Fuel System & Pump Issues Analysis Cases

Detailed analysis of fuel delivery problems, pump failures, and fuel system diagnostics.

1991 Pontiac Firebird Stalling and Poor Performance
1991 Pontiac Firebird
The owner reports that while driving, the Pontiac Firebird suddenly dropped to 1000 RPM and wouldn't gain speed, ultimately stalling. The engine somet...
Pontiac Firebird fuel system
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2002 Jeep Liberty: Check Engine Light and Black Smoke
2002 Jeep Liberty
The owner reports that their 2002 Jeep Liberty is experiencing a flashing check engine light, accompanied by black smoke from the tailpipe. The vehicl...
Jeep Liberty check engine light
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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...
Ford Focus rough idle
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Intermittent Stalling and Hesitation in 2005 Dodge Ram
2005 Dodge Ram 1500
The owner of a 2005 Dodge Ram 1500 Hemi 4x4 reports intermittent stalling and hesitation during acceleration. The vehicle struggles to respond when th...
fuel_system stalling Dodge Ram
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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...
Hyundai Elantra Electrical System
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Fuel Backing Up When Filling Tank
1987 Nissan Pulsar NX SE
The owner of a 1987 Nissan Pulsar NX SE with 110,000 miles reports that whenever they attempt to fill the fuel tank, the fuel backs up and spills out,...
fuel_system clogged_filler_neck venting_issue
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1997 Jeep Cherokee Poor Engine Performance Diagnosis
1997 Jeep Cherokee
The owner of a 1997 Jeep Cherokee Sport with 130,000 miles reports significant engine performance issues. The vehicle starts fine but struggles to mai...
Jeep Cherokee engine performance
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Persistent Engine Light After Refueling
2005 Honda Accord
The owner of a 2005 Honda Accord 6-cylinder sedan reported that after refueling at a no-name gas station during a road trip, the engine light illumina...
Honda Accord engine light
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1983 Pontiac 6000 TBI Fuel Leak Diagnosis
1983 Pontiac 6000
The owner reports that their 1983 Pontiac 6000 with a 2.5L TBI engine experiences a severe fuel leak when attempting to start the vehicle. Gasoline gu...
Pontiac TBI fuel leak
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1998 Chevy Cheyenne Engine Stalling Issue
1998 Chevrolet Cheyenne
The owner reports that the engine in their 1998 Chevy Cheyenne stalls when accelerating, although it idles fine. The stalling worsens as the engine wa...
Chevy engine stalling fuel system
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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 ...
Ford Focus windscreen washers washer pump
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2007 Saturn Ion 2 Misfire and Emissions Issues
2007 Saturn Ion 2
The owner of a 2007 Saturn Ion 2 reports that the emissions light remains on and a misfire has been detected in cylinder 3. The vehicle is consuming t...
Saturn Ion 2 misfire
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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...
coolant leak radiator failure water pump
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1990 Ford Ranger 4.0 White Smoke Diagnosis
1990 Ford Ranger
The owner has a 1990 Ford Ranger with a 4.0L engine that recently had the heads replaced along with all new gaskets but is still emitting white smoke....
Ford Ranger White Smoke
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Fuel Filter Location for 2008 GMC Yukon
2008 GMC Yukon
The owner of a 2008 GMC Yukon is looking for the fuel filter location. They have heard conflicting information about whether it is in the tank or alon...
fuel_filter GMC Yukon
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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...
Chevrolet fuel delivery acceleration hesitation
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1994 Chrysler Le Baron Hesitation During Acceleration
1994 Chrysler Le Baron
The owner reports that the vehicle experiences hesitation during acceleration, where the RPM gauge sticks, causing a loss of power before suddenly jum...
Chrysler Le Baron hesitation
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Engine Misfire and Shaking Diagnosis for 2004 Chevy Cavalier
2004 Chevrolet Cavalier
The owner reports that their 2004 Chevy Cavalier makes a funny sound and shakes upon starting, as if it wants to stall but doesn’t. After having the s...
engine misfire ignition system fuel delivery
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Page 6 of 13 - Showing specific automotive problem analysis cases