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d/fuel,4.0 l6 missing w'hot on acc 

 

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 Post subject: d/fuel,4.0 l6 missing w'hot on acc
Posted: Mon Nov 19, 2012 4:02 pm 
Parts Gopher
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hi all, my engine has developed a slight miss only when accelerating and only when hot ( well normal running temp), would/could this be the leads do u think?, it's d'fuel and only use 95-98ron unleaded, its always serviced on time and looked after, plugs seem ok, ive tried some injector cleaner, new fuel pump, :? :? any ideas??? :| :|

 

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 Post subject: Re: d/fuel,4.0 l6 missing w'hot on acc
Posted: Mon Nov 19, 2012 4:09 pm 
Getting Side Ways
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Is it missing on both fuels? or only on LPG?

LPG is more sensitive to spark issues, and I would suggest that if you have not replaced the leads and plugs for some time, then that is a good place to start.

Cheers
BenJ

 

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 Post subject: Re: d/fuel,4.0 l6 missing w'hot on acc
Posted: Fri Dec 28, 2012 8:11 pm 
Parts Gopher
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could even be the dreaded inlet manifold gasket?

 

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 Post subject: Re: d/fuel,4.0 l6 missing w'hot on acc
Posted: Sun Dec 30, 2012 8:07 pm 
Getting Side Ways
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when hot and only under power.. first thing that springs to mind is the coil.

here's a test, get it nice and hot, then park it with the engine running and give the coil hit with some water. If it creates a misfire, then the coil stuffed.

 

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