is a big one , they get gummed up easy. I'd throw a new set of plugs in it too or atleast check the gap. My old car would hesitate when the gap was .038 or higher.
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Old Jun 18, 2009 | 04:50 PM
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same happened to me whn accelarating, so i cleand the throttle body, changed air filter and seafomed and its all good, no more studder.
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Old Jun 29, 2009 | 06:38 PM
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From: MONCTON
ok i changed the spark plugs so far i can still feel a little hesitation thats just me beign **** but its shouldnt do at all so im gonna clean the maf and TB next.
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Old Jul 6, 2009 | 10:41 AM
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From: MONCTON
turns out its a MASS AIR PRESSURE SENSOR (MAP)
its on the supercharger to the left of the throttle body.

i cleaned it but i didnt clean it good enough im gonna clean it again today
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Old Jul 6, 2009 | 10:55 AM
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could also be your fuel filter?
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