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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Master Window Switch Wiring Diagnosis for 92 Lincoln Town Car
1992 Lincoln Town Car
The owner, Jimmy, reports that the driver side front window switch needs replacement, and the old switch is not connected. He is seeking assistance wi...
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2000 Subaru Legacy Electrical Issues: Blinkers & Odometer
2000 Subaru Legacy
The owner reports that the blinkers and digital odometer on their 2000 Subaru Legacy are not functioning. The vehicle has been driven around 130,000 m...
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2000 Honda Civic Engine Light Diagnosis
2000 Honda Civic
The owner reports that the engine light illuminates after driving for about 15 minutes, once the engine reaches normal temperature. The light turns of...
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1996 BMW 328 Emission Failure Diagnosis
1996 BMW 328
The owner reports persistent emission failure in their 1996 BMW 328, despite replacing the O2 sensor and fuel pressure regulator. They are unsure if o...
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O2 Sensor Replacement for 2000 Audi A6 Avant Quattro
2000 Audi A6 Avant Quattro
The owner has a 2000 Audi A6 Avant Quattro with a 2.8L engine. They received a P0154 error code indicating 'O2 sensor circuit no activity detected.' T...
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Oxygen Sensor Diagnosis for 2001 Dodge Grand Caravan
2001 Dodge Grand Caravan
The owner of a 2001 Dodge Grand Caravan with a 3.8L engine is experiencing a persistent check engine light. After visiting AutoZone, they were informe...
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1997 Buick Skylark EGT Light on Dash
1997 Buick Skylark
The owner of a 1997 Buick Skylark reports that both the EGT light and check engine light are illuminated on the dashboard. The issue seems to arise in...
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1995 Chevy Cheyenne Electrical System Issues
1995 Chevy Cheyenne
The owner reports multiple electrical issues with their 1995 Chevy Cheyenne. Symptoms include a non-operational blower motor, malfunctioning turn sign...
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2002 Dodge Caravan P0171 Lean Condition Diagnosis
2002 Dodge Caravan
The owner of a 2002 Dodge Caravan reports that the vehicle requires multiple attempts to start before it will stay running. After the initial starting...
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2001 Ford Windstar Check Engine Light Diagnostics
2001 Ford Windstar
The owner reports that the check engine light is illuminated on their 2001 Ford Windstar. They had previously replaced the intake manifold gasket and ...
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1997 Oldsmobile Cutlass Check Engine Light Diagnosis
1997 Oldsmobile Cutlass
The owner reports that the 'SERVICE ENGINE SOON' light is illuminated on their 1997 Oldsmobile Cutlass (V6 engine, approximately 275,000 miles). They ...
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97 Crown Vic Runs Rough in Cold Weather
1997 Ford Crown Victoria
The owner of a 1997 Ford Crown Victoria (4.6L, 118,000 miles) reports that the vehicle, previously a police car from Florida, has trouble starting and...
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Ford Explorer Fuse #14 Issue After Engine Install
1998 Ford Explorer
The owner recently installed a rebuilt 4.0L SOHC V6 engine in their 1998 Ford Explorer Sport. After the installation, they are experiencing a recurrin...
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2000 GMC Jimmy ECM and Electrical Issues Analysis
2000 GMC Jimmy
The owner reports multiple electrical issues with their 2000 GMC Jimmy, suspecting a faulty engine control module (ECM). Symptoms include all dashboar...
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Odometer Dim Issue in 2005 Ford Freestar
2005 Ford Freestar
The owner of a 2005 Ford Freestar reports that the odometer is too dim to see when the car is started outside, although it is visible when started in ...
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2009 Pontiac G6 Security Light and Communication Issues
2009 Pontiac G6
The owner reports that the security light on their 2009 Pontiac G6 remained illuminated after a series of key cycles. Initially, the car also chimed a...
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Driver Side Airbag Light Code 34 Diagnosis
2005 Lincoln Town Car
The driver side airbag light on a 2005 Lincoln Town Car is flashing a code 34, which indicates a low resistance or short in the driver side airbag cir...
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Intermittent Low Beam Headlight Failure Diagnosis
2005 Buick LaCrosse
The owner of a 2005 Buick LaCrosse has reported that the low beam headlights turn off intermittently. This issue occurs unpredictably while driving an...
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