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O2v ?

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mitch83

15+ Year Contributor
141
0
Mar 10, 2004
abilene, Texas
just got my logger today boy was I happy LOL. Well I took the car out for a good ole log and what did I see well the damn O2v's never went above 11 and for the most part they stayed at around 6-8 and somtimes during deceleration would go to 0. I'm assuming my O2 is going bad if it hasnt already. I'm going to swap it with a friends working O2 and see if that fixes it. Also crusing around timing was at 24-32 but once I got on it it dropped hella low like to 6-7 now I know thats normal for an initial WOT situation and it did slowly go up but only to like 14-16 or so if that. My car is running hella slow right now.
mitch
 
do a fuel pressure test.....it sounds like you are running lean (or the ecu thinks you are) and it is pulling timing due to a lean knock..... :dsm:
 
Well another reason I think its the O2 is because I'm actually running rich. My gas milage is almost non existing LOL and my exhaust is pretty black on top of being able to just smell the stuff LOL. I'm think the O2 is bad and the car is running in open loop full rich. What do you guys think. It could be rich knock also too though. I wont know until I swap out the O2's and see what that does. thanks for the input
mitch
 
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