C-Max 2.0Tdci Lumpy On Acceleration
Posted 22 October 2012 - 02:40 PM
New to the forum and to fords in general my last ford was a mk5 escort cabriolet.
I purchased a top spec ghia C-max 2.0tdci 2005 a few weeks ago and experiencing so running issues car starts and runs fine at tickover hot and cold its only when revved above a 1000rpm it sounds like its missing running on three cylinders. There is no smoke, power seems 100% with masses of torque even on full boost it feels like its on three cylinders lumpy, fuel economy normal.
Any ideas, i suspect, egr, fuel injector, or clutch, or a combination of all three.
No warning lights on. HELP HELP.
Posted 22 October 2012 - 03:14 PM
If that doesn't help maybe check the condition of air and fuel filters.
When did the vehicle last have a service?
It could also be the cam position sensor which controls the fuel injection rate.
Any of these could cause lumpy running but I'd say give it a good service if not done within the last 6000 miles and see how you go from there.
Posted 07 December 2012 - 10:54 PM
Ford diagnostic checks showed nowt....very frustrating for everyone..untill today that is.
Went out today,dual carriageway, the car gave about six judders straight after each other (usually does one). I pulled on to a side road and then on came the warning message....engine malfunction and limp home mode was engaged. Without turning the engine off, I phoned the ford dealership and said the problem had gone live, he said get the car to him without turning off the engine. I did so with a struggle.
The mechanic quickly came over with the diagnostic kit and yippeeeeeee, number three injector open circuit.....at last you bar steward i thought " you've shown itself". The fix takes place next week.
Hope this helps others who feel they may have a diesel miss fire.
Posted 20 December 2012 - 09:34 AM
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