...code...not sure where to start... Got check engine light.. I ran diagnostics and read 1421 and 1423 codes.. I know its the secondary air bank.. Any troubleshooting or fix it ideas 1997 BMW 328I 2.8L ...
...on. also, !with circle around it, plus i lose power codes are:p0303,p0301,p1747,p1189,p0170743,p1423 check for a wet ecu the ecu compartment is under the windshield on the passenger side on E36 ...
Question about 1999 323 Series
buck and surge at one point when trying to accelerate in 3rd gear. the car recently threw P0420 and P1423 trouble codes. I suspect that the catalytic converter may be clogged but have no way to verify
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