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Rev hang problem 

 

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 Post subject: Rev hang problem
Posted: Tue Jun 08, 2010 9:20 am 
Oompa Loompa
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Age: 27

Posts: 26

Joined: 30th Jan 2010

Ride: ef falcon

Location: brisbane
QLD, Australia

Hey people I got a ef falcon wit a au motor and it has a rev hang problem wen it at normal operating temps wen u rev it it sit at 2500 to 3000 for about 5 secs then goes bak to normal it has a Wade 977b cam and adjustable fuel reg set at 43psi Which is 300kpa and still does any help would be gd
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 Post subject: Re: Rev hang problem
Posted: Tue Jun 08, 2010 9:43 am 
Smokin em up
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Age: 28

Posts: 213

Joined: 14th Sep 2009

Ride: Hanni - BA XR6T

Location: Rosedale
VIC, Australia

I had a bit of a rev hang problem with my 5ltr - turned out it was the cruise control cable holding the throttle open - it was accelerating by itself while driving and was sitting at around 2700rpm. All I did was disconnect the cruise but im gettin it fixed on wednsday . . . Hope that helps somewhat

Cheers
Grant
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 Post subject: Re: Rev hang problem
Posted: Tue Jun 08, 2010 10:00 am 
Getting Side Ways
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Posts: 1140

Joined: 27th Feb 2005

Ride: Supercharged EF Fairmont

Location: T.I. Performance HQ
VIC, Australia

300kpa is too much fuel pressure with a standard ECU map, especially with a cam.

Make sure the base idle is set correctly, the oxy and PS sensors are working, the ECU is throwing no codes, etc.
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