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General => The garage => Topic started by: petercolston on 12 December 2012, 19:50

Title: wont go past 4500rpm
Post by: petercolston on 12 December 2012, 19:50

can someone please help!!!!
just got myself a mk4 gti 1.8 turbo now the car starts fine and idles fine but when i power away the car judders a little
and when i get to 3rd gear i cant get past 4500rpm.
 has anyone had this problem or help me thanx

Title: Re: wont go past 4500rpm
Post by: Wayne on 13 December 2012, 11:02

Get it scanned for fault codes but it is in safe mode at the moment.

Title: Re: wont go past 4500rpm
Post by: Luke1981 on 13 December 2012, 18:02

Faulty maf sensor maybe!

Title: Re: wont go past 4500rpm
Post by: petercolston on 13 December 2012, 21:47

got no lights coming on and did put sts in the fuel and its helped a bit someone has said try the fuel filter

Title: Re: wont go past 4500rpm
Post by: Wayne on 13 December 2012, 23:39

Quote from: petercolston on 13 December 2012, 21:47

got no lights coming on and did put sts in the fuel and its helped a bit someone has said try the fuel filter

Makes no difference if the light is on or off, scan it for codes or else you could spends ages trying to fix it.

Title: Re: wont go past 4500rpm
Post by: Len on 14 December 2012, 08:51

Codes dont always help! My Passat 1.8t is playing up big time and no codes showing!

Title: Re: wont go past 4500rpm
Post by: Agreeable Slick on 14 December 2012, 12:58

Juddering is usually coil packs or ignition amplifier.

Scan it - if no codes come back then I would look at replacing coil packs or ignition amplifier. My V5 used to judder like mad under accel and didn't bring a code back. It wasn't until I changed the ignition amplifer that it solved the problem.

Title: Re: wont go past 4500rpm
Post by: Chris. on 15 December 2012, 01:17

ignition amp would cause it to run on 3 most of the time...even of idle...same with a coil pack from experience.

Could be a really weak fuel pump.

Whats it do it you have it in 4th/5th gear and floor it from about 2000rpm?  Stutter then?

Title: Re: wont go past 4500rpm
Post by: Agreeable Slick on 15 December 2012, 13:37

Quote from: Chris. on 15 December 2012, 01:17

ignition amp would cause it to run on 3 most of the time...even of idle...same with a coil pack from experience.

Not from my experience. It would judder under load then clear under cruise conditions.

Title: Re: wont go past 4500rpm
Post by: vrsjaw on 25 December 2012, 14:44

i had ame prob it was try fuel pump,,,coils to