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Throttle Response Question 

 

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 Post subject: Throttle Response Question
Posted: Sun Feb 01, 2009 3:39 pm 
Oompa Loompa
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Age: 31

Posts: 22

Joined: 31st Jan 2009

Ride: FG XR8 Ute

Location: Mandurah
WA, Australia

I've got an AUIII XR8 ute that I bought a few months ago which has an annoying throttle response issue.

If I give the accelerator a quick stab, it will take the car about 1 - 2 seconds to respond, and after it revs, it will almost die out sometimes. Even if I'm doing 100km/h and I put my foot into it, ti'll still take a few secs to respond.

Also, I don't think it has traction control, but if I floor it from a standing stop, it will spin briefly, then just slowly pick up, and my tyres are almost bald on the back. Or If I'm trying to stoke the tyres up, after I let my foot off the brake, the revs will die down and it'll just take off normally. Any idea what could be causing these probs?

Other than that it runs fine.

Not sure what's done to it engine wise, but it has a shaker hooked up and a nice twin exhaust system, which I believe was done by Black Mac Performance in Perth. It may also have a mild cam too, 'cause it's lumpy-ish.

If anyone knows what the problem could be then it'd be appreciated.
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 Post subject: Re: Throttle Response Question
Posted: Tue Feb 03, 2009 12:43 pm 
Smokin em up
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Age: 48

Posts: 200

Joined: 27th May 2007

Ride: Ford FG XR6 TURBO

Location: Frankston North
VIC, Australia

Is the MAF clean and is your TPS set correctly at 0.98 volts.
Do a search for TPS voltage. It to you how to check and set.

 

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 Post subject: Re: Throttle Response Question
Posted: Tue Feb 03, 2009 3:33 pm 
Getting Side Ways
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Age: 33

Posts: 1079

Joined: 19th May 2005

Gallery: 29 images

Ride: ELXR8 SERIES 2

Location: naracoorte
SA, Australia

there is a sticky at the top of the page on setting tps voltage.

 

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 Post subject: Re: Throttle Response Question
Posted: Tue Feb 03, 2009 6:21 pm 
Getting Side Ways
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Age: 64

Posts: 3552

Joined: 7th Nov 2004

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Power: 482 rwkw

Location: Penrith
NSW, Australia

Is your ignition in top condition??
This can be due to cam specs..??
If auto ? Is it kicking down as it should ??
Has fuel filter been serviced etc...

 

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