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Matt
Matt, Mechanical Engineer
Category: Audi
Satisfied Customers: 20576
Experience:  BEng hons Mech engineering, in auto industry 22 years
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When I take my foot off the accelerator at speed the car stutters

Customer Question

When I take my foot off the accelerator at speed the car stutters until I either press down the clutch or accelerate again , doesn't matter what speed or gear I'm in at the time ?
Submitted: 1 year ago.
Category: Audi
Expert:  Matt replied 1 year ago.
Hello 1st check the connections to the EGR valve, if either the vacuum pipe of electrical connection are damaged / corroded then the EGR can be on all time which certainly will hurt performance. Its also possible that its a fault with the EGR valve so its worth removing the valve and cleaning it out with brake cleaner, if it looks particularly clogged then replace it. Also worth considering adding a bottle of injector cleaner into the tank as a clogged injector nozzle will reduce power and give poor combustion - the next stage on from this is to remove all the injectors and have them ultrasonically cleaned and flow checked
Expert:  Matt replied 1 year ago.

Hi

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