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MG MGF Technical - power, no power, power, no power

This has happened to me three times now and all under pretty much the same circumstances:
I start the F (1.8 MPI) and drive somewhere (about 25 minutes). Then I park up for about 30 minutes leaving the car. Then I get back in, start it up and try to pull away but the power starts to go on and off when i accellerate.... It will happily chug along in 4th when i should be in 3rd but if i try anything interesting with the accellerator at first i get no power and then, just before it gets to stall, the power comes back big time.....
I'm confused.
The only performance mods i have are a lovely old Magnex exhaust and a K&N permanent filter.
Thing is, the car passed its MOT and 72,000 service a couple of months ago.
Anyone know what's up?
John Philpott

Try rotor arm,HTH.
Mike

This happen to me, in a Rover. The RAC chappie, who attended, painted the inside of the rotor arm with tippex!!! It evidently seals and cracks and is a way of fixing the car on a temporary basis.
Cecil Kimber

Many thanks for this. I'll check it out.
John Philpott

I agree with Mike - I had exactly the same problem recently with my MPi. Replaced the rotor arm and the dizzy cap, and normal service was restored :o)
Rob Bell

This thread was discussed between 27/06/2002 and 28/06/2002

MG MGF Technical index

This thread is from the archive. The Live MG MGF Technical BBS is active now.