engine missfire

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harris91
Posts: 15
Joined: Sat May 02, 2015 8:53 pm
I drive a: GT 2.0 TSI
In: Shadow Blue
With a: Manual box
Options: Heated leather seats,automatic headlights,auto dim mirror,adaptive suspension,sat-nav,parking sensors,rain sensing wipers,climate control,tinted rear windows

engine missfire

Post by harris91 »

Hi, I have a scirocco 2.0 tsi manual it has a missfire when it's cold and idle and between 1500-4000rpm when driving when the engine is warm it only seem to be very occasionally at idle ,I have code read the vehicle and no faults codes have appeared. I have tried new spark plugs.
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Cuprabob
Posts: 5036
Joined: Sat Aug 07, 2010 2:31 pm
I drive a: GT 2.0 TDI 170/184
In: Rising Blue
With a: Manual box
Options: Panoramic Roof, 19" Black Luganos, Vienna Leather, Parking Sensors, DAB, Dynaudio, Bluetooth, Cruise, Folding Mirrors, Xenons
Location: S/W Scotland

Re: engine missfire

Post by Cuprabob »

Most common.cause of misfires on that.engine is coilpacks. Don't always throw a fault code as it depends on the frequency of the misfire and whether the.lambda probes detect the unburnt fuel.
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