Inadequate heat shield above catalytic converter could overheat.
Engine & cooling
Porsche 928 Engine problems by year
2 complaints filed with NHTSA about the Porsche 928's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
Engine recalls
The engine carrier has a faulty weld to the support bracket eyes. Consequence of defect: the weld could...
Covers1985 Porsche 928
Latest 928 engine complaints
Major engine damage, engine had to be replaced. Two cylinders broken. Detected cause for the engine failure: bad assembly of the water pump when car was manufactured in 1993. Efect of this bad water pump assembly was a constant overheating of the engine which finally led to a complete engine failure due to constant overheating (not shown on the control panels). *Ak
Catalytic converter overheated/heat shield failed t0 provide adequate protection to engine from heat, resulting in a fire prior to recall (89v-106). *Ak
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data