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Old Apr 10, 2009 | 08:11 PM
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Default shutter???

just noticed this problem today, when i drive the car its, fine but when i try to accelerate, the engine wants to shutter and pop, also if i put it in 6th gear i really notice it.

just installed headers, but ive had them on for 2 weeks, and DID NOT have this problem then, other than that nothing has changed.

could it be bad gas?
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Old Apr 10, 2009 | 08:21 PM
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hmm.... throwing any codes at all? Did you make sure your O2 sensor harnesses were well away from the headers? Seems like if they were dangerously close, it might take about 2 weeks for them to burn through and start shorting out. I would look at anything that you may have damaged during your header install or that the heat from your headers may have damaged subsequently.
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Old Apr 10, 2009 | 09:01 PM
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+1 on burnt o2 sensor wires. \

car throwing a code ?
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Old Apr 10, 2009 | 09:23 PM
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Originally Posted by elias_799
+1 on burnt o2 sensor wires. \

car throwing a code ?
it is, but i had the cats removed to, so ive got an extra set of 02 censors so if thats the case, ill put one of them in, i did fuel up today, that why i said the gas. but the 02 sensor idea sounds like it might be it...ill post with the answer to that.
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Old Apr 10, 2009 | 10:08 PM
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ok, checked the 02 censors, nothing wrong with them, i got in and drove again, it only has this problem at WOT or close to it. any other suggestions?
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Old Apr 11, 2009 | 12:22 PM
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anyone?? car only pops and shakes at wot, doenst matter what rpm or gear, runs fine when i just drive it.
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Old Apr 11, 2009 | 02:39 PM
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did you check the o2 sensor wiring ?

also check your fuel pressure
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Old Apr 11, 2009 | 03:34 PM
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Originally Posted by elias_799
did you check the o2 sensor wiring ?

also check your fuel pressure
the 02 censor wiring? thats just the one that goes to each 02 censor right? how do i check fuel pressure?
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Old Apr 11, 2009 | 10:31 PM
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https://ls1tech.com/forums/general-m...ort-video.html

2 threads same problem
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Old Apr 11, 2009 | 10:44 PM
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Originally Posted by TheSilverOne
thanks for your help.
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Old Apr 11, 2009 | 10:54 PM
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You can't tell if your 02 sensors are bad, or not working properly without using an OBDII scanner like the dealerships use. Until you do that you will nto know if one or both sensors are bad or failing.

And again, you will not necessarily get an SES light.
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Old Apr 11, 2009 | 10:58 PM
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Originally Posted by LS6427
You can't tell if your 02 sensors are bad, or not working properly without using an OBDII scanner like the dealerships use. Until you do that you will nto know if one or both sensors are bad or failing.

And again, you will not necessarily get an SES light.
its only got 40k, but heres what ill try next, ive got the other 2 02 censors, from the header swap, ill just plug those two in, where these are and try that out. i hope thats it....
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