Tag Repair Cases

BMW 545i Lit Every Warning and Would Not Respond: The Alternator Spiked Above 17 Volts

Follow a BMW 545i warning storm and intermittent no-crank to an alternator that spiked above 17 volts.

See why an A/C system had pressure but no cold air when a painted fan ground rose to 8 volts under load.

Separate a Vauxhall Vectra's original ECU-related no-crank from a second no-start introduced by a noisy reconditioned starter.

Follow a Subaru P0302 that appeared only warm at idle from three unsuccessful parts to zero cylinder-two inlet-valve clearance.

See how physically compatible but electrically wrong 44-pole rear hubs caused low-speed ABS intervention on a Subaru Legacy.

See why a Range Rover Sport's intermittent hard brake pedal passed one basic test yet failed vacuum build, hold and repeated-pedal checks.

Follow a diesel Nissan X-Trail hot-load stall from injector-group codes to one internally leaking cylinder-three piezo injector.

Follow a Mazda CX-3 no-audio complaint from a hidden U0184 and biased local CAN to a DAB amplifier that pulled the entertainment network down.

See how a 2007 Honda CR-V's full-throttle surge was traced to an aftermarket fuel-rail tuning box rather than a failed high-pressure fuel system.

See why a Ford Focus P0480 overheated at idle even after fan replacement: a corroded control wire passed continuity but failed in operation.