Fuel System Fault Analysis Cases
Comprehensive fuel system diagnostics including fuel pump failures, delivery issues, fuel economy problems, and injection system faults.
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1998 Audi A8 Engine Mechanical Problem Diagnosis
1998 Audi A8
The vehicle owner reports that the 1998 Audi A8 is experiencing an engine mechanical issue, primarily showing no injector pulse even though there is g...
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Fuel Injector Power Supply Issue on 1994 Dodge Ram 1500
1994 Dodge Ram 1500
The owner reports that their 1994 Dodge Ram 1500 with a 5.9L V8 engine has no power to the fuel injectors when the ignition switch is turned on. They ...
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1990 Lincoln Town Car No Power to Injectors from PCM
1990 Lincoln Town Car
The owner of a 1990 Lincoln Town Car reports no power from the PCM to the fuel injectors. They have checked fuse number 13 and fuse T in the engine co...
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2003 SAAB 9-3 Intermittent Stalling Issue
2003 SAAB 9-3
The owner reports that their 2003 SAAB 9-3 has unexpectedly shut off three times while driving in the past month, specifically when approaching a red ...
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Check Engine Light On, Speedometer and Gas Gauge Inoperative
2003 Saturn Vue
The owner reports that their 2003 Saturn Vue, which usually runs well, has had the check engine light come on, and both the speedometer and gas gauge ...
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Fuel Pump Whistle Noise Diagnosis for 1999 Dodge Caravan
1999 Dodge Caravan
The owner reports a loud whistling noise from the fuel pump at idle, which sounds like 'EEEEEEEE'. They have already replaced the fuel pump and filter...
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Air Filter Replacement for 2004 Ford Focus 2.3L
2004 Ford Focus
The owner recently purchased a 2004 Ford Focus ZTS with a 2.3L I4 PZEV engine. They noted that the owner's manual mentions an air filter sensor instea...
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2002 GMC Sierra Fuel Pump Problem Diagnosis
2002 GMC Sierra
The owner's son’s 2002 GMC Sierra experienced starting issues, prompting the replacement of the fuel pump. Prior to this, the owner checked the fuel p...
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1999 Mazda Truck Won't Run - Electrical Issue
1999 Mazda Truck
The owner reports that while picking up a TV, the 1999 Mazda Truck suddenly died and wouldn't start despite cranking. After towing it home, the owner ...
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2007 Ford Focus Fuel System Noise After Filter Replacement
2007 Ford Focus
The owner replaced the fuel filter on a 2007 Ford Focus, which was running fine before the service. After removing the 15 amp fuse, starting the car t...
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2008 Honda Jazz Burning Smell Diagnosis
2008 Honda Jazz
The owner reports a burning smell coming from the driver's rear side after driving even a short distance. They checked for visible issues but found no...
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Chevy Venture Fuel Pump Replacement Guide
2001 Chevrolet Venture
The owner reports that their 2001 Chevy Venture has quit running and seems to not be getting fuel. The vehicle starts briefly with starting fluid but ...
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2005 GMC Savana Gas Fill Problem Diagnosis
2005 GMC Savana
The owner of a 2005 GMC Savana reports issues filling the gas tank, experiencing possible vapor lock. The gas tank seems to overflow and fuel may ente...
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2007 Hyundai Accent Fuel Pump/Regulator Issues
2007 Hyundai Accent
The owner reports a persistent issue with their 2007 Hyundai Accent where the check engine light is now always on. They have experienced misfire codes...
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1998 GMC Jimmy Fuel Injector Spider Unit Bracket Compatibility
1998 GMC Jimmy
The vehicle owner is replacing the central port spider injector unit of their 1998 GMC Jimmy and is inquiring about the compatibility of brackets when...
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2002 Chevy Venture Coolant Leak Diagnosis
2002 Chevrolet Venture
The owner of a 2002 Chevy Venture reports a coolant leak, which seems to be originating from the area around the thermostat housing. The owner has not...
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2002 Oldsmobile Bravada Fuel Delivery Issues
2002 Oldsmobile Bravada
The owner reports that the 2002 Oldsmobile Bravada starts fine with fuel pressure at 52 PSI but loses pressure to zero after shutdown and won't restar...
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Heavy Rear Door Lift Difficulty in 2009 Ford Escape
2009 Ford Escape
The owner of a 2009 Ford Escape reports that the rear door is too heavy to lift into the open position, although the shocks are functioning properly. ...
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