Diagnosed and repaired a P0299 turbo underboost fault and coolant loss on a Porsche Cayenne. Full inspection of the turbocharger, boost lines, and coolant system — restored to factory performance.

Complete engine replacement on a Mercedes-Benz C300 with M274 cylinder 1 piston failure. Full teardown, OEM-spec rebuild, and dyno verification — all under $8,000.