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Old 25-07-2011, 06:23 PM   #1
Mal H
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Default Jerky cold start.

hey guys.

In the mornings when i start my car and begin to drive it feels really jerky in 1st and 2nd gear and i spend a lot of time bunny hopping after the first few corners. my mechanic said that it was the fuel i was using so I've been using shell 98 for just about 2 tanks now and its not any better. I also reset the ECU. Its really annoying (and a little embarrassing when other people are with me haha)
does anybody have ideas??

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Old 25-07-2011, 06:31 PM   #2
falconhell74
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Default Re: Jerky cold start.

Im assuming its the au xr in pictue & its an auto , so I would surgest a trans service as I've known a fiew au's to do funny things like that in mornings especially if its cold.
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XC GS OLD SCHOOL MUSCLE

Audi A4 S-line quttro
Xc falcon
Previous fords-
xc falcon 500 ,250 x flow 3 speed
xc gs worked 250 x flow 4 speed
xa Fairmont 302 auto wagon
xb falcon 250 log auto 4 door
xb falcon 200 log auto ute
xc gs project - had to sell :-(
xc gs 302 4 speed 4 door
xc gs 351 auto 4 door
zf fairlane 302 auto
zk fairlane 250 x flow carb auto
zl fairlane 250 x flow EFI auto
xg ute , BA falcon dedicated gas
xd, xf x 3 ,ea,eb,ef,au x 3,telstar tx5
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Old 25-07-2011, 09:00 PM   #3
Mal H
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Default Re: Jerky cold start.

Crap sorry I was meant to say what the car was and I forgot.
It usthe xr in the picture. A series 3 xr8 and it's a manual.
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Old 25-07-2011, 09:15 PM   #4
falconhell74
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Default Re: Jerky cold start.

Try cleaning the isc ( idle speed controll) located on throttle body , could be carboned up
__________________
XC GS OLD SCHOOL MUSCLE

Audi A4 S-line quttro
Xc falcon
Previous fords-
xc falcon 500 ,250 x flow 3 speed
xc gs worked 250 x flow 4 speed
xa Fairmont 302 auto wagon
xb falcon 250 log auto 4 door
xb falcon 200 log auto ute
xc gs project - had to sell :-(
xc gs 302 4 speed 4 door
xc gs 351 auto 4 door
zf fairlane 302 auto
zk fairlane 250 x flow carb auto
zl fairlane 250 x flow EFI auto
xg ute , BA falcon dedicated gas
xd, xf x 3 ,ea,eb,ef,au x 3,telstar tx5
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Old 25-07-2011, 09:18 PM   #5
Cam
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Default Re: Jerky cold start.

Cam synch sensor? Mine is on the way out and when cold she is a angry so and so... coughs and splutters a bit which could be causing the jerkiness?

Just a thought..
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Old 25-07-2011, 09:22 PM   #6
Ride
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Default Re: Jerky cold start.

My money would be the fuel pump sock is gunked up to high heaven or the fuel filter need to be replaced.
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Old 26-07-2011, 04:50 PM   #7
Mal H
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Default Re: Jerky cold start.

where is the cam synch sensor? and what does it do?? sorry Ive never really worked on an engine much so I'm not down with the lingo and locations.
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