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Old 08-10-2019, 09:54 PM   #1
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Access door fuel pump? GM Chassis

2001 winnabago adventurer 32' fuel issues checked fuses and batteries are up and thinking of making access door to replace fuelpump??? Anyone done this???on this type rv has 8.1 workhorse chassie.
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Old 08-11-2019, 08:00 AM   #2
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I have seen it done on older ford chassis but not on a Workhorse chassis. For the work you have to do and Knowing you probably wouldn't have to do it again it would probably be easier to drop the tank to change the fuel pump. That being said just make sure that is the problem.
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Old 08-11-2019, 10:16 AM   #3
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Definitely not a mechanic so can't help with that! Have fun and keep her between the ditches!

Good luck, happy trails, and God bless!
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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Old 08-11-2019, 07:29 PM   #4
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Look at the Workhorse forum on this site and post your question there. I know I have read that someone else did exactly what your asking and I'm sure it was on that forum. Good luck
2004 Coachman Santara 3480DS Workhorse w-22 Ultra Rv tune with Banks headers, Koni shocks
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Old 01-02-2020, 07:41 AM   #5
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01 winne workhorse chassies obd code P1514

Have anyone had this code p15q4 (control module actuater position performance ? Iv checked fuel pump 62lbs pressure replaced /fuel filter / fuel press regulator / maf sensor/crank sensor . Now im at this point. I removed the electronic throttle body and cleaned and checked for problems .( nuthing wrong with it) and im still unable to keep motorhome running without pouring fuel in( manually) or using starting fluid... it runs fine when fuel is put in this way. Im now down to this. ANYONE RECALL HAVING THIS ISSUE WITH A WORKHORSE 8.1 GM???
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Old 01-02-2020, 07:46 AM   #6
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Miles on the rv are 44,000 & it is a 1 owner .this started after starting it on 4th month of sitting. its gas is now starting to get old.
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Old 01-03-2020, 03:04 AM   #7
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Sounds like your injectors are not firing does your year have a cam sensor. I believe the injectors are fired by the cam sensor at least at startup . There is a fuse for fuel injector system as well. Google how to test for injection pulse and shorted injector.
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Old 01-07-2020, 10:32 AM   #8
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Don't know about doing it on a MH, but when my old Ford pickup fuel pump went out, the tow truck driver told me he made an access panel in the bed of his pickup, and had used it several times.
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door, fuel, fuel pump

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