Engine playing up?

1999 Ford Focus
Car: Ford Focus
Year: 1999
Categories: Running Rough, Starting & Power Loss
other day made silly mistake of leaving oil cap off and oil got everywhere. whether this is relevant or not i dont know.

Currently the car is, when on the motorway at a consistent high speed, cutting out and the engine feels like it is not in gear properly. all i have to do is pull my foot off the gas and put it back on. the revs do not go up if i keep my foot on the accelerator during lapse in acceleration. when driving in low gears in the city cannot feel this happen at all.

it is not the clutch slipping had a replacement and problem carried on

any advice would be apprecited
Problem added: Apr 11, 2008 (16 years ago)
I take it you topped oil back up? and which engine do you have ?
Answered Apr 11, 2008 (16 years ago)

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