: Check for white "steam" from the exhaust, which can indicate a cracked cylinder head at the turbo bolt. Inspect the coolant degas bottle and heater hoses for leaks, as these are prone to cracking and O-ring failure.
: Request a compression test . Piston ring land failure is a known risk, especially on modified cars, manifesting as misfires, smoke from the exhaust, or heavy knocking at startup. what to look for when buying a ford focus st
When buying a used Ford Focus ST , your inspection should focus on identifying common mechanical issues like , purge valve failure , and transmission synchronizer wear , while also verifying if the car has been "abused" by previous owners. 1. Critical Mechanical Checks : Check for white "steam" from the exhaust,
: A failing purge valve causes rough idling or stalling after refueling and can eventually deform the fuel tank. Piston ring land failure is a known risk,
: Be wary of cars that have been floored at low RPM in high gears, which can destroy pistons. 2. Suspension & Bodywork What to look for when buying a used focus?