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EF xr8 wont idle 

 

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 Post subject: EF xr8 wont idle
Posted: Sat Nov 02, 2013 4:11 pm 
Oompa Loompa
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Age: 30

Posts: 37

Joined: 15th Oct 2011

Ride: 93 eb series 2 xr6

Location: Grafton
NSW, Australia

hopefully someone can point me in the right direction. dads car (ef xr8) has developed a idle problem. its idle fluctuates with I small popping back fire sound. and sounds like its dropped a cylinder. so far ive replaced the plugs rotor button and cap. cleaned the M.A.F cleaned throttle body and isc. and now running out of ideas. the leads were replaced 12 months ago
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 Post subject: Re: EF xr8 wont idle
Posted: Sat Nov 02, 2013 7:55 pm 
EFI Guru
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Age: 52

Posts: 4289

Joined: 5th Nov 2004

Gallery: 28 images

Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

Could be a vac leak or leaky EGR valve or dead fuel pump or a base engine problem or....
How does it drive otherwise? DO a self test.
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 Post subject: Re: EF xr8 wont idle
Posted: Sat Nov 02, 2013 10:18 pm 
Oompa Loompa
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Age: 30

Posts: 37

Joined: 15th Oct 2011

Ride: 93 eb series 2 xr6

Location: Grafton
NSW, Australia

self test shows code 111 on koeo. cant test koer because it dies. havnt driven it since it developed the problem. checked for vac leak by spraying carbie cleaner over the vac lines and inlet manifold with no success. it seams to rev fine. but drops rapidly ss soon as lifted on throttle. how would I check leaky egr? and fuel pump?
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 Post subject: Re: EF xr8 wont idle
Posted: Sun Nov 03, 2013 1:10 pm 
Oompa Loompa
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Age: 30

Posts: 37

Joined: 15th Oct 2011

Ride: 93 eb series 2 xr6

Location: Grafton
NSW, Australia

update time.....
it decided to play nice and let me get koer test done. thrown 2 codes.
785 canister purge circuit faulty. (isnt connected was like that when got car)
998 engine running test error iac.ect.maf or tp faulty.
sugestions on what to check now would be great
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 Post subject: Re: EF xr8 wont idle
Posted: Sun Nov 03, 2013 11:18 pm 
EFI Guru
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Age: 52

Posts: 4289

Joined: 5th Nov 2004

Gallery: 28 images

Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

First of all take it for a drive. It's sounding like the MAF but could still be a number of things. Once under load(when driving) things become more apparent.
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