2016–2020 Mazda MX-5 A/C Blows Warm? Inspect the High-Side Pipe Before Recharging
Diagnose warm A/C on a 2016–2020 Mazda MX-5 through charge evidence, the named high-side pipe inspection, operating data, and a disciplined exit branch.
Tag Problem Library
Kia P0087 or Hesitation Under Acceleration? Compare Fuel Pressure at Two Points
Locate Kia P0087 or acceleration hesitation by comparing fuel pressure at two physical points instead of replacing the part named by the code.
Subaru Battery Dies Overnight? Prove the Draw Before Blaming the DCM
Diagnose a Subaru battery that dies while parked with a timed sleep-state current ledger, battery tests, circuit isolation, and DCM evidence gates.
Kia Coolant Smell, Leak, or Overheating? Check WTY039 Before Teardown
Navigate Kia WTY039 for coolant smell, loss, or overheating with exact model/production scope, containment testing, combustion evidence, and dealer handoff.
Hyundai N P1326 After a Car Wash or Heavy Rain: Listen Before Clearing
Diagnose Hyundai N P1326 after rain or a car wash by separating engine-noise risk from the TSB 24-EM-010H knock-sensor connector water path.
Honda Pilot or Odyssey P0301–P0304? Photograph the Oil-Fouled Plug
Diagnose Honda Pilot/Odyssey P0301–P0304 with cylinder-labeled plug evidence, spark comparison, compression, oil-use history, and warranty-extension scope.
Ford Hard Start After Refueling With P1450? Follow the Vapor Timeline
Use the gas-station timeline, Ford TSB 16-0075 scope, purge-state evidence, and controlled smoke testing for hard starts after refueling with P1450 or P0456.
2021 Ram 1500 Soft Brake Pedal or Service Brakes Message: Check W82
Evaluate a 2021 Ram 1500 soft pedal or Service Brakes message through W82 VIN scope, front-caliper identification, leak evidence, repair, and bleed verification.
2019–2021 Toyota RAV4 Wet Headliner? Trace the Roof-Rail Leak First
Trace a 2019–2021 Toyota RAV4 wet headliner through roof-rail scope, water mapping, panoramic-roof exclusion, hidden moisture, and controlled verification.
2017–2020 Mazda CX-5 No Crank With P0615 or B112A: Ask About Glass Work
Diagnose a 2017–2020 Mazda CX-5 no-crank after glass work by preserving codes, tracing water to connector C-04, testing known circuits, and repairing the entry path.