Cass asked ... Replacing full bulb housing unit in Neff oven?    |    Pádraig O Sabhain asked ... How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?    |    keith asked ... How to reset after battery change?    |    Carol asked ... How to remove roller from lawnmower?    |    Ariana Orellana asked ... Code?    |    Click here to ask your question

Why is car jumping and losing power?

Does anyone know why my ford ka 2000 W Reg would be jumping and feeling like its losing power while driving?
It all started few weeks ago when I unknowingly filled up my tank at a fuel station with dirty fuel only found out later this information. The car started to jump a bit so I took it to garage and my fuel filter was changed as it was clogged I also put reddex in the car hoping this would clear out the system.
Once I had been to garage the car seemed to be perfect running amazing but now the jumping has started again and the feeling of losing power but 10 times worse. Went back to garage and mechanic did a full check and even put car through diagnostics test but said he couldnt find anything wrong and that my is mechanically sound. This is still happening and even near caused an accident yesterday on a national speed limit road the car just decided to start jumping and lost a bit of power causing me to slow down and the car behind me nearly hitting me.
Amanda, June 2013
it is very difficult to determine your fault but likely to be connected to your dirty fuel.The fact it run ok with a new filter on it may be worthwhile renewing it again and also maybe worth looking at your fuel pick up in the tank where there is usually a filter there also.It depends how much your bad fuel was contaminated and there may still be some of that in your system.

cdc, June 2013
link Click here to see other fixes for Ford KA.