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Old 28-10-2007, 01:40 PM   #1
xr8AU2
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Join Date: Oct 2007
Posts: 33
Default XR8 Surging

HI im after a little help as i have a problem with my ute,
it feels as though its surging whilst driving at freeway speeds,
you can feel it back off then accelerate again, not drastically but it can be felt.
has anyone had these problems and maybe able to give me an answer.
cheers

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Old 28-10-2007, 03:36 PM   #2
WoodysXR6
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Default

I had a similar problem and it ended up being 1 of the spark leads not being connected proply.
The Mechanics 1st replaced the fuel pressure regulator though under warranty, and still didnt fix it.
hope that helps.
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Old 28-10-2007, 04:45 PM   #3
crakrz
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Join Date: Apr 2005
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Technical Contributor: For members who share their technical expertise. - Issue reason: Craig has shown and shared an outstanding amount of knowledge in the field of Tuning. Craig is only to happy to share with anyone that asks his knowledge on the EEC tuning system, in particularly in the use of Moates Quarterhorse and Binary Editor. 
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I had a similar problem at cruising speeds, i got the "lean cruise" air fuel ratios richened up slightly while getting the edit done and no more problem. I'm not saying that this will be the same for you as there are many things that can probably cause this symptom. -craig
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