What is the cause for a red triangle and spanner to
come up on the dash ' and the car still goes fine '
this is on to a Ford Mondeo 20lt deasel ' 2013
The malfunction light and powertrain light (spanner) may illuminate due to many reasons and may include engine, exhaust system, transmission, drive shaft, suspension, wheels, glow plugs (if diesel) and catalytic converter. Vehicle is safe to drive though diagnostic equipment is required from a technician to correctly diagnose and fix the issue.
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