car has a low rpm stumble
#1
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car has a low rpm stumble
i just did long tube and when in gear i wants to die, rough idle, and stumble.i got the air pump unpluged all the line are still in. just waiting to get egr block off plates.air an rear o2 still need to be tuned out. could it be a burned wire or something? as so i just put in a wideband o2 and it always spike to 16 or so the backs down to 14 ish why dose this do that?
#2
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i just did long tube and when in gear i wants to die, rough idle, and stumble.i got the air pump unpluged all the line are still in. just waiting to get egr block off plates.air an rear o2 still need to be tuned out. could it be a burned wire or something? as so i just put in a wideband o2 and it always spike to 16 or so the backs down to 14 ish why dose this do that?
#4
I would get a new set of front o2's in that bad boy. When I did the coated headers on my car it smoked the o2's. Car ran like trash. Replaced em' and reset the computer (removed battery) and it ran fine.
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#8
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check for vacuum leaks and your plug wires, and also check the wire that goes from the coil to the opti. if its O2s, then the symptoms would go away under WOT because the computer doesnt read them then (i changed mine and it didnt fix it). i had this low rpm stumble for a while, and while pulling out this motor i noticed corossion on the coil where the wire to the opti goes, my vacuum lines were pretty much destroyed, and my plug wires are caked with grime. hoping these were the culprits.
and make sure you go with AC delco O2 sensors.
and make sure you go with AC delco O2 sensors.