Recent content by Brian T
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What causes codes to read lean?
Just replaced the left 02 sensor and the problem persists....plus now it's doing that weird bucking it used to do before I changed the plug wires last year, worse in high gear with minimal throttle. The really distinctive and rapid fire exhaust rythym at idle has got to be a clue of some sort...- Brian T
- Post #14
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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What causes codes to read lean?
Thanks, fellas. Brian- Brian T
- Post #13
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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What causes codes to read lean?
An update on my 93 atx. I cleared all codes and re-ran both tests and got: KOEO: 189 189 KOER: 136 136 According to these, I have 02 sensor picking up left bank lean, and left bank rich limit is reached. This seems to suggest maybe not a vacuum leak, but rather left 02 sensor bad? Or...- Brian T
- Post #9
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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What causes codes to read lean?
Thanks everyone. I'm gonna check the MAF and look for vacuum leaks, and then redo the KOER test. Brian- Brian T
- Post #8
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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What causes codes to read lean?
Hey all, Engine light came on recently and intermittently (comes on more when off the gas and less if I'm on it). Before clearing codes: KOEO 172 176 181 189 KOER 136 After clearing codes: Same KOEO KOER 129 167 225 536 632 (?) The cps, plug wires, timing belt and cam ps have been done...- Brian T
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- Replies: 13
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
