LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Someone please help!?!?

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Old Oct 20, 2009 | 11:49 AM
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Raven97's Avatar
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Joined: Feb 2005
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From: SW FLORIDA
Default Someone please help!?!?

My car is running rough. Freescan says that the Left O2 voltage is pegged at like .004while the right bounces argound like it should from low to high.

Could a bad O2 sensor cause this problem? I have a new O2 sensor ready to go on if it it the problem but I want to be sure because I am going to have to lengthen the O2 sensor wires in order to use it. So I want to be sure in case I dont need it I can still take it back.

I measured the resistance on all the injector clips at about 10.14-10.20 ( haynes said it should be between 11-14) and while running I am pretty sure I can hear each injector firing proberly (using a screwdriver as a sthescope LOL)So I am pretty sure it is getting fuel I just replaced the opti that was bad (accel, I could hear rattling inside the cap)
So is it mostlikely a bad sensor or what? what else could it be?
PLEASE HELP! This is my DD

EDIT: I tried the bad sensor on the other bank and it confirmed that it was indeed bad, so I went ahead and put the new one on after lengthening the harness and car runs like a top now.

Last edited by Raven97; Oct 21, 2009 at 10:24 AM.
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