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6 INSPECT CMP SENSOR Inspect the CMP sensor. (See Is there any malfunction? Yes malfunctioning parts. If it is normal, replace CMP sensor. (See No Go to the next step. 7 VERIFY CKP SENSOR Inspect for CKP sensor looseness. Is the CKP sensor loose? Yes Retighten the CKP sensor, then go to Step 18. No Go to the next step. 8 INSPECT IGNITION SYSTEM Perform the spark test. (See Are the results of the spark test Yes Go to the next step. No Repair or replace the malfunctioning part according to the spark test results, then go to Step 18. 9 INSPECT MAF PID Start the engine. Access the MAF PID using the M- Verify that the MAF PID changes Is the MAF PID response normal? Yes Go to the next step. No Replace the MAF/IAT sensor, then go to Step 18. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7] .) 10 INSPECT FOR EXCESSIVE AIR Inspect for air leakage at the Between the MAF/IAT sensor Between the throttle body and Is there any malfunction? Yes Repair or replace the suspected part, then go to No Go to the next step. If the fuel line pressure is too low, go to the next
2008 Mazda CX-9 Grand Touring 2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
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