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Engine misfire/power loss between 2-3kRpm


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Hi guys! My car has a misfire between 2-3k Rpm and when I turn right for some reason if Im accelerating around roundabouts etc - Its really annoying on motorways because if Im cruising in any gear between 2-3k Rpm the car starts juddering and I lose power - I have to take it out of gear, rev it and then its ok & it might not happen for a while. It sounds like its something silly & electrical! Coil pack?

I posted this in another post by mistake yesterday :@

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  • 4 weeks later...

Mine does that also, well, more of a hunting than misfire actually but at those revs and annoying none the less....it's done it for 2 years and replacing the MAF (3 times), Plugs (4 times), Leads (3 times), coilpack (twice), ECU, Cam sensor (twice), crank sensor, throttle sensor and fuel pump hasn't solved it. The only thing I haven't tried is new injectors. They might be lazy at that particular open time, but are fine at idle and WOT.

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Mine does that also' date=' well, more of a hunting than misfire actually but at those revs and annoying none the less....it's done it for 2 years and replacing the MAF (3 times), Plugs (4 times), Leads (3 times), coilpack (twice), ECU, Cam sensor (twice), crank sensor, throttle sensor and fuel pump hasn't solved it. The only thing I haven't tried is new injectors. They might be lazy at that particular open time, but are fine at idle and WOT.[/quote']

If yours is hunting then I wouldnt be inclined to think that it is anything electrical, without a VAG check it is hard to completely rule out, but having had an electrical fault before on an 8v gti, the 1551 couldnt find a fault i had!! hunting is most likely due to poor fuel supply, possibly poor filtration of the system (you say you have changed the pump, what about the filter?). B4 you change anything else, I would get the fuel pressure checked by a VW specialist. They can easily confirm you have good fuel pressure throughout the system before you waist time changing injectors.

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Hi guys! My car has a misfire between 2-3k Rpm and when I turn right for some reason if Im accelerating around roundabouts etc - Its really annoying on motorways because if Im cruising in any gear between 2-3k Rpm the car starts juddering and I lose power - I have to take it out of gear' date=' rev it and then its ok & it might not happen for a while. It sounds like its something silly & electrical! Coil pack?

I posted this in another post by mistake yesterday :@ [/quote']

Again with yours, i would also be inclined to check it out on a 1551, the fuel system could also cause this kind of fault. If you start having poor fuel supply , due to vapour locks or filtration, the engine could start juddering due to intermittent fuel supply. Not a lot of help but something else to check.!!!!!

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