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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Preventing Car Start: Ford Mustang 2005
2005 Ford Mustang
The vehicle owner wants to prevent their 2005 Ford Mustang from starting to stop their boyfriend from taking the car without permission. They are seek...
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2006 Chrysler PT Cruiser Anti-Theft Light Flashing
2006 Chrysler PT Cruiser
The owner reports that the anti-theft light on their 2006 Chrysler PT Cruiser occasionally flashes, which coincides with the vehicle not starting. The...
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Check Engine Light and Buzzing Noise Diagnosis
2009 GMC Canyon
The owner of a 2009 GMC Canyon reports that the check engine light illuminated a few days ago. After changing the gas cap, the light turned off but re...
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Fuel Pump Replacement Guide for 2005 Mazda 3
2005 Mazda 3
The vehicle owner reported the check engine light illuminated approximately 6-8 months ago. After routine maintenance, a mechanic indicated that the f...
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2005 Buick Rainier Fuel System Diagnosis
2005 Buick Rainier
The owner of a 2005 Buick Rainier is experiencing an issue where the vehicle idles up and then dies suddenly without any warning. There are no check e...
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1990 Pontiac Grand Am Won't Start Unless Gas is Poured in Carb
1990 Pontiac Grand Am
The owner of a 1990 Pontiac Grand Am reports that the vehicle will not start unless gasoline is poured directly into the carburetor. Previously, the c...
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Diagnosing P0456: Vacuum Leak and Charcoal Filter Issues
2006 Mercedes Benz CLS-500
The vehicle owner reports a check engine light illuminated on their 2006 Mercedes Benz CLS-500, accompanied by a diagnostic code P0456 indicating a sm...
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1992 Ford Mustang Injector Issues Diagnosis
1992 Ford Mustang
The owner of a 1992 Ford Mustang with a V8 engine reports that the fuel injectors are not functioning. Despite having fuel pressure at the rail and a ...
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Fuel Filter Maintenance and Replacement Guidance
2009 Ford Focus SE
The owner of a 2009 Ford Focus SE is uncertain about the fuel filter maintenance as the owner’s manual states it has a lifetime fuel filter that doesn...
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2005 Honda CR-V Fuel Economy Drop Diagnosis
2005 Honda CR-V
The owner of a 2005 Honda CR-V reports a decrease in fuel economy from an average of 22-23 mpg to around 19 mpg under the same driving conditions. The...
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1992 Dodge Shadow No Power To Fuel Tank
1992 Dodge Shadow
The owner's 1992 Dodge Shadow is experiencing a fuel delivery issue, as there is no power to the fuel tank despite having spark at the ignition. The f...
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2005 Pontiac Grand Am Misfire and Fuel Consumption Issues
2005 Pontiac Grand Am
The owner reports persistent misfiring at speeds under 40 mph, difficulty starting the vehicle, and a strong gasoline smell inside the cabin. After re...
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1991 Dodge Shadow Fuel Pump No Power Diagnosis
1991 Dodge Shadow
The owner reports that their 1991 Dodge Shadow died after hitting a pothole. They checked the fuse for the fuel pump and found no power. Additionally,...
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1993 Chevy Cavalier Stalling Issue Diagnosis
1993 Chevrolet Cavalier
The owner reports that their 1993 Chevy Cavalier tends to stall when coming to a complete stop, such as at stop lights or intersections. The idle fluc...
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Fuel Line Purpose and Diagram for 2006 E350
2006 Mercedes-Benz E350
The owner of a 2006 Mercedes-Benz E350 PZEV is seeking detailed information about the purpose of each fuel line connected to the fuel filter. They hav...
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1991 Honda CRX Engine Stutters While Driving
1991 Honda CRX
The owner of a 1991 Honda CRX with a D15B6 1.5L engine reports engine stuttering during driving, particularly at steady throttle positions. The stutte...
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1990 Plymouth Laser RS Turbo Poor Gas Mileage Diagnosis
1990 Plymouth Laser rs turbo
The owner recently purchased a 1990 Plymouth Laser RS Turbo and reports poor gas mileage, consuming a quarter tank of gas over just 50 highway miles. ...
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1991 Pontiac Sunbird Fuel Delivery Issue Diagnosis
1991 Pontiac Sunbird
The owner reports that their 1991 Pontiac Sunbird convertible developed an 'almost start' condition. The vehicle cranks and starts but dies after abou...
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