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Home >> Pontiac >> 1991 >> 6000 SE >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Basic Testing - 2.5L/151 TBI In-Line 4 VIN [R] >> Computerized Engine Control System >> C-Chart Identification/Availability >> "W" Body

"W" Body

C-CHART IDENTIFICATION/AVAILABILITY - "W" BODY

Chart Identification/Purpose
C-1A Park Neutral Switch Diagnosis (With A/T Only)
C-1D Manifold Absolute Pressure (MAP) Output Check
C-1E Power Steering Pressure Switch (PSPS) (With P/S Only)
C-2C Idle Air Control (IAC) Valve
C-4D-1 "DIS" Misfire AT IDLE
C-4D-2 "DIS" Misfire UNDER LOAD
C-7 Exhaust Gas Recirculation (EGR) Valve Check (Non-ECM Controlled)
C-8 Torque Convertor Clutch (TCC) Circuit (With A/T Only)
C-10 A/C Clutch Control
C-12 Coolant Fan Control Circuit Diagnosis: 1/2