Fuel System & Pump Issues Analysis Cases

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

Dodge 2.5 Engine Compatibility and Head Gasket Issues
1990 Dodge Daytona ES
The owner has a 1990 Dodge Daytona ES equipped with a 2.5-liter engine, suspecting a blown head gasket. Instead of replacing the head gasket, they are...
Dodge 2.5L Engine Head Gasket Replacement
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1992 Chevy Suburban Hissing Noise After Shutdown
1992 Chevrolet Suburban
The owner reports a persistent hissing noise coming from under the truck after turning off the engine. This noise continues even when the truck is tur...
Chevrolet Suburban hissing noise
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1992 Toyota Corolla Metallic Grinding Noise Diagnosis
1992 Toyota Corolla
The owner reports that their 1992 Toyota Corolla has developed a metallic grinding noise that is most noticeable while idling in any gear (Park, Neutr...
Toyota Corolla metallic noise
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1991 Jeep Wrangler Cutting Out During Load
1991 Jeep Wrangler
The owner reports that their 1991 Jeep Wrangler intermittently cuts out or loses power, particularly under load or while driving. They noted that if t...
Jeep fuel system stalling
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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 ...
fuel pump oil pressure switch relay
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1994 Ford Ranger Truck Stalls after 15-20 minutes
1994 Ford Ranger
The owner reports that their 1994 Ford Ranger stalls after running for 15-20 minutes. Previous repairs include replacing the cam position sensor, cran...
Ford Ranger stalls
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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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Power Steering Pulley Removal Issues on 1994 Chevy 1500
1994 Chevrolet 1500
The owner of a 1994 Chevy 1500 truck is struggling to remove the power steering pulley to replace the pump. Despite using a gear puller, the pulley re...
power_steering pulley_removal Saginaw_pump
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1994 Chevy Suburban Fuel Relay Not Activating
1994 Chevrolet Suburban
The owner reports that their 1994 Chevy Suburban is not priming the fuel pump through the relay. They have already replaced the fuel relay and its plu...
fuel_relay PCM diagnostic_steps
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1998 Ford Ranger Persistent Idle and Power Issues
1998 Ford Ranger
The owner reports that their 1998 Ford Ranger with a 2.5L 4-cylinder engine idles roughly and exhibits low idle speeds, nearly stalling. After startin...
Ford Ranger idle issues
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Fuel Pump Not Getting Power After Replacement
unknown Ford unknown
The vehicle was taken to a Ford garage where the fuel pump was diagnosed as faulty and subsequently replaced. However, the car still won't start. To t...
fuel pump relay diagnostics
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2002 BMW 325ci Dash Lights Out and Fuel Issues
2002 BMW 325ci
The owner reports that the dashboard lights went out and the car stopped running, similar to a situation where it isn't getting fuel. They replaced th...
BMW fuel system diagnostics
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Electrical Harness Repair for 1995 Pontiac Firebird
1995 Pontiac Firebird
The owner of a 1995 Pontiac Firebird with a 3.4L engine reported that the vehicle was parked due to a flat tire, and mice chewed through the wires in ...
Pontiac Firebird wiring harness
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2002 GMC Sierra Fuel Pump Problem Diagnosis
2002 GMC Sierra
The owner's son’s 2002 GMC Sierra experienced starting issues, prompting the replacement of the fuel pump. Prior to this, the owner checked the fuel p...
GMC Sierra fuel pump
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Service Soon Light Activation on 1984 Cadillac DeVille
1984 Cadillac DeVille
The owner has a 1984 Cadillac DeVille Limo that generally runs well. However, after a few minutes of driving, the 'Service Soon' light comes on for ab...
Cadillac DeVille Service Light
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1998 Kia Injector Problem Diagnosis
1998 Kia Sephia
The owner reports their 1998 Kia Sephia runs fine when cold but stalls after about 10 minutes of warm-up at idle. It restarts immediately but dies wit...
Kia Sephia Injector
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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 ...
Dodge Caravan stalling
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1981 Toyota Pickup Oxygen Sensor Diagnosis
1981 Toyota Pickup
The owner attempted to replace the oxygen sensor on their 1981 Toyota Pickup SR5 but couldn't locate it. They noticed a blank spot on the intake manif...
Toyota Pickup Oxygen Sensor
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