TSB C: EXPERTEC TSB (92-292-6E)

Details

WARNING: This page is about the S10 Pickup 2D Pickup, 2.5 A, Automatic, which is a different variant/trim than selected. Publication date: 1992-09-09 Reference number: 92-292-6E EXPERTEC TSB EXPERTEC TSB TECHNICAL SERVICE BULLETIN Reference Number(s): 92-292-6E, Date of Issue:  09/09/92 ENGINE SURGE AT PART THROTTLE - REPLACE MEMCAL AND EGR VALVE Model(s): 1991-92 S TRUCK WITH 2.5L ENGINE Date: 09/09/1992 Bulletin Number: Chevrolet 92-292-6E SUBJECT Engine surge at part throttle or while climbing grade. CONDITION Some owners of 1991-92 S-trucks with the 2.5L L38 engine (VIN Code A), Federal emissions, manual transmission and 3.73 rear axle may comment of an engine surge occurring in the RPM range of 2000-2500 RPM, at a steady throttle or while climbing a slight grade. CAUSE Unstable combustion due to EGR (Exhaust Gas Recirculation) flow. CORRECTION Install a new memcal and EGR valve. Memcal P/N: 16183223 EGR Valve P/N: 17112238 Scanner ID: 3241 Broadcast Code: BCNX Parts are currently available from GMSPO. LABOR/WARRANTY INFORMATION Labor Operation: T0500 Memcal Labor Time: .5 Hr. Labor Operation: J6270 EGR Valve Use applicable labor time guide for labor hours.