SMU - SECTION 9, 9A - 9B - DRIVEABILITY & EMISSIONS. GMC Truck S15 Pickup - 2WD 1994

For 1990-2009 cars

# SMU - SECTION 9, 9A - 9B - DRIVEABILITY & EMISSIONS

#### SUBJECT: SERVICE MANUAL UPDATE-SECTIONS 9, 9A, 9B-DRIVEABILITY EMISSIONS AND ELECTRICAL DIAGNOSIS-REVISED "EGR SYSTEM CHECK WITH NEGATIVE BACK PRESSURE EGR VALVE" CHART

#### MODELS: 1991-95 CHEVROLET AND GMC TRUCK M/L, C/K, G, R/V, S, P3 AND P/G TRUCKS WITH 2.2L, 2.5L, 4.3L, 5.0L ENGINES (VINS 4, A, Z, E, H - RPOS LN2, L38, LB4, L03) WITHOUT 4L80E TRANSMISSION

THIS BULLETIN ADVISES OF A CHART REVISION IN THE FOLLOWING SERVICE MANUALS:

1991 LIGHT DUTY TRUCK FUEL AND EMISSIONS, PAGE 9-5 1992 LIGHT DUTY TRUCK FUEL AND EMISSIONS, PAGE 9-7 1993 LIGHT DUTY TRUCK FUEL AND EMISSIONS, PAGE 9A-5 1994 S/T, G, C/K, P3 AND P/G DRIVEABILITY EMISSIONS AND ELECTRICAL DIAGNOSIS, PAGE 9B-5 1995 S/T DRIVEABILITY EMISSIONS AND ELECTRICAL DIAGNOSIS, PAGE 9B-5

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