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running lean 

 

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 Post subject: running lean
Posted: Wed Oct 04, 2017 2:36 pm 
Oompa Loompa
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Age: 37

Posts: 46

Joined: 17th Oct 2010

Ride: 98 nl Fairlane Giha V8

Location: perth
WA, Australia

hey all just curious recently bought a au fairlane 5.0l and did a plug change noticed evidence of the running lean any things i can do to check/change to fix problem thanks
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 Post subject: Re: running lean
Posted: Fri Oct 06, 2017 8:18 am 
Smokin em up
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Age: 36

Posts: 282

Joined: 3rd Mar 2012

Ride: NL Fairlane Ghia V8

Location: Geelong
VIC, Australia

What are you basing that on. The colour of the spark plugs? They should be a ceramic colour but with efi spark plug readings aren't much value anyway.
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 Post subject: Re: running lean
Posted: Sat Oct 14, 2017 1:58 am 
Oompa Loompa
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Age: 37

Posts: 46

Joined: 17th Oct 2010

Ride: 98 nl Fairlane Giha V8

Location: perth
WA, Australia

Ok.. well they were a real red orange look a mate rekoned it was lean i guess thing is when i i been towing or driving a bit hard the cats STINK and i seem to use fuel jus from a 30k trip ill use 1/4 tank of juice
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 Post subject: Re: running lean
Posted: Sun Oct 15, 2017 12:05 pm 
NSW Cruise Moderator
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Age: 39

Posts: 7331

Joined: 5th Nov 2004

Gallery: 12 images

Ride: TE50

Location: ɹǝpun uʍop
NSW, Australia

I'd be looking at the exhaust first, if the cats have collapsed or are blocked, everything upstream will suffer.
On the fuel burn side of things, if its going through that much fuel start looking at the maf and hego's as well. if it was lean then it would be light on fuel no heavy on fuel.

 

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 Post subject: Re: running lean
Posted: Sun Oct 15, 2017 5:47 pm 
Oompa Loompa
Offline

Age: 37

Posts: 46

Joined: 17th Oct 2010

Ride: 98 nl Fairlane Giha V8

Location: perth
WA, Australia

Ok.. well they were a real red orange look a mate rekoned it was lean i guess thing is when i i been towing or driving a bit hard the cats STINK and i seem to use fuel jus from a 30k trip ill use 1/4 tank of juice
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 Post subject: Re: running lean
Posted: Mon Oct 16, 2017 8:21 am 
Smokin em up
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Age: 36

Posts: 282

Joined: 3rd Mar 2012

Ride: NL Fairlane Ghia V8

Location: Geelong
VIC, Australia

Blocked cat is a real probability. Or failed hego's.
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