Fuel System & Pump Issues Analysis Cases

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

1998 Dodge Caravan Water Pump Replacement Procedure
1998 Dodge Caravan
The owner of a 1998 Dodge Caravan with a 2.4L engine is seeking assistance to replace the water pump. They are unsure of the exact location of the pum...
Dodge Caravan water pump
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Intermittent Stalling Issue in 1997 Jeep Cherokee
1997 Jeep Cherokee
The owner of a 1997 Jeep Cherokee reports intermittent stalling while driving at 10-30 mph. The RPMs unexpectedly drop to idle without releasing the g...
Jeep Cherokee intermittent stalling
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1999 Ford Expedition Missing on Cylinder No. 6
1999 Ford Expedition
The owner reports that their 1999 Ford Expedition is experiencing a misfire on cylinder number 6, especially noticeable at low idle. They have replace...
Ford Expedition misfire
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2000 Chevy Blazer Fuel Pump Issues Analysis
2000 Chevrolet Blazer
The owner reports experiencing repeated fuel pump failures in their 2000 Chevy Blazer, having replaced the pump four times in the past year and a half...
Chevrolet Blazer fuel pump
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1999 Oldsmobile Alero P1632 Anti-Theft Fuel Disabled
1999 Oldsmobile Alero
The vehicle owner attempted to clear a mouse nest from the blower cage, which required removing the BCM from under the dashboard. During the process, ...
Oldsmobile Alero P1632
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Diagnosing Power Steering Pump Removal for Water Pump Replacement
1988 Ford Bronco
The owner is attempting to replace a leaking water pump on a 1988 Ford Bronco. They have successfully removed most components but are struggling to de...
Ford Bronco Water Pump
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No Fuel Supply to Engine on 1988 Volvo 740
1988 Volvo 740
The owner reports that the 1988 Volvo 740 is experiencing a no-start condition due to lack of fuel reaching the engine. The issue occurs consistently ...
fuel_system relay diagnostics
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1993 Saturn SL1 Flooding and Stalling Diagnosis
1993 Saturn SL1
The owner is experiencing flooding and stalling issues with their 1993 Saturn SL1 (1.9L, 206,000 miles). After replacing the fuel injector, coolant te...
Saturn fuel system flooding
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1994 BMW 325 Random Stalling and Instant Shutdown
1994 BMW 325
The owner describes their 1994 BMW 325 stalling unexpectedly while driving. The engine occasionally dies without any warning, even at speeds of 40 mph...
BMW 1994 stalling
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1995 GMC Jimmy Bad Idle Diagnosis
1995 GMC Jimmy
The owner of a 1995 GMC Jimmy with a 4.3 Vortec CPI engine, having 163,000 miles, reports poor idle quality. The vehicle experiences rough idling, and...
GMC Jimmy idle issue
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2000 Dodge Dakota Running Rough and Stalling Issues
2000 Dodge Dakota
The owner reports that their 2000 Dodge Dakota with a 4.7L engine and 192,000 km suddenly started running very roughly after a quick stop. They manage...
Dodge Dakota P0202
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1999 GMC Sierra Low Idle and Rich Running Diagnosis
1999 GMC Sierra
The owner reports that their 1999 GMC Sierra is experiencing low idle, running rich, and is unresponsive when revving. The issue has escalated to a po...
GMC Sierra MAF
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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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1994 Chevy S-10 P/U Intermittent Stalling Issues
1994 Chevrolet S-10
The owner of a 1994 Chevy S-10 P/U with a 4.3L Vortec engine (115,000 miles) reports intermittent stalling while driving. Sometimes, the vehicle resta...
Chevrolet S-10 Vortec
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Intermittent Stalling Issue on 2002 Saturn L200
2002 Saturn L200
The owner's 2002 Saturn L200 has started stalling while driving on the highway. This issue first occurred when the owner's wife was driving on the int...
Saturn L200 stalling
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94 Jeep Wrangler Intermittent Cutting Out Issues
1994 Jeep Wrangler
The owner recently purchased a 1994 Jeep Wrangler with an automatic transmission and a 2.4L 4-cylinder engine, believed to have over 100,000 miles on ...
Jeep Wrangler fuel system
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1991 Mazda B2600 Stalling When Accelerating
1991 Mazda B2600
The owner describes a problem with their 1991 Mazda B2600 where the engine idles fine in neutral but sputters and drops to about 200 RPM when the acce...
Mazda B2600 stalling
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Intermittent Stalling and Idle Control Issues
2000 Peugeot 206
The owner reports that their 2000 Peugeot 206 with a 1.4L engine has been experiencing issues over the past week where it fails to hold revs upon star...
Peugeot 206 idle control
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