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NEXT (a) Check for exhaust gas leaks from the exhaust manifold assembly and exhaust pipes. OK: No gas leaks. OK GO TO STEP 9 NG GO TO STEP 8 6. CHECK FOR EXHAUST GAS LEAK (a) Check for exhaust gas leaks from the exhaust manifold assembly and exhaust pipes. OK: No gas leaks. OK GO TO STEP 10 NG GO TO STEP 8 7. REPLACE AIR FUEL RATIO SENSOR (a) Replace the air fuel ratio sensor
. NEXT GO TO STEP 11 8. REPAIR OR REPLACE FOR EXHAUST GAS LEAK POINT (a) Repair or replace exhaust gas leak point. NEXT GO TO STEP 11 9. REPLACE HEATED OXYGEN SENSOR (a) Replace the heated oxygen sensor
. NEXT GO TO STEP 11 10. CHECK CAUSE OF EXTREMELY RICH OR LEAN ACTUAL AIR-FUEL RATIO
. 11. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream ON. 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0420,P043... |