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6E-154 Engine Control System (4JH1) Step Action Value(s) Yes No 7 1. Turn OFF the ignition. and corrosion at the harness connector of the 4. Disconnect the engine control module (ECM) harness connector. 5. Inspect for an intermittent, for a poor connection and corrosion on each MAF sensor circuit at the 6. Test for high resistance on each MAF sensor circuit. 7. Repair the circuit(s) as necessary. Go to Step 10 Go to Step 8 8 Replace the EGR valve. Refer to EGR Valve Go to Step 10 9 Replace the EGR solenoid valve. Refer to EGR Go to Step 10 10 1. Reconnect all previously disconnected harness connector(s). 2. Clear the DTCs with the scan tool. coolant temperature to reach at least 60°C Does the MAF Sensor parameter follow the Desired Go to Step 11 Go to Step 2 11 Observe the DTC Information with the scan tool. Go to Diagnostic Trouble Code (DTC) List System OK
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