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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2003 Ford Focus Rough Idle and Poor Fuel Economy
2003 Ford Focus
The owner reports a 2003 Ford Focus experiencing a rough idle when cold and excessive fuel consumption, even at speeds of 50-60 mph. After a recent ti...
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Intermittent Electrical System Issues in 2005 Hyundai Elantra
2005 Hyundai Elantra
The owner of a 2005 Hyundai Elantra reports intermittent issues with the electrical system, specifically that the dashboard lights keep blinking. They...
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2003 Honda CR-V A/C System Diagnosis
2003 Honda CR-V
The owner reports that the A/C system of their 2003 Honda CR-V is not functioning properly. They have replaced the entire A/C system with aftermarket ...
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1999 Ford Focus Windscreen Washers Not Operating
1999 Ford Focus
The owner reports that the windscreen washers on their 1999 Ford Focus have stopped functioning after exposure to cold weather. They attempted to use ...
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Coolant Leak Diagnosis for 2002 Saturn SL
2002 Saturn SL
The owner reports a coolant leak in their 2002 Saturn SL after previously replacing a bad cap that allowed the system to hold pressure. On a recent dr...
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1998 Chevy K1500 Fuel Delivery Hesitation Diagnosis
1998 Chevrolet K1500
The owner reports that their 1998 Chevy K1500 truck has started to hesitate during acceleration. The problem occurs soon after starting and is most no...
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1996 Dodge Avenger Fuel Pressure Regulator Location
1996 Dodge Avenger
The owner of a 1996 Dodge Avenger ES is seeking assistance in locating the fuel pressure regulator. They believe they might have seen it near the fuel...
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2000 GMC Jimmy Fuel Pressure and MAF Sensor Diagnostics
2000 GMC Jimmy
The owner of a 2000 GMC Jimmy is experiencing issues with fuel pressure readings at the schroeder valve, measuring 47 PSI with the key on and 50 PSI w...
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2006 Saturn Ion Exhaust Noise Diagnostics
2006 Saturn Ion
The owner of a 2006 Saturn Ion reports a noticeable exhaust noise, suggesting a potential leak. The noise is particularly pronounced around the area b...
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1995 Nissan Altima Stalling Issue
1995 Nissan Altima
The owner reports that the 1995 Nissan Altima runs smoothly at idle but stalls when the accelerator is pressed. There are no warning lights on the das...
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Intermittent Stalling Due to Fuel Pressure Issues
1995 Nissan Maxima SE
The owner of a 1995 Nissan Maxima SE with a 3.0L engine reports intermittent stalling and stuttering while driving. The issue tends to worsen as the f...
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2000 Chevy Monte Carlo Floating Fuel Gauge Diagnosis
2000 Chevrolet Monte Carlo
The owner has a 2000 Chevy Monte Carlo with approximately 75,000 miles, experiencing an issue with the fuel gauge. The gauge only seems accurate when ...
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1989 Chevy Camaro Fuel Delivery Issue Diagnosis
1989 Chevy Camaro
The owner reports that their 1989 Chevy Camaro won't pass gas to the fuel filter. They have replaced the fuel pump, fuel filter, and fuel pump relay, ...
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1986 Ford F-150 Rough Idling Diagnosis
1986 Ford F-150
The owner reports that their 1986 Ford F-150 with a 302 V8 engine is experiencing rough idling. Initially, the issue included stalling at stoplights, ...
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1996 Ford F-250 Fuel Injector Issues and Diagnostics
1994-1997 Ford F-250
The owner of a 1996 Ford F-250 with a 7.3L diesel engine reports intermittent no-start conditions and reduced power. The owner has tested fuel pressur...
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Gas fumes in passenger compartment when A/C on
2003 Saturn Ion
The owner of a 2003 Saturn Ion reports a strong gasoline smell entering the passenger compartment specifically when the air conditioner is on. They me...
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Poor Gas Mileage and Engine Vibration Diagnosis
2000 Toyota Celica
The owner of a 2000 Toyota Celica reports significantly poor gas mileage and excessive engine vibration, especially noticeable while idling at stoplig...
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1995 Oldsmobile Ciera Fuel Pump Power Issue
1995 Oldsmobile Ciera
The owner reports that the fuel pump is not receiving power. After checking the wiring to the pump and the fuse, the owner confirmed that power is pre...
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