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Where to start with these GM OBD1 Codes?
OBD1 Lo5 5.7 V8 1993 Buick Roadmaster Car runs rough and bogs out at times Got code - 23: Intake air temp out of range 34:Map sensor signal out of range 43: knock sensor 44: oxygen sensor lean exhaust. what I know about this vehicle prior before I got it is its just had its cat converter...