irregular

Ive been noticing an iregular idle in my Cupra... boost gauge sits twitches as do revs only by 100 or 200 is this something to be worried about?? Car has HPFP, D.P & Non res system, Apr 2+ software, dbilas, Apr cooler... Thanks

Hello all, I have noticed that when my altea 1.9 stylance is in a traffic jam or stationary for any length of time, the engine idle sound can be irregular, the engine note sounds correct but inside the car you can feel it through the seat.I asked the dealer to fix it twice, but each...

Sometimes wen I plant the accelator in 1st gear she will rev up to 4500 revs and then just lose all power and she will stutter and chug and is very slow at buildin up the revs again im baffled at why she is doin it ive changed the airflow meter, deisel filters had her remapped and no faults have...

After a number of times jumping into my wifes Toledo 1.9TDI I noticed the extreme lack of power & performance. I changed the MAF the other night & wow what a difference. Only problem now is the exhaust bellows a plume of black smoke on initial startup and at each change of gear. We have a number...

Hi all, recently purchased an 02 Leon. This morning the diagnosis*/excess pollution lamp started flashing and the engine started to turn over slightly irregularly. Does anyone know what causes this and how it can be resolved. I've had the car less than 2 months so am very concerned...