Wrangler or Gladiator Leaks at the B-Pillar? Recreate the Downhill Park
Recreate the downhill parking condition that triggers a Wrangler or Gladiator B-pillar leak before applying the foam-pad repair.
Tag Problem Library
Hyundai 2.5L GDI P0300–P0304? Let the VIN and Code Open the Injector Branch
Use Hyundai's VIN-plus-code double lock to decide whether a non-turbo 2.5L GDI misfire enters the all-four injector replacement branch.
2020–2024 Corvette Carpet Wet After A/C? Check Both Drain Leak Paths
Follow both GM-defined condensate paths when a 2020–2024 Corvette has wet passenger carpet after A/C operation.
Acura TLX or MDX AWD Warning? Inspect Connector C125 for Corrosion
Reduce multiple Acura TLX/MDX AWD codes to the decisive inspection for water and corrosion at rear differential connector C125.
Sprinter OM654 Underboost at Altitude? Compare Source Vacuum Before Replacing the Turbo
Map OM654 underboost across altitude, shared brake demand, source vacuum, branch vacuum, software and actuator response before replacing a turbo.
Mercedes Sprinter OM654 Losing Coolant With No Puddle? Inspect the Charge-Air Cooler
Split Sprinter OM654 coolant loss among external leakage, an internal charge-air-cooler leak, and unapproved coolant-system upfits.
Mercedes M139 Rough Running or Hard Start? Compare Compression Before Teardown
Diagnose M139 rough running or hard starting with a four-cylinder relative-compression comparison and model-family engine-number clean-point gate.
2024–2025 Jeep Compass or Meridian A/C Blows Warm? Let the Vacuum Cycle Choose the Branch
Keep the 2024–2025 Compass/Meridian warm-A/C bulletin inside its market fence and use its recovery-and-vacuum pass/fail gate correctly.
2024–2025 GM LK0 Coolant Smell? Inspect the Cylinder Head Before Calling It a Hose
Diagnose coolant smell or leakage at the top of a 2024–2025 GM 2.5L LK0 engine with a four-view seepage record before calling it a hose or porous head.
2023–2024 Ford EcoBoost P0301–P0304? Let Spark-Plug Damage Trigger the Borescope
Use spark-plug damage as the evidence gate for cylinder-wall inspection on selected 2023–2024 Ford/Lincoln EcoBoost P0301–P0304 cases.