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Home >> Isuzu >> 2003 >> Ascender 5.3 P, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 5.3L >> Diagnostic Tests >> Notes

Diagnostic Tests: Notes

NOTE: Before clearing DTCs, perform Diagnostic System Check - Engine Controls. See DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS  under SELF-DIAGNOSTIC SYSTEM. Record FREEZE FRAME and FAILURE RECORDS for reference during testing. Data will be erased when DTCs are cleared. If PCM is replaced, NEW PCM must be programmed using special manufacturer's equipment. See POWERTRAIN CONTROL MODULE  under PROGRAMMING.
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