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"I'm not getting any help on the 9k board after posting an update so I'm going to put it here. I have a 97 9000 cse that has had a dead rear o2 sensor for a while, saab dealer back home said I didn't have to worry about it since I didn't have the money to replace it."
I guess if you don't have money for new tires you don't need to replace them when they fail? The rear sensor does affect engine operation. Many techs including some at the dealer do not understand this.
"Foward three years to today. I have been having a bit of a problem where the car misfires badly, all power lost and can't get it to go anywhere for about 20 seconds so I managed to get a brand new DI on ebay."
DI = Distributorless Ignition usually to me, is this what you mean? Probably a waste of money. Running 3 years with a failed rear O2 sensor may have contributed to what sounds like the demise of your cat.
"Problem dissapeard for three days"
Well you may have got lucky and solved one problem, but I think you have others.
"and then on the way home from work one day the CEL began flashing almost constantly. Pull into autozone on the way home, p0301, p0132, p0138. Okay I know about the misfire and rear o2 , p0301 and p0318, and p0132 refers to a running rich or shorted to battery voltage. Guess front o2 finally bit the dust so I ordered the oem front o2 and got it installed two days ago. Pulled the ground off the battery to clear and reset the ecu,"
Disconnecting the battery will not clear codes. Now you are looking at the old codes and any recurrent ones as well, but you have no way to sort them out.
"know cel would come back for the rear o2."
Which still needs to be replaced as it did 3 years ago.
"Right on the test drive the cel comes on but it begins flashing like crazy again."
Do you have any idea what a flashing cel means? Have you checked your owner's manual? Or google "catalyst damaging misfire," somebody there will explain it.
"Got the codes read at autozone again; p0300, p0132, p0138. p0300 is random misfires and I still have the stupid misfire where theres no power for almost 20 seconds the rest of the time I can't feel a misfire but I shouldn't have the p0132 since I replaced the front O2 sensor with an oem bosch one, no splicing at all; straight plug and play."
You should still have all the codes because disconnecting the battery will not clear them. But you don't know which are current and which are old and may have been cured by random parts replacement.
"I don't have an ohm meter available to me and if I did all I would be able to do is see if there was a short but I don't know how to fix that and closer dealer is 4 hours away and I'm going to school and can't be without the car as there is no extra for me to drive. Does anybody have any idea."
Walk?
posted by 208.53.81...
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