? Ignore or where to start on 99 Buick Park Ave auto 3800 273,000 mi. Replacement Jasper Trans and salvage engine w about 126,000 mi. About 40 Dtc
p0101,02,03,08,12,13,17,18,21,25,31,32,33,34,35,37,38,40,41,71,72,201,202,203,204,205,206,300,325,327,332,336,341,401,404,420,440,442,446,502
car runs, shifts, drives ok
codes troubleshooting can be looked up on obd-codes.com
Start troubleshooting there. Periodically clear the codes, wait and see what comes back.
Seem to be hard codes on all 40. Won’t erase with my scanner. Thinking when previous owner did engine swap it had some effect on ecm. Think too many codes to be legitimate unless the harness plug is messed up
Just wasn’t sure if it really needed pursuing
Seem to be hard codes on all 40. Won’t erase with my scanner.
The permanent codes aren't going away until the ECU clears them.
car runs, shifts, drives ok
Well, if there's no emissions testing in your state then you don't have to sort them all out.