ConeyGreen Posted June 11, 2010 Share Posted June 11, 2010 2002 Mk5 Fiesta Ghia 1.25 only done 26k miles. Fully dealer maintained. Just reached it's 8th birthday. Engine Management Warning light came on - straight to the Main Dealer. Problem diagnosed as the coil - replaced coil & plugs. 25 mile on, warning light returned. diagnosed air intake sensor - replaced. 75 miles later, warning light returned. diagnosed failed hega sensor. replaced - made no difference. Diagnosed wiring fault - checked all wiring, no problem. Diagnosed PCM/ECU faulty - must be replaced. I sent it away to be tested, returned not as not faulty. The main dealer now has no idea where to go next - ANYONE WITH ANY IDEAS PLEASE? Quote Link to comment Share on other sites More sharing options...
mintalkin Posted June 11, 2010 Share Posted June 11, 2010 without the codes its hard to say what the problem could be, but i would not be happy with the dealer and the lets try this attitude. Quote Link to comment Share on other sites More sharing options...
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