Monk31 Posted November 11, 2015 Share Posted November 11, 2015 (edited) While driving on highway truck lost power press fuel pedal nothing happened truck stalled out . I then tried to start it wouldn't start unless I pressed fuel pedal almost to floor then it ran very rough idle shaking and wanting to stall out it would only stay running if I pulled throttle lever and kept it around 8,000 rpm . Any ideas I replaced transfer pump last year and fuel filters in August bad injector pump maybe I have been told fuel filters. I recently ran truck almost empty and used 2 5 gallon cans from crew truck to not run out . Then I filled up the following day. The symptoms briefly happened this past weekend truck ran fine then sat for 2 days . Thanks for any suggestions I also been getting a little puff of white smoke at startup Edited November 11, 2015 by Monk31 Quote Link to comment Share on other sites More sharing options...
alex g Posted November 11, 2015 Share Posted November 11, 2015 Sounds like a fuel line sucking airSent from my SM-G386W using Tapatalk Quote Link to comment Share on other sites More sharing options...
Monk31 Posted November 11, 2015 Author Share Posted November 11, 2015 How can I fix or diagnose this problem? Quote Link to comment Share on other sites More sharing options...
mrsmackpaul Posted November 11, 2015 Share Posted November 11, 2015 first you got work out what the problem is I agree sounds like its sucking air have a real good look along all fuel lines for some damage maybe something has come off the governor inside the injector pump but I would check the obvious things firstIf you cant find a air leak hook a small drum of fuel hang it up high and try to see if you can get it to run like that Paul 1 Quote Link to comment Share on other sites More sharing options...
alex g Posted November 11, 2015 Share Posted November 11, 2015 Your fuel supply line probably has a hole in it causing it to suck air. If so You need to replace it. Sent from my SM-G386W using Tapatalk Quote Link to comment Share on other sites More sharing options...
mrsmackpaul Posted November 11, 2015 Share Posted November 11, 2015 maybe some crap out of the jerry cans went in the tank and is blocking the line or the filters got blocked as it sucked the dirtiest fuel from the tank when you almost ran out Paul Quote Link to comment Share on other sites More sharing options...
Monk31 Posted November 11, 2015 Author Share Posted November 11, 2015 Thanks for the response will be working on it 2morrow will post to let everyone know the results Quote Link to comment Share on other sites More sharing options...
39 Baby Mack Posted November 11, 2015 Share Posted November 11, 2015 On a good note, you should be happy it's not an electronic motor!All the above are good suggestions, and you don't need a crystal ball to check them out!RonSent from my SM-G900V using Tapatalk Quote Link to comment Share on other sites More sharing options...
Monk31 Posted November 11, 2015 Author Share Posted November 11, 2015 (edited) Got the truck up and running ,replaced fuel lines and transfer pump was bad. Bought new transfer pump from Mack $470 with tax . Up and running thanks for the responses and help. Edited November 11, 2015 by Monk31 1 Quote Link to comment Share on other sites More sharing options...
39 Baby Mack Posted November 11, 2015 Share Posted November 11, 2015 Transfer pump went bad in a year!Should be some kinda warranty on that?RonSent from my SM-G900V using Tapatalk Quote Link to comment Share on other sites More sharing options...
Monk31 Posted November 11, 2015 Author Share Posted November 11, 2015 The transfer pump was a used pump I installed last year. Bought new pump from Mack 1 Quote Link to comment Share on other sites More sharing options...
Vladislav Posted November 12, 2015 Share Posted November 12, 2015 $470 doesn't sound nice for such the easy thing.Hope it will last really long.Vlad Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment Share on other sites More sharing options...
Monk31 Posted November 12, 2015 Author Share Posted November 12, 2015 Thanks I hope it does tooSent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
micked Posted October 4, 2016 Share Posted October 4, 2016 just curios, could you tell if any wear on trnsfer pump as to the cause of it being no good anymore as i have had one apart and they look ok but how do you know there no good without buying a new one ? Quote Link to comment Share on other sites More sharing options...
theakerstwo Posted October 4, 2016 Share Posted October 4, 2016 You use a test gauge. Quote glenn akers Link to comment Share on other sites More sharing options...
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