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 Engine light on at 70mph???

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Big Lloyd
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Model and year : 1994 sc 2.4td
Registration date : 2007-12-07

PostSubject: Engine light on at 70mph???   Tue Sep 22, 2009 1:12 pm

Whilst travelling along at 70mph( and if I have less than half a tank of fuel) the engine management light comes on and I sometimes get reduced power. If I then stop and use the manual diesel primer/pump the old girl runs fine for a while.
However, if I have a Full tank of fuel the light sometimes comes on, but no loss of power.
Any ideas? Question
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maximus
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Model and year : 93 2.4 turbo supercustom limited
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PostSubject: Re: Engine light on at 70mph???   Tue Sep 22, 2009 10:44 pm

air leak around the filter maybe?
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chrisandhiace
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Model and year : LH 107 4wd 1992
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PostSubject: Re: Engine light on at 70mph???   Tue Sep 22, 2009 11:45 pm

Clogging fuel filter?...........vacuum line leaks?
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VOZZA
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PostSubject: Re: Engine light on at 70mph???   Wed Sep 23, 2009 12:04 am

I"ve had it happen, at any speed. Not often but very annoying. Changed the fuel filter now happens every blue moon. Should I be using adiitives? Is it from poor quality fuel? HELP!!!!
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AussieQ
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PostSubject: Re: Engine light on at 70mph???   Wed Sep 23, 2009 4:10 am

If you have to use the lift pump you have to getting air in somewhwere. In the case of the under 1/2 full maybe the pickup in the tank is sus..
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chrisandhiace
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Model and year : LH 107 4wd 1992
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PostSubject: Re: Engine light on at 70mph???   Wed Sep 23, 2009 5:39 pm

or fuel lines sucking air from a loose joint.........
Quote :
the case of the under 1/2 full maybe the pickup in the tank is sus..
Good point....might be alot of dirt in the tank too perhaps........


Last edited by chrisandhiace on Wed Sep 23, 2009 5:42 pm; edited 1 time in total
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chrisandhiace
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PostSubject: Re: Engine light on at 70mph???   Wed Sep 23, 2009 5:41 pm

Quote :
Should I be using adiitives?
additives help keep the injectors clean...burns more efficiently...less smoke when you boot the throttle..........
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Big Lloyd
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PostSubject: Re: Engine light on at 70mph???   Wed Sep 23, 2009 10:01 pm

Thanks for all the suggestions, I think I shall drop the tank out and check for debris and clean the pick up, then I'll gradually work along the fuel lines and check all the joints and filters.....should be fun. Won't be for a couple of weeks though....
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