Fuel System & Pump Issues Analysis Cases
Detailed analysis of fuel delivery problems, pump failures, and fuel system diagnostics.
Intermittent Stalling and Power Loss on Acceleration
1997 Chevrolet C/K 1500
The owner reports that their 1997 Chevrolet C/K 1500 experiences intermittent stalling and power loss when accelerating, especially going uphill. On s...
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1990 Geo Storm Power Loss Diagnosis
1990 Geo Storm
The owner of a 1990 Geo Storm reports a loss of power while driving. The vehicle has been experiencing performance issues, particularly noticeable dur...
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Engine Shaking Diagnosis for 1994 Nissan Sentra
1994 Nissan Sentra
The owner reports that the engine shakes regardless of whether it is cold or warm. The problem persists even after replacing spark plugs and ignition ...
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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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1992 Subaru Loyale Fuel Pump System Diagnosis
1992 Subaru Loyale
The owner reports that after replacing the fuel pump and relay, the fuel system on their 1992 Subaru Loyale wagon still does not operate. They suspect...
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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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Intermittent Stalling Issue in 1997 Dodge Caravan
1997 Dodge Caravan
The owner reports that the 1997 Dodge Caravan runs well for a while but then behaves as if it has run out of fuel. To reset it, the owner disconnects ...
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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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Timing Belt and Water Pump Replacement Recommendation
1998 Dodge Neon
The owner recently purchased a 1998 Dodge Neon coupe with a 2.0L DOHC engine. It has 69,593 miles now, having increased from 67,108 miles since purcha...
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1998 Jeep Wrangler Fuel Pump Diagnosis
1998 Jeep Wrangler
The owner replaced the fuel pump and sending unit on their 1998 Jeep Wrangler due to a code for bad fuel level. After the replacement, the vehicle won...
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2000 Suzuki Grand Vitara White Smoke Diagnosis
2000 Suzuki Grand Vitara
The owner reports seeing white smoke coming from the tailpipe when starting the vehicle. They haven't performed a tune-up recently and are hopeful for...
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Intermittent Stuttering During Acceleration
2009 Saturn Aura
The owner reports that the 2009 Saturn Aura with a 2.4L engine experiences stuttering while gently accelerating, particularly noticeable between 45-75...
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Chevy S-10 Knocking After Intake Gasket Replacement
1994-2004 Chevrolet S-10
The owner changed the intake gaskets on their Chevy S-10, but now experiences a loud knocking noise from the engine. They encountered issues with the ...
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Excess Gas in Cylinder Head Diagnosis for Mazda 626
1998-2002 Mazda 626
The vehicle owner reports an issue with excess gasoline in the cylinder head of a Mazda 626. Previous repairs included fixing the head, replacing the ...
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1991 Pontiac Firebird Fuel Pump Stays On
1991 Pontiac Firebird
The owner reports that the fuel pump in their 1991 Pontiac Firebird continues to run even when the ignition key is removed. They have already checked ...
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1991 Buick Skylark V6 3300 Won't Run Diagnosis
1991 Buick Skylark
The owner reports that their 1991 Buick Skylark with a V6 3300 engine won't run after sitting for two years. The car cranks but immediately shuts off....
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Vapor Lock Issue on 1940 Ford with Chevy 502 Engine
1940 Chevrolet 502 Engine
The owner of a 1940 Ford Deluxe with a Chevy 502 crate engine is experiencing stalling issues when the engine temperature gauge reads 195-200°F. Despi...
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1987 Chevy Blazer Fuel Delivery Issue
1987 Chevrolet Blazer
The owner reports that their 1987 Chevy Blazer was initially not delivering fuel to the engine. After replacing the fuel pump, fuel flow was restored,...
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Page 9 of 13 - Showing specific automotive problem analysis cases