Lighting System Problems Analysis Cases

Analysis of headlight, taillight, and other automotive lighting system issues.

2008 Pontiac Wave Front Headlight Wiring Issue
2008 Pontiac Wave
The owner reports that the front headlights of their 2008 Pontiac Wave are malfunctioning. The dealership advised that the wiring harness needs replac...
headlight wiring Pontiac Wave high resistance
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Service Engine Light On - BMW 525i Diagnostics
2006 BMW 525i
The owner of a 2006 BMW 525i reports that the service engine light has illuminated after recently having the vehicle serviced. Additionally, the outsi...
BMW OAT Sensor Service Engine Light
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Intermittent Power Loss with Flashing Check Engine Light
2003 Jeep Liberty
The owner reports that after replacing the thermostat on their 2003 Jeep Liberty 3.7L V6, the check engine light began flashing and the vehicle experi...
Jeep Liberty V6
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2001 Ford F-150 Oil Temp Light Issue
2001 Ford F-150
The owner recently drove over a rough patch due to bad weather and after returning home, noticed the Oil Temp light illuminated and the oil pressure g...
oil_pressure sending_unit diagnostics
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Check Engine Light On, Speedometer and Gas Gauge Inoperative
2003 Saturn Vue
The owner reports that their 2003 Saturn Vue, which usually runs well, has had the check engine light come on, and both the speedometer and gas gauge ...
Saturn BCM speedometer
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Toyota Hilux Surf Diesel Engine Bogging Down Issues
1990-1997 Toyota Hilux Surf
The owner of a Toyota Hilux Surf (2.4L diesel) reported that after a mechanic replaced the fuel pump and glow plugs, the vehicle now starts fine. Howe...
Toyota Hilux Surf diesel
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Orange Warning Light Diagnosis on 2007 Ford Fiesta
2007 Ford Fiesta
The owner of a 2007 Ford Fiesta reports seeing an orange warning light featuring an exclamation mark on the dashboard. They have run diagnostics multi...
Ford Fiesta warning light
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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 ...
O2 Sensor Check Engine Light Cooling System
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2002 Saturn SL1 Check Engine Light Diagnostics
2002 Saturn SL1
The owner of a 2002 Saturn SL1 reports that after changing the spark plugs and wires, the check engine light stayed off for three weeks. However, afte...
Saturn SL1 check engine light
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Dodge Neon Rough Idle and Misfire Diagnosis
2005 Dodge Neon
The owner reports that their 2005 Dodge Neon has a check engine light on and is running rough. The vehicle experiences misfiring and difficulties shif...
Dodge Neon MAF
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2002 Mitsubishi Galant Check Engine Light Diagnostics
2002 Mitsubishi Galant
The owner of a 2002 Mitsubishi Galant is frustrated with a recurring check engine light. The vehicle experienced stalling and has had multiple parts r...
Mitsubishi Galant Check Engine Light
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2001 Isuzu Rodeo Random Misfire Diagnosis
2001 Isuzu Rodeo
The owner of a 2001 Isuzu Rodeo with a V6 engine and automatic transmission reports sporadic activation of the check engine light. Each occurrence tri...
Isuzu Rodeo random misfire
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