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Ford KA check engine light flashing

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Lindanavie | 11:06 Tue 04th Dec 2012 | Motoring
11 Answers
My Ford KA has been juddering during acceleration and then the the check engine light flashes amber a few times and then the lights goes off. Can anyone please offer any advice as to what the problem could be?
Thanks
L
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It's likely to be an ignition problem. When you accelerate, the petrol-air mixture is richer, and you need a bigger voltage across the spark plugs to get a spark. This can cause a high voltage short circuit across the ignition leads and misfiring. Try drenching the ignition leads and distributor with WD 40 spray. If there's still no joy try changing the spark...
15:55 Tue 04th Dec 2012
Could be anything. Take it in sooner rather than later. When it happened to mine it was the sensor.
Question Author
How much it cost to repair?
L
I can't remember. About £200.

You might not have the same problem though. They'll put it on the machine thingy and it will bring up any faults. It will cost much more if you break down...
Question Author
Cheers, will do.....
What ummmm means is to get a garage to plug in a diagnostic reader which should tell you what is wrong with it as it could be anything.
Diagnostic....that's the word I couldn't remember :-)
Question Author
got a mechanic coming out this afternoon to run a diagnostic check for me. I'll keep you updated...
It's likely to be an ignition problem. When you accelerate, the petrol-air mixture is richer, and you need a bigger voltage across the spark plugs to get a spark. This can cause a high voltage short circuit across the ignition leads and misfiring. Try drenching the ignition leads and distributor with WD 40 spray. If there's still no joy try changing the spark plugs. The spark plugs are difficult to remove from the Duratec-engined KAs and you might want a garage to do it for you.
The engine management light on my VW Polo kept coming on and the engine began misfiring. I was advised to check the plugs even though they had only done 17k miles (40k claimed by manufacturer). On removal three plugs were very worn, with wide gaps. New ones fitted and performance restored and engine management light out. Worth a try.

Good luck.

D
Question Author
got a mechanic to run a diagnostic on it and PO134 HO2 Sensor and PO302 Missfire Cyl 2 showed up. Anymore advise would be greatly appreciated
Miss fire on cylinder 2, same fault as on my kids ka, faulty coil to blame cost 80quid

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