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TechCurtis, UK Ford Car Mechanic
Category: UK Ford
Satisfied Customers: 1671
Experience:  Qualified Automotive Mechanic, LPG & Airconditioning Diagnostic Technician.
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have immobiliser problem on mk4 fiesta van 1.8d it wont start

Customer Question

have immobiliser problem on mk4 fiesta van 1.8d it wont start when cold outside and flashes constantly. It works fine when weather is good.?
Submitted: 4 years ago.
Category: UK Ford
Expert:  TechCurtis replied 4 years ago.
Try getting a hand towel and soaking it in hot water. Place the hot wet towel over the engine computer located in the engine bay when it's cold and won't start. Wait 30 seconds and see if it will start, If it does then the engine computer has an internal fault and will require replacing. ECU faults like this can be common on this desiel system.