Symptoms — Page 2

Silverado or Sierra No-Crank With a Code Avalanche? Load-Test Grounds G132 and G134

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Silverado or Sierra No-Crank With a Code Avalanche? Load-Test Grounds G132 and G134

6 min readSep 3

2025 Bentley Sporadic AWD Warning? One Connector Can Mimic a Differential

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2025 Bentley Sporadic AWD Warning? One Connector Can Mimic a Differential

9 min readSep 2

Jeep Thermostatic-Valve Coolant Leak? Inspect Warm, Repair Cold

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Jeep Thermostatic-Valve Coolant Leak? Inspect Warm, Repair Cold

7 min readSep 2

Bronco Sport Losing Coolant? Make the Pump Prove the Leak

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Bronco Sport Losing Coolant? Make the Pump Prove the Leak

7 min readSep 2

Mercedes M260/M264 Runs Rough? Compression Screens; Leak-Down Locates

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Mercedes M260/M264 Runs Rough? Compression Screens; Leak-Down Locates

6 min readSep 2

QX60 Driver Vents Warm? Dye at the Pipe Blocks Is the Repair Gate

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QX60 Driver Vents Warm? Dye at the Pipe Blocks Is the Repair Gate

6 min readSep 2

Honda Prologue Whistles When Heat Turns Cold? Map the Transition Before Charging

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Honda Prologue Whistles When Heat Turns Cold? Map the Transition Before Charging

6 min readSep 2

Ford A/C Stops Cooling and Starts Squealing? Shut It Down Before the Belt Loses

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Ford A/C Stops Cooling and Starts Squealing? Shut It Down Before the Belt Loses

6 min readSep 2

BMW K1200 or K1300 Will Not Start Hot? Compare It With the Cold Restart

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BMW K1200 or K1300 Will Not Start Hot? Compare It With the Cold Restart

5 min readSep 2

BMW i4, i5, i7 or iX Coolant Under the Car? Check Every Changeover Valve

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BMW i4, i5, i7 or iX Coolant Under the Car? Check Every Changeover Valve

5 min readSep 2

2024–2025 Ram ProMaster Soft Brake Pedal? Do Not Overtighten the Reservoir Cap

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2024–2025 Ram ProMaster Soft Brake Pedal? Do Not Overtighten the Reservoir Cap

5 min readSep 2

Wrangler or Gladiator Leaks at the B-Pillar? Recreate the Downhill Park

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Wrangler or Gladiator Leaks at the B-Pillar? Recreate the Downhill Park

5 min readSep 2

2020–2024 Corvette Carpet Wet After A/C? Check Both Drain Leak Paths

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2020–2024 Corvette Carpet Wet After A/C? Check Both Drain Leak Paths

6 min readSep 2

Mercedes Sprinter OM654 Losing Coolant With No Puddle? Inspect the Charge-Air Cooler

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Mercedes Sprinter OM654 Losing Coolant With No Puddle? Inspect the Charge-Air Cooler

6 min readSep 2

Mercedes M139 Rough Running or Hard Start? Compare Compression Before Teardown

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Mercedes M139 Rough Running or Hard Start? Compare Compression Before Teardown

6 min readSep 2

2024–2025 Jeep Compass or Meridian A/C Blows Warm? Let the Vacuum Cycle Choose the Branch

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2024–2025 Jeep Compass or Meridian A/C Blows Warm? Let the Vacuum Cycle Choose the Branch

6 min readSep 2

2024–2025 GM LK0 Coolant Smell? Inspect the Cylinder Head Before Calling It a Hose

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2024–2025 GM LK0 Coolant Smell? Inspect the Cylinder Head Before Calling It a Hose

7 min readSep 2

2022 KTM 200 Duke Rough Idle? Check TPS Voltage at Both Ends

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2022 KTM 200 Duke Rough Idle? Check TPS Voltage at Both Ends

6 min readSep 2

2021–2025 Durango or Grand Cherokee Extended Crank? Time the Fuel-Pressure Drop

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2021–2025 Durango or Grand Cherokee Extended Crank? Time the Fuel-Pressure Drop

6 min readSep 2

2014–2019 Cadillac CTS Battery Dies? Test for Aftermarket Lamp Backfeed

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2014–2019 Cadillac CTS Battery Dies? Test for Aftermarket Lamp Backfeed

6 min readSep 2

Maserati Battery Keeps Dying? Build a Before-and-After Evidence Record

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Maserati Battery Keeps Dying? Build a Before-and-After Evidence Record

6 min readSep 2

Ducati Multistrada V4 Hard Starting or P061B? Check MAP Sensor Seating

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Ducati Multistrada V4 Hard Starting or P061B? Check MAP Sensor Seating

6 min readSep 2

2024 GM 1.2L Blue Smoke Under 2,000 Miles? Compare All Cylinders

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2024 GM 1.2L Blue Smoke Under 2,000 Miles? Compare All Cylinders

6 min readSep 2

2020–2025 Ford 6.8L/7.3L Engine Tick With a Misfire? Test the Layers in Order

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2020–2025 Ford 6.8L/7.3L Engine Tick With a Misfire? Test the Layers in Order

7 min readSep 2

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