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after gunning up a hill - high idle and pre-ignition 

 

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 Post subject: after gunning up a hill - high idle and pre-ignition
Posted: Wed Jun 13, 2007 3:44 pm 
Parts Gopher
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Age: 30

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Ride: XF 351 Ute

Location: Sunshine Coast
QLD, Australia

hey all,

just wondering if someone can help me,

after gunning my ea falcon up a hill it now idles at about 1500rpm and takes about 30-45 secs to drop back to about 800revs

also it keeps running a little bit after i shut it off, it seems like the timing adjusted it self or it's overheating. weird problem

any help Appreciated.

Cheers,
Jack
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Posted: Wed Jun 13, 2007 3:47 pm 
Getting Side Ways
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Ride: EF wagon & EF fairmont wagon & M

Location: melbourne
VIC, Australia

could be a whole load of things,
oxy sensor, timing, temperature sensors, map sensor....
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Posted: Wed Jun 13, 2007 3:59 pm 
Parts Gopher
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Age: 30

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Joined: 2nd Mar 2005

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Ride: XF 351 Ute

Location: Sunshine Coast
QLD, Australia

i installed a tacho last night, not that it would make any difference, just thought i would metion it.
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Posted: Wed Jun 13, 2007 5:53 pm 
Getting Side Ways
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Ride: BA XR6 Turbo

Location: Canberra
ACT, Australia

My old EA CFI did this after having it about 3 months. As common as it was, not a single mech could really tell me what it was.

My solution was I sold it to fund another car at the time.

However, I think it came down to either a bad earth (possibly near the steering box I heard) or the ISC.

I played with the ISC a fair bit, adjusting the kickdown point etc, to force it to idle lower, but even after that and reseting the ECU, the ECU overode it.

It's a pain especially with the auto, as it want's to take off when the brakes are on.

Check ISC connector for corrosion, maybe replace it. Think I was quoted $80 odd bucks.. That or the TPS on back of the throttle body, I removed and cleaned the sh!t outa both of these, but it still haunted me.

Sorry can't help anymore..

 

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http://www.venomexhaustworks.com.au

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Posted: Wed Jun 13, 2007 6:09 pm 
Stock as a Rock
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Ride: fg mk2 xr6 ute

Location: canberra
ACT, Australia

wat type of gauge was it???

 

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Posted: Thu Jun 14, 2007 9:58 am 
Stock as a Rock
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Ride: 94 Futura

Location: Midland
WA, Australia

Is it the ISC that is allowing too much air ?
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