Mike's Workshop Manuals: Service manuals for every vehicle

Home >> Buick >> 1992 >> Roadmaster Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 5.0L TBI >> Pcm/BCM Code Charts >> Code 44, Lean Exhaust Indication >> Diagnostic Aids

Diagnostic Aids

Using "Scan" tester, observe Block Learn Memory (BLM) value at different RPMs. If conditions for a Code 44 exist, block learn value will be about 150.

scientia non olet · About Mike's Workshop Manuals