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Contents

Section: Feedback Carburetor Tests W/codes

BASIC DIAGNOSIS & TESTING INFORMATION

CLEARING TROUBLE CODES

EXITING DIAGNOSTIC MODE

FAILURE CODE DETERMINATION

DESCRIPTION

DIAGNOSTIC CIRCUIT CHECK

SYSTEM PERFORMANCE CHECK

DIAGNOSTIC TOOLS

TROUBLE CODE ID CHART

ENGINE PERFORMANCE PROBLEM - ODOR, SURGE, FUEL ECONOMY OR EMISSION PROBLEM

ALL OTHER COMPLAINTS

CHART 6: WON'T FLASH CODE 12

WITH ELECTRIC AIR CONTROL & ELECTRIC SWITCHING VALVE

EFE (ELECTRICALLY HEATED) CHECK (EXCEPT 3.8L TURBO)

ELECTRONIC SPARK CONTROL (ESC) SYSTEM CHECK

ENGINE CRANKS BUT WILL NOT RUN (WITH INTEGRAL COIL)

ENGINE CRANKS BUT WILL NOT RUN (REMOTE COIL)

PULSAIR SOLENOID CHECK

CHART 24: CODE 24: VEHICLE SPEED SENSOR (VSS) CKT

CHART 24A: CODE 24: VEHICLE SPEED SENSOR (VSS) CKT ("A" & "J" SERIES)

CHART 24A: CODE 24: VEHICLE SPEED SENSOR (VSS) CKT ("A" & "F" SERIES)

CODE 51: PROM ERROR INDICATION

CHART C1 - ECM REPLACEMENT CHECK CHART

ELECTRONIC CONTROL MODULE (ECM)

Removal

OXYGEN SENSOR

THROTTLE POSITION SENSOR (TPS)

TORQUE CONVERTER CLUTCH SOLENOID HIGH GEAR SWITCH

All sections

OXYGEN SENSOR Chevrolet Camaro II

Feedback Carburetor Tests W/codes

OXYGEN SENSOR

Raise and support vehicle (if required). Disconnect electrical connector at harness. Spray threads of oxygen sensor with penetrating oil and allow to soak for 5 minutes. Carefully remove oxygen sensor.

Note. DO NOT attempt to reinstall an oxygen sensor. Reinstallation of a sensor without special glass bead thread coating may require complete replacement of exhaust system.