Diagnosis

Found 5 articles

Other Symptom Guide

Burning Oil Smell Engine Reliability: Common Problems & Repair Cost Guide ($3,000 - $10,000+)

Why does your luxury car smell like burning oil? From BMW valve cover gaskets to Porsche RMS failures, diagnose the smell before a catastrophic fire or engin...

Other Symptom Guide

Engine Knocking Noise Luxury Car Reliability: Common Problems & Repair Cost Guide ($5,000 - $25,000+)

Diagnose an engine knocking or ticking sound on cold start in a luxury car. From BMW S65/S85 rod bearings to Porsche bore scoring, learn the symptoms and risks.

Other Symptom Guide

Rough Idle Luxury Engine Reliability: Common Problems & Repair Cost Guide ($3,000 - $10,000+)

A rough idle on a modern luxury car is never just 'bad gas.' Learn the difference between failing engine mounts, misfires, and catastrophic vacuum leaks on A...

Other Symptom Guide

Is Turbo Whistle Sound Meaning Reliability: Common Problems & Repair Cost Guide ($5,000 - $25,000+)

Why does your twin-turbo luxury engine sound like a police siren? Learn the difference between a normal spooling sound and a $10,000 catastrophic turbo failure.

Other Symptom Guide

White Smoke from Exhaust Reliability: Common Problems & Repair Cost Guide ($5,000 - $25,000+)

Is the massive cloud of white smoke from your tailpipe a harmless cold start, a $10,000 turbo seal failure, or a blown head gasket? Diagnose your luxury car ...