2014 Mazda CX-9
Mileage
112,441
Service Date
9/17/2024
Services Performed
- Inspect vehicle and note body damage and lights operations (warning, indicator, exterior, interior). Test drive vehicle and check all systems including brakes, steering, engine performance, and account for visible leaks.
- TECHNICIAN FOUND A ELM327 BLUETOOTH DIAGNOSTIC INTERFACE ATTACHED TO OBD2 PORT. TECHNICIAN HOOKED UP FACTORY MAZDA DIAGNOSTIC COMPUTER AND ATTEMPTED PROCESS TO RETRIEVE CODES. CODES HAD BEEN RECENTLY CLEARED AND HISTORY AND FREEZE FRAME DIAGNOSES DATA HAS BEEN ENTIRELY ERASED FROM ENGINE PCM. REMOVED UPPER ENGINE COVER TO ACCESS FUEL INJECTOR WIRING AND TO PERFORM CIRCUIT TESTING. TECHNICIAN FOUND #1 FUEL INJECTOR IS HUNG IN THE WIDE OPEN POSITION WITH OVER 20 OHMS OF RESISTANCE. SPEC IS 11.3 – 12.7 OHMS. TECHNICIAN IS RECOMMENDING THE FOLLOWING INITIAL REPAIRS AS A STARTING POINT: 1) REPLACE ALL FUEL INJECTORS AS A SET, REPLACING ONE AT A TIME CAN SOMETIMES CREATE FURTHER ISSUES WITH FUEL SYSTEM. 2) OIL AND FILTER CHANGE AS OIL IS SEVERELY CONTAMINATED WITH GASOLINE. 3) REPLACE SPARK PLUGS WHILE INTAKE MANIFOLD IS REMOVED TO ACCESS FUEL RAIL AND INJECTORS. AFTER INITIAL REPAIRS, TECHNICIAN CAN CONTINUE ON WITH ANY AND ALL FURTHER DIAGNOSES AND TESTING IF REQUIRED.
- CUST STATES THEY WERE IN JORDAN VALLEY AND HAD A CODE P0301 THEY CLEARED THE CODE AND HAD VEHICLE TOWED TO US, STATED THEY HAVE WHITE SMOKE SMELLS LIKE FUEL CHECK AND ADVISE
- REMOVED INTAKE PLENUM TO ACCESS FUEL RAIL. TECHNICIAN FOUND CYLINDER 1 INTAKE VALVE PORTS FULL OF FRESH GASOLINE AS SUSPECTED, HOWEVER, CYLINDER 2 WAS ALSO VERY WET AND TECHNICIAN ADVISED SERVICE ADVISER TO GET AUTHORIZATION TO REPLACE CYLINDER 2 INJECTOR TO PREVENT GUEST FROM BREAKING DOWN ON WAY HOME AS THEY ARE TRAVELING. TECH REPLACED BOTH FUEL INJECTORS AND CLEARED CODES, TEST DROVE AND VERIFIED MISFIRE IS NO LONGER PRESENT AT THIS TIME. TECHNICIAN RECOMMENDS THAT GUEST VISIT THEIR LOCAL TECHNICIAN AND REPLACE THE REMAINING 4 INJECTORS.
- REMOVED ALL 6 SPARK PLUGS AND REPLACED WITH 6 NEW FORD MOTORCRAFT PLUGS. TECHNICIAN USED DIALECTIC GREASE ON COIL BOOTS.
- PERFORMED ENGINE OIL AND FILTER CHANGE. TECHNICIAN NOTED THAT DUE TO FAULTY INJECTOR, ENGINE OIL WAS SATURATED WITH GASOLINE.
- REMOVED DEFECTIVE FUEL DAMAGED PCV VALVE AND REPLACED WITH NEW UNIT.
- REPLACED BOTH ENGINE AIR FILTER AND INTERIOR GUESTS CABIN AIR (HVAC) FILTER. AND PERFORMED COURTESY DEODERIZE DUE TO STRONG FUEL SMELL.
- Clean build-up from throttle body and idle air control motor where applicable. Run heavy duty professional cleaning chemical through intake system to clean deposits from intake valves, de-carbon intake system and combustion chambers. Add long term fuel system treatment to tank.
- Isolate injector rail from fuel system. Chemical flush all injectors with Valvoline professional-grade injector cleaner.
- FLUSHED BRAKE FLUID AND REPLACED WITH NEW DOT3
MELISSA B. gave our service a 5 star review on 9/18/2024
