Electrical System Fault Analysis Cases
Complete database of electrical system problems including battery issues, charging system failures, lighting problems, and sensor diagnostics.
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1996 Acura RL Cruise Control Diagnostic Analysis
1996 Acura RL
The owner reports that the cruise control system on their 1996 Acura RL is inoperative. The issue manifests itself when attempting to engage the cruis...
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1999 Honda Accord - Multiple Trouble Codes and Smell
1999 Honda Accord
The owner of a 1999 Honda Accord LX with a 4-cylinder manual transmission reports several trouble codes after a scan. They describe a strong acrid sme...
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Failed Smog Inspection: EGR and O2 Sensors Not Ready
1997 Ford Taurus
The owner has a 1997 Ford Taurus with a 3.0L engine and 151,000 miles. After a recent smog inspection, the vehicle passed all tests except the functio...
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2000 Toyota 4Runner Running Rough After Sensor Replacement
2000 Toyota 4Runner
The owner reports that their 2000 Toyota 4Runner with a 3.4L V6 engine is running rough, especially when warmed up. The check engine light was on, and...
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1989 Suzuki Vitara Temperature Gauge Issue
1989 Suzuki Vitara
The owner of a 1989 Suzuki Vitara reports that the temperature gauge was initially not functioning. After replacing the sender, the gauge is now opera...
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1999 GMC Sonoma Fuel Gauge Level Misreading
1999 GMC Sonoma
The owner reports that after replacing the fuel pump and sending unit, the fuel gauge still reads incorrectly. Initially, when the ignition is turned ...
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ECU Diagnosis for Toyota 4Runner with DTC Code 11
unknown Toyota 4Runner
The technician is facing an issue with a Toyota 4Runner SR5 that does not reach a negative signal on the injectors, preventing the vehicle from starti...
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O2 Sensor Issue on 2000 Chevy S-10 with 4.3L Engine
2000 Chevrolet S-10
The owner of a 2000 Chevrolet S-10 with a 4.3L engine reports that the check engine light is illuminated. A code reader indicated a fault with the O2 ...
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2003 Dodge Intrepid Battery and ABS Light Issues
2003 Dodge Intrepid
The owner reports that their 2003 Dodge Intrepid was running well until the battery light illuminated, followed by the ABS light while driving. The ra...
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2003 Lexus GX 470 Check Engine Light and Suspension Issue
2003 Lexus GX 470
The owner of a 2003 Lexus GX 470 reports that the check engine light, along with VSC and VSC TRAC lights, illuminated. After clearing the codes, the l...
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Hyundai Accent Poor MPG and Acceleration Issues
2002 Hyundai Accent
The owner reports their 2002 Hyundai Accent 1.6L automatic, with 103,000 miles, is experiencing terrible gas mileage, averaging about 20 MPG regardles...
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1999 Pontiac Grand Am Electrical Issues Diagnosis
1999 Pontiac Grand Am
The owner reports electrical issues with their 1999 Pontiac Grand Am equipped with a 2.4L Twin Cam engine. The 'Trac Off' light and 'Service Engine' l...
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1998 Cadillac STS Intermittent Check Engine Light Issue
1998 Cadillac STS
The owner has been experiencing an intermittent check engine light on their 1998 Cadillac STS for over a year. They report that the vehicle shows code...
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1999 Honda Accord Speed Sensor Diagnostic Analysis
1999 Honda Accord
The owner of a 1999 Honda Accord with a F18B SOHC VTEC engine is experiencing speed sensor issues. Symptoms include erratic speedometer readings and p...
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2002 Dodge Ram No Start Issue After Sudden Shutdown
2002 Dodge Ram
The owner describes that while driving, the 2002 Dodge Ram was operating normally but the next morning it would not start. The engine cranks slowly an...
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1996 Ford Taurus Engine Light After Cam Sensor Replacement
1996 Ford Taurus
The owner reports that the check engine light illuminated after replacing both cam sensors on their 1996 Ford Taurus. Despite the replacement, the tro...
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2003 Jeep Wrangler Gauge Light Issue After Alternator Short
2003 Jeep Wrangler
The owner accidentally shorted the alternator while working on the engine, resulting in a damaged regulator casing. After testing the alternator under...
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1995 Toyota Truck 22RE Oxygen Sensor Diagnostics
1995 Toyota Truck
The owner recently purchased a 1995 Toyota Truck with a 22RE engine and 105,000 miles. The check engine light has been illuminated since the previous ...
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Page 12 of 14 - Showing automotive fault analysis cases