Author Topic: on idle (Read 4185 times)

match · « **on:** 07 August 2009, 18:47 »

Hello when my mk3 is on idle it sits at 1000 rpm and drops to 800rpm then 1400-1500rpm then 800rpm and it does this all the time non stop any ideas?

AudiA8Quattro · « **Reply #1 on:** 07 August 2009, 18:48 »

Telling us what engine/car you have would be a good start!

gtigolfthree · « **Reply #2 on:** 07 August 2009, 18:50 »

Its a 1.4 sonn to be a vr6

mumbles · « **Reply #3 on:** 07 August 2009, 18:50 »

do a search for idle problems and read everything.. there is quite a lot it might be.

gtigolfthree · « **Reply #4 on:** 07 August 2009, 18:54 »

Has the 1.4 not got a carb? If so there will be an idle jet that will probably be blocked.

DAVEMARX · « **Reply #5 on:** 07 August 2009, 18:54 »

isv perhaps......what year is it?

match · « **Reply #6 on:** 07 August 2009, 18:57 »

its a 1.4 1995 ive done the sparks,leads,dizzie cap and rotor arm

AudiA8Quattro · « **Reply #7 on:** 07 August 2009, 19:02 »

Has the 1.4 not got a carb? If so there will be an idle jet that will probably be blocked.

Spi, like a carb but electronic

gtigolfthree · « **Reply #8 on:** 07 August 2009, 19:05 »

Is that single point injection as opposed to multi on a gti, how does that work then?

Khare · « **Reply #9 on:** 07 August 2009, 19:06 »

Is that single point injection as opposed to multi on a gti, how does that work then?

yes..

well its like a carb, but it has one injector that feeds all 4 cylinders unlike gti's that have one injector per cylinder.

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