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#1
06-26-2007, 06:36 PM
Hummer Veteran
Join Date: Jun 2007
Location: Allentown
Posts: 32
Check engine LIght on at 1600 miles??
I recently put a K&N filter in and also one of those tonado things in. My check engine light came on this mourning and when I did the OnStar diagnoses they said it was a fuel system problem. Does that sound right? I know a filter adds air to the air feul mixture but enough to throw a sensor? I was going to take it to the dealer but unsure whether or not to take out the filter and tornado in case that is the kulbrit? I don't want them saying it's not covered under warrenty or something. Any advise???
#2
06-26-2007, 07:06 PM
Hummer Authority
Join Date: Mar 2006
Location: Chicago, IL
Posts: 1,086
Re: Check engine LIght on at 1600 miles??
i am 80% sure dealer will say the tornado thing is the problem, once they find out about it. Although it may be, i dont know. If i was you i'd just take them off and take to dealer. I dont think the filter is a problem, alot of peole have them.
#3
06-26-2007, 07:35 PM
Hummer Expert
Join Date: Mar 2007
Location: TUCSON ARIZONA
Posts: 516
Re: Check engine LIght on at 1600 miles??
How long is recent? I know this sounds lame, but check your gas cap. If its not on properly it can cause the check engine light to come on also.
#4
06-26-2007, 07:47 PM
Hummer Guru
Join Date: Mar 2005
Posts: 3,356
Re: Check engine LIght on at 1600 miles??
mass air flow sensor? get the tornado off now! it's snake oil.
#5
06-26-2007, 07:47 PM
Hummer Guru
Join Date: Mar 2005
Posts: 3,356
Re: Check engine LIght on at 1600 miles??
oh and KN may let in too much sirt down the road if you wheel. beware
#6
06-26-2007, 08:18 PM
Hummer Veteran
Join Date: Jun 2007
Location: Allentown
Posts: 32
Re: Check engine LIght on at 1600 miles??
OK thanks, Ya I thought it might be the tornado thing but I didn't know if the fuel sensor in the enigine was that touchy. I checked for other threads about installing after market intakes and there was no mention of throwing a code. and the OnStar guy said it was a sensor in the engine. because I even asked him about the gas cap. I guess the tornado thing does work if it throws codes like it is doing. Too much air? never heard of that in a engine but I am going to take it off later tonight. Thanks for the help
.
since I do want some sort-of air filter upgrade any recamendations??
#7
06-26-2007, 09:34 PM
Hummer Guru
Join Date: Jul 2005
Posts: 4,123
Re: Check engine LIght on at 1600 miles??
Quote:
Originally Posted by usetosellhummer
mass air flow sensor? get the tornado off now! it's snake oil.
I was thinking the MAF also. And ditto on losing the soda can.
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#8
06-26-2007, 10:28 PM
Hummer Professional
Join Date: Mar 2003
Location: N.CENTRAL OHIO
Posts: 474
Re: Check engine LIght on at 1600 miles??
If the tornado thingy is installed back ward it will really mess up the engine.
It will up the fuel usage because of the rich mixture.
JK
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