Does anybody know how to flash the ECU for error codes without an OBD reader? I know on the 3rd gens you shorted either pins 5/6 or 6/12, what about 4th gens (2002)? Our bird has a rattle in the back end but is throwing a timing and catylitic error.
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The only 4th Gen you can flash the DTC code on the SES light by shorting the ALDL pins is the OBD-I 1993. After that, you need a code reader, hardware or software scanner. 1996-2002 is OBD-II and you can get cheap code readers as low as $40 (Harbor Freight). 94/95 are OBD-I and need something like the Auto Xray OBD-I scanner, which is a bit more expensive than the OBD-II scanners. There is free scan sfotware for OBD-I though.
Exactly what codes are you getting?Fred
381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor
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