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3.1 L bighorn 92 fuel filter change


 
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hamish.samengo.ballantyne
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Joined: 14 Jul 2021
Posts: 1
Location: vancouver

PostPosted: Tue Jan 18, 2022 23:35    Post subject: 3.1 L bighorn 92 fuel filter change Reply with quote

Changed the fuel filter yesterday, primed the filter with diesel, started it up, ran for 5 minutes with no troubles, shut it down. Today tightened up alternator belt to remedy some battery charging issues i've been having, then when I went to start the car it sputtered and wouldn't start. bled air from the filter and primed the fuel pump by turning it to accessory and off several times, then i was able to get it started and it ran very rough for about 20 seconds before stalling and cutting out. kept trying a few more times with the same results, not going to overdo it because the battery's already dying. any advice?
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PostPosted: Tue Jan 18, 2022 23:35    Post subject: Google Ads keep this community free to join!


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Versatile
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Joined: 19 Aug 2015
Posts: 49
Location: Worcestershire

PostPosted: Thu Jan 20, 2022 21:43    Post subject: Reply with quote

Have you tried blowing back and proving the suction line is good ? Even if there's a tiny hole then it will suck air and not fuel. But you can so be ready for a taste of diesel. There isn't a lift pump so it's all done by the HP pump which is a lot especially on a LWB.

I'd try cracking one or more of the injector lines to prove fuel into them.
If there's still nothing I'd try a dummy fuel supply into the filter.

There's a filter in the tank that is not easy to get to (Impossible) which might have picked up. The only way to check is cutting it out of the tank.
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Location: Worcestershire

PostPosted: Thu Jan 20, 2022 21:45    Post subject: Reply with quote

[quote="Versatile"]There isn't a lift pump so it's all done by the HP pump which is a lot especially on a LWB.

I'd try cracking one or more of the injector lines to prove fuel into them.
If there's still nothing I'd try a dummy fuel supply into the filter.
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45gmc
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Joined: 06 Oct 2007
Posts: 225
Location: NewBrunswick, Canada

PostPosted: Mon Jan 24, 2022 20:03    Post subject: Reply with quote

did you mix up the lines ? it might start but soon would run pretty rough. I might have first hand experience on this
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