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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1994 Acura Legend Dies at Half Tank
1994 Acura Legend
The owner of a 1994 Acura Legend Coupe reports that the vehicle dies when the fuel gauge reads halfway. The fuel light does not activate even though t...
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2001 Volkswagen Jetta Fuel Delivery Issue
2001 Volkswagen Jetta
The owner of a 2001 Volkswagen Jetta has reported that the vehicle is not delivering fuel to the injectors, despite having replaced the fuel pump, fue...
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1985 Toyota MR2 Fuel Delivery Issues
1985 Toyota MR2
The owner of a 1985 Toyota MR2 reports that after replacing the EFI relay switch, fuel pump, and filters, the vehicle now idles fine but loses power w...
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2001 Chevy Silverado No Fuel Pump Kick In
2001 Chevrolet Silverado
The vehicle owner reports that their 2001 Chevy Silverado is experiencing an issue where the fuel pump does not activate. The problem occurs when atte...
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Fuel Injection Issue: No Fuel from Injectors
1996 GMC Jimmy
The owner of a 1996 GMC 4.3L Jimmy reports a fuel injection issue where there is no fuel delivery from the injectors. They tested power to each inject...
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Gas Gauge Malfunction Diagnosis for 1997 Cadillac STS
1997 Cadillac STS
The owner of a 1997 Cadillac STS with a 4.6L engine reports that the gas gauge is not functioning properly after replacing the fuel pump. They suspect...
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2005 Ford Focus Fuel Range Estimation Issues
2005 Ford Focus
The owner of a 2005 Ford Focus reports a significant drop in fuel economy and range estimation after a near accident on the motorway. Previously, a fu...
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1993 Toyota T-100 Fuel Pressure Loss After Shutdown
1993 Toyota T-100
The owner reports that the truck starts fine when cold but fails to restart after reaching operating temperature unless starter fluid is used. The sym...
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Injector Cleaning Options for Improved Efficiency
not specified Toyota not specified
The vehicle owner is looking for ways to improve fuel efficiency and injector performance. They watched a video by mechanic Scotty Kilmer about a devi...
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1997 Jeep Grand Cherokee Laredo PCM Diagnostic
1997 Jeep Grand Cherokee Laredo
The owner reports issues with their 1997 Jeep Grand Cherokee Laredo, equipped with a 4.0L engine and automatic transmission. The vehicle has been well...
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