Vtr runs rough

1. Ben_SaxoForte Saxperience Forum Bum Joined: Mar 2009 Stoke-on-trent Posts: 2640 Mk5 Golf GTTDI Mk2 VTR Project

   #1 13th November 2012, 22:51

   Thought id see if any of you have any suggestions, basically have had ongoing problems with the vtr running rough basically its not very responsive, revs stick on when changing gears, slight misfiring on idle and overall just doesnt sound as it should. Revs also sometimes bounce up and down a little on a warm startup.
   
   Its been serviced new plugs and filter, recent brand new icv and coilpack both quality/oem not cheap parts, exhaust all sealed up and no blows, map sensor changed.. Not sure what else to check.
2. user_57064 Established Member Joined: Jan 2012 south essex!! Posts: 2442 posi blue vtrs race car

   #2 13th November 2012, 22:55

   Both temp gauges
   Crank position sensor
3. user_20080 Saxperience Hardcore! Joined: Dec 2007 smurfland. Posts: 17346 Ex saxo owner.

   #3 13th November 2012, 23:13

   Injectors try having them ultrasonically cleaned,coolant temp sensor may be worth changing too.
4. user_57064 Established Member Joined: Jan 2012 south essex!! Posts: 2442 posi blue vtrs race car

   #4 13th November 2012, 23:18

   Quote:

   Originally Posted by greyjasper51 Both temp gauges Crank position sensor

   Gauges i mean sensors sorry
5. Ben_SaxoForte Saxperience Forum Bum Joined: Mar 2009 Stoke-on-trent Posts: 2640 Mk5 Golf GTTDI Mk2 VTR Project

   #5 13th November 2012, 23:47

   I have changed the light blue one which is the fan switch one, is it worth changing the one to the gauge or not? Cheers
6. user_57064 Established Member Joined: Jan 2012 south essex!! Posts: 2442 posi blue vtrs race car

   #6 13th November 2012, 23:48

   Quote:

   Originally Posted by Ben_SaxoForte I have changed the light blue one which is the fan switch one, is it worth changing the one to the gauge or not? Cheers

   I cant remember what one the ecu is linked to... But that controlls the fuelling as well...