GolfGTIforum.co.uk

Model specific boards => Golf mk3 => Topic started by: mani12354 on 07 June 2011, 16:46

Title: car miss firing.
Post by: mani12354 on 07 June 2011, 16:46: hi people i got a issue (mk3 2.0gti 16v 96-97)

changed the following!

fuel filter,
fuel pressor reg,
cleaned throttle body,
cleaned the idle contral,
new map sensor,
new plugs,
new ht leads,
new cap n cog,

+ nothing comes up on vag come for errors*

hmm im lost for words :shocked:
Title: Re: car miss firing.
Post by: trog_nfs on 07 June 2011, 16:58: is it all the time or when hot/cold?

Could be temperature sensor or a vacuum leak
Title: Re: car miss firing.
Post by: mani12354 on 07 June 2011, 17:00: hot and cold lol, thing is it i checked every hose and there was nothing leaking no rips or tears there practially new
Title: Re: car miss firing.
Post by: trog_nfs on 07 June 2011, 17:07: Ignition coil is quite common to fail
Title: Re: car miss firing.
Post by: mani12354 on 07 June 2011, 17:14: true but would that cause it to jerk backwords n forwards at 3.000 rpm
Title: Re: car miss firing.
Post by: tweed on 07 June 2011, 17:28: My sister had a ibiza ABF and the coil went a lot on that, but often wouldn't start at all :undecided:
Title: Re: car miss firing.
Post by: Sii on 07 June 2011, 18:16: Please don't be offended by this but is it posible when it had the new plug leads they were put on the wrong plugs?

Just a thought.....
Title: Re: car miss firing.
Post by: trog_nfs on 07 June 2011, 18:35: Quote from: Sii on 07 June 2011, 18:16
Please don't be offended by this but is it posible when it had the new plug leads they were put on the wrong plugs?

Just a thought.....

Unlikely, it would be running as rough as a badger!

Quote from: mani12354 on 07 June 2011, 17:14
true but would that cause it to jerk backwords n forwards at 3.000 rpm

not all coil failurers manifest in the same way. Coil would be my next port of call given what you've already checked and changed
Title: Re: car miss firing.
Post by: mani12354 on 07 June 2011, 19:24: LOL its running like a chainsaw now :O
Title: Re: car miss firing.
Post by: iyrix on 08 June 2011, 10:08: Have you not changed the ECU relay? Mine was rough as and that was it.
Title: Re: car miss firing.
Post by: mani12354 on 08 June 2011, 10:25: mm ill try it and give it a go :)
Title: Re: car miss firing.
Post by: iyrix on 08 June 2011, 11:26: oh man, that will be your problem!!

There is a thread around with all the info....
Title: Re: car miss firing.
Post by: trog_nfs on 08 June 2011, 11:54: I don't think mani has ever done a search. This is the chap who wanted to twin-turbo his 16v :laugh: :grin:
Title: Re: car miss firing.
Post by: mani12354 on 08 June 2011, 14:11: LOOOL yoo people i changed ignition coil still no luk :O
Title: Re: car miss firing.
Post by: trog_nfs on 08 June 2011, 14:29: change your ecu and fuel pump relays. If that still doesn't solve it its going to get expensive!
Title: Re: car miss firing.
Post by: mani12354 on 08 June 2011, 17:42: :O thing is i did a compresson test n number 4 was low but not in the red i would say 3 psi of the normal 17 or 18
Title: Re: car miss firing.
Post by: iyrix on 09 June 2011, 08:32: Just change the ECU relay........

it like £10 from VW... that is your problem..
Title: Re: car miss firing.
Post by: mani12354 on 13 June 2011, 11:22: :grin:it was the ecu replay but now my car reving up n down by it self i changed the massaire flow sensor 2
:huh:
Title: Re: car miss firing.
Post by: iyrix on 13 June 2011, 11:49: Quote from: mani12354 on 13 June 2011, 11:22
:grin:it was the ecu replay but now my car reving up n down by it self i changed the massaire flow sensor 2
:huh:

Clean the idle control valve.
Title: Re: car miss firing.
Post by: harlemex on 13 June 2011, 11:50: take it for a drive, the ecu needs to re-learn its sh!t.
Title: Re: car miss firing.
Post by: mani12354 on 13 June 2011, 11:51: done allllllllllllllllllll of that :shocked: i did let the ecu learn but it on a cold start the car revs up n down when it get hot warm it fine :shocked: