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2004 VZ SS 5.7Ltr Auto "almost" stalling on startup

ZOOTV

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Hi Guys,

I have a 2004 VZ SS Commodore, it's an automatic. On cold starts "Left for approximately 1 day" the car when started will drop to 500rpm and almost stall then go immediately to normal cold start rpm. It has been doing this for about 6 months and I changed the plugs and leads about 3 months go and it continues to do this most mornings whether it is warm outside or cold. Has anyone any ideas about this?
 

ThunderVZ0410

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I had a similar problem with my car, but mine would stall and start good the next time. I changed the fuel filter and stopped using 7-11's fuel and that hasn't happened since. Just throwing in some ideas
 

ZOOTV

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I will look at the fuel filter, wouldn't hurt to change it. The fuel I use is Shell V-Power, Caltex Vortex, BP Ultimate and on the odd occasion Mobil 98. Thanks for the idea with that one ThunderVZ0410.
 

ThunderVZ0410

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No worries, all the best and let us know if you find out the problem :)
 

ZOOTV

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I'm gonna give the Aeroflow AF610-05 - 30 Micron Billet Fuel Filter 5/16" Barb a crack and see how it goes.
 

Tonner Matt

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I'm gonna give the Aeroflow AF610-05 - 30 Micron Billet Fuel Filter 5/16" Barb a crack and see how it goes.

It won't fit your factory fuel line fittings for starters and wouldn't be worth the hassle of changing to anyway
Just replace your fuel filter with a normal replacement
Ryco Part# Z586
 

Rocket 007

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I had a similar problem with my 5.7 and i took the throttle body off and cleaned the carbon out of it and problem fixed
That was 3yrs ago and changed from shell premium to caltex premium
 

ZOOTV

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Thanks Matt, duly noted, I didn't realise it wouldn't fit, Just liked the idea of the filter changes with it.
 

ZOOTV

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Hi Rocket,

Throttle body is nice and clean, just noticed the low revs on cold startup 500rpm and occasionally driving down the road from home and turning left and going up the hill to work, the car will lose power momentarily. I think it's the fuel filter.
 

ZOOTV

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...............Incorrect post..
 
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