Driving down the A1M this morning and 3.5 hours in the engine (02 Mondeo 2.0 TDCi) lost power and the glowplug light came on. Dropped gears and speed and coasted to a halt on the hard shoulder. Turned off, swore a couple of times and then tried restarting - Perfect, instant start and normal power back, completed the journey without further incident.

Any ideas what might cause that?

I suspect it did it 30k miles ago soon after I got the car, but assumed I'd stalled the engine (it was late and I was 2 miles from home that time so I didn't investigate). It's been fine since.

ait flow meter ?

It could be possessed by the devil

I recommend an exorcism, quickly before it starts steering at old granny’s

you'll have to call 118118 for a local exorsist

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Originally posted by graememk
you'll have to call 118118 for a local exorsist

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ECU likely picked a spurious error code --- might happen again might not a lot of the this type of stuff happens on modern car crazy --- typically it might be turn signals or wipers that switch themselves on and won't switch off. Usual cure is to turn off the ignition and restart or if that fails turn the engine off and leave the car for a couple of minutes so all the ECUs go into sleep mode.

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Originally posted by britishtrident
ECU likely picked a spurious error code --- might happen again might not a lot of the this type of stuff happens on modern car crazy --- typically it might be turn signals or wipers that switch themselves on and won't switch off. Usual cure is to turn off the ignition and restart or if that fails turn the engine off and leave the car for a couple of minutes so all the ECUs go into sleep mode.

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Originally posted by Mr Whippy
my Vectra use to switch on the wipers all by itself, just driving along and on they'd come, stupid car.

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Originally posted by Mr Whippy
It could be possessed by the devil

I recommend an exorcism, quickly before it starts steering at old granny’s

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Hi, I had this problem a few times on my focus tdci. If you google the problem you will see that there are a number of possibilites including faulty throttle position sensor (pedal), crankshaft sensor or swarf from the diesel pump. I think all these lead to an error being detected as noted above causing the ECU to throw a wobbly.

Interestingly the problem has not reoccurred since I had a new engine loom installed. I needed this because of corrosion which was causing all sorts of other electrical problems. It did however cost £900 to fix at the Ford main stealer.

Simon