my car keeps dying!!
03-28-2007, 10:14 PM
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my car keeps dying!! ok...first of all, i put kooks 1 3/4 headers on my 99 Z28 about a month ago and got it dyno tuned at HPE in houston. Well about 2 days ago it started shaking really hard at like stop lights and stuff(like a cam car or something). It starts to idle low for like 30 seconds or so, and then just randomly goes back to normal. (the check engine light is on). anyone have any clue what is going on?
03-29-2007, 05:03 PM
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Sounds like an O2 sensor went bad! Often when they go bad they show as being lean and cause the computer to add a bunch of extra fuel, which would explain the sputtering and dying! Bring it by we'll check it out for ya!
Chuck @ HPE
Chuck @ HPE
03-29-2007, 07:27 PM
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Also check the plug wires, etc. make sure you don't have a simple issue. I would also check your 02 wiring, often they get too close headers and burn after a while.
03-30-2007, 10:08 AM
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Replace the o2 sensors 
Originally Posted by Chuck@HPE
Often when they go bad they show as being lean and cause the computer to add a bunch of extra fuel, which would explain the sputtering and dying!