Allench7 Posted May 11, 2016 Share Posted May 11, 2016 Hi all... another problem... Ive got 2000 ch7..renualt 470hp I servised the truck 2 days ago..filled the fuel filters used the hand pump to start the truck...hand a day on it worked fine.. this morning tried starting it didnt kick off.. tried hand pump several times.. its not getting harder to pump... (fuel filters are full) It seems the fuel lines have lots of air in them and isnt reaching to kick start the engine..? Any ideas guys.. Thanks in advance Quote Link to comment https://www.bigmacktrucks.com/topic/45166-no-pressure-in-fuel-lines/ Share on other sites More sharing options...
miro Posted May 12, 2016 Share Posted May 12, 2016 Sounds like you have a bad primer (hand) pump Quote Link to comment https://www.bigmacktrucks.com/topic/45166-no-pressure-in-fuel-lines/#findComment-333032 Share on other sites More sharing options...
AZB755V8 Posted May 13, 2016 Share Posted May 13, 2016 I did have air in the lines as well. It took several times to get it all out. It may have been something in the supply line that is blocking flow. We went over most of the things that can happen in another post here, Running out of Fuel, Airlock. It should help. Quote Link to comment https://www.bigmacktrucks.com/topic/45166-no-pressure-in-fuel-lines/#findComment-333181 Share on other sites More sharing options...
fjh Posted May 14, 2016 Share Posted May 14, 2016 The the transfer pump can be an issue ! They do fail! also check the tank vent! Quote Link to comment https://www.bigmacktrucks.com/topic/45166-no-pressure-in-fuel-lines/#findComment-333252 Share on other sites More sharing options...
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