What people keep running into with mechanic advice
Complaints tagged mechanic advice, each raised by more than one person. One-off posts are not included.
64 recurring problems · 805 people · 12 forums we read
Raised more than once
Most people first.
- 2Engine replacement vs head gasket repair costA blown head gasket can cost around $1,500 to fix, but severe overheating damage may require a full engine swap jumping the bill closer to $5,000. Deciding between the two depends on whether the underlying block is warped or damaged, forcing car owners to weigh a costly repair against a total replacement before committing funds.
- 2Cylinder misfire and white smoke from exhaustAn engine misfire persisting on the same cylinder despite replacing spark plugs and checking coils, combined with white exhaust smoke, typically indicates coolant entering the combustion chamber. This can foul the spark plug and lead to ongoing misfires and smoke.
- 2Why does my car take so long to start after sitting?Vehicles can take several seconds to turn over after sitting for a few hours, leaving drivers worried about reliability and whether the car is about to stop working entirely. This prolonged cranking creates constant stress about getting stranded despite the engine eventually starting.
- 2Cracked engine head while torquing oil pressure sensorOvertightening or stressing the threads while replacing an oil pressure sensor can crack the engine cylinder head, causing persistent oil leaks. While some drivers resort to temporary fixes like epoxy to seal the area, a cracked head ultimately threatens the structural integrity of the engine block and requires a permanent repair or replacement.
Comes up alongside
Topics that keep appearing on the same problems — not topics with similar names.