Lighting System Problems Analysis Cases
Analysis of headlight, taillight, and other automotive lighting system issues.
Intermittent Check Engine Light - P0125, P0141, P1811 Codes
1998 Oldsmobile Intrigue GLS
The owner of a 1998 Oldsmobile Intrigue GLS with 167,000 miles reports that the check engine light illuminated. After taking the vehicle to Firestone ...
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Intermittent Check Engine Light Blinking Issue
1993 Toyota Corolla
The owner reports that their 1993 Toyota Corolla GLi has started to experience a fast blinking check engine light intermittently over the last three d...
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1998 Honda Accord Check Engine Light Diagnosis
1998 Honda Accord
The owner of a 1998 Honda Accord reports that the check engine light is illuminated. After a recent starter replacement, they suspect a vacuum line ma...
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2000 Isuzu Rodeo Check Engine Light Diagnosis
2000 Isuzu Rodeo
The owner has a 2000 Isuzu Rodeo with a V-6 engine and automatic transmission. The Check Engine Light has been illuminated for an extended period, but...
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2005 Chevrolet Avalanche Headlight Mystery
2005 Chevrolet Avalanche
The owner reports that the high beams of their 2005 Chevrolet Avalanche activate when the ignition is turned off, regardless of daytime or nighttime c...
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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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2006 Toyota Tundra Gauge Cluster Backlight Issues
2006 Toyota Tundra
The gauge cluster backlight and A/C knob lights on my 2006 Toyota Tundra are completely out. I tried adjusting the dimmer switch and checking the fuse...
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2005 Subaru Legacy Backup Lights Electrical Issue
2005 Subaru Legacy
The owner of a 2005 Subaru Legacy (non-turbo, automatic) reports that the backup lights are not functioning. They've replaced fuses #18 and #8, and ch...
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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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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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2002 Jeep Liberty: Check Engine Light and Black Smoke
2002 Jeep Liberty
The owner reports that their 2002 Jeep Liberty is experiencing a flashing check engine light, accompanied by black smoke from the tailpipe. The vehicl...
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2006 Jeep Cherokee Fog Light Diagnostics
2006 Jeep Cherokee
The owner of a 2006 Jeep Cherokee reports that the fog lights are not functioning. They initially did not have a relay or fuse in position #15, which ...
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Headlight Wiring Issues Diagnosis
2005 Suzuki Forenza
The owner of a 2005 Suzuki Forenza is experiencing complete loss of headlight functionality, while bright lights and parking lights are operational. T...
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Engine Light and Heater Issues in Peugeot 307
2001-2008 Peugeot 307
The owner of a Peugeot 307 1.4 petrol reports that the engine management light began flashing upon purchase, indicating issues with the catalytic conv...
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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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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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TPMS Light Stays On After Tire Rotation
2008 Kia Optima
The vehicle owner reports that after rotating the tires on their 2008 Kia Optima, the TPMS (Tire Pressure Monitoring System) light remains illuminated...
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2005 Chevy Equinox Fuse Keeps Blowing, No Start Issue
2005 Chevrolet Equinox
The owner of a 2005 Chevy Equinox reports recurring issues with a blown fuse that controls the backup lights. Each time they attempt to start the vehi...
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