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Possible vacuum leak

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Hi ladt few days when I'm pulling off and slowly second and third gear the car is hesitating and jumping a bit as if its going to stall. I've just done  full service and changed plugs thoughts please ???

Have you checked the plastic servo pipe for cracks?

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I've just been out snd really checked pipes and all is good deffo no splits so it's not that then. Once car has run s bit it's fine seems yo be at low temp and revs.

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well had a mess around today and  pulled the pipes off the fuel filter to swop it out and sprayed brake cleaner into the inlet  pipe and a lot of crap came out of  the outlet pipe. i have a new fuel filter but the issue I have is the retaining bolt on the plastic filter holder is so corroded nothing left there to put a tool into to loosen it off and i dont want to snap the holder for obvious reasons as nothing then to hold the filter secure.

There's no need to change the fuel filter on a UK petrol car unless you're having fuel starvation issues, even then it's almost never the problem, UK fuel is very clean compared to some countries where these cars are sold.

 

Counterintuitively, filters become MORE efficient as they gradually fill with trapped dirt so you're probably best off leaving well alone.

  • Author

ah right good to know it was just a thought that maybe this was causing the low end rev issues as you say I thought possible fuel starvation as I know already its not the pump as I changed this a while back. I ts just strange how its only really at low gears when pulling off its slight hesitation and jerking but like today for instance at speed on the motorway its all fine and im not really seeing a change in mpg.

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