Jerry B

Ozark Highlands

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Joined: 06/11/2001

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sum1 wrote: Try running it with the gas cap off. You may simply have a tank venting problem.
The fuel tank is not vented and there is only one fuel filter, located along the left frame side rail.
Jerry B
1996 Dolphin 535,F-53.
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loedman1

Napa, Ca.

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Joined: 06/12/2006

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WGLASSJR wrote: I would agree with the posts about the module.They really are not that expensive and not hard to change with the right tool.Keep us informed about the problem.
I third it .....
Been there, done that, got the tee shirt.
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John&Joey

Northern MN (Baby it's cold outside)

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Joined: 05/20/2007

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loedman1 wrote: WGLASSJR wrote: I would agree with the posts about the module.They really are not that expensive and not hard to change with the right tool.Keep us informed about the problem.
I third it .....
Been there, done that, got the tee shirt.
First thing we did, was not the problem. You are right about needing the special tool and being easy to replace (mine is external.) Nice to know how when you're on the road.
It appears to be the pickup coil. Should know for sure today.
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pfunk

Shelby Township, MI

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Joined: 08/12/2008

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Jerry B wrote: sum1 wrote: Try running it with the gas cap off. You may simply have a tank venting problem.
The fuel tank is not vented and there is only one fuel filter, located along the left frame side rail.
all fuel tanks are vented except bladder tanks
Over 60 degrees temp diff, fuel expands nearly 6%
2000 Holiday Rambler Endeavor
300 Cat 6spd Ally
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bdougt

Now Louisiana, Eventually Michigan

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Joined: 04/05/2007

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Exact same thin happenned to me on a 1977 Dodge van - and went thru the same process to fix. It ended up being the magnetic pick up in the distributor. I think your tech is on the right track.
I was able to replace the module only and never had a problem after that.
Brian, Donna, and Ted the dog.
2006 Dodge MegaCab 2500 Laramie 4x2 CTD 48RE 3.73 gears
Firestone AirBags - 16K Reese with Slider
2006 River Canyon 34KSTSO - TrailAir Pin - XPS RIBS 245/75/16
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sum1

So-Cal

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Joined: 11/07/2005

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John&Joey wrote: sum1 wrote: Try running it with the gas cap off. You may simply have a tank venting problem. Once the engine died we checked for spark which was not present. Sorry, I missed that.
Pfunk is correct, BTW. Almost all tanks are vented via a tube or through a vented cap. That said, I've owned machines such as some older outboards, that actually have sealed, pressurized tanks.
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John&Joey

Northern MN (Baby it's cold outside)

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Joined: 05/20/2007

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UPDATE:
Hee-Haw Got it. It turned out to be the pickup coil in the distributor. Once the new distributor was in place we took off down the road, after a slight timing adjustment, the old 460EFI never ran so good. The mobile tech did a heck of a good job and charged a very fair price. I would put name and number here, but that would be against forum rules. PM if you want, he's in the Duluth area and will travel up to 300 miles.
As I said once before, the Class A forum is a real treat to be part of. Lots of good knowledge and experience here. It really helped me in picking the right shop/person to work the engine over given the comments on this thread. As my Rochester friend said "fixing electrical is a real b%$^h" and I was running out of time.
Now in the next week or two DW and are off for our first snowbird adventure. Thanks for all of your insights.
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itsalleasy

USA

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Joined: 07/20/2007

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sum1 wrote: John&Joey wrote: sum1 wrote: Try running it with the gas cap off. You may simply have a tank venting problem. Once the engine died we checked for spark which was not present. Sorry, I missed that.
Pfunk is correct, BTW. Almost all tanks are vented via a tube or through a vented cap. That said, I've owned machines such as some older outboards, that actually have sealed, pressurized tanks.
Gas tanks haven't vented thru the caps or an open to the air vent since emissions standards went into effect. They vent thru the carbon canister, maybe that is the tube you are talking about. It runs to the front of the chassis.
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mike4947

N. Syracuse, NY

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Joined: 08/26/2002

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As an FYI: posting a recommendation of a business is fine as long as you do not have an interest in the business.
Glad you found a good tech. They are hard to find.
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They say you learn by your mistakes, in that case I must be a genius.
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sum1

So-Cal

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Joined: 11/07/2005

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itsalleasy wrote: sum1 wrote: John&Joey wrote: sum1 wrote: Try running it with the gas cap off. You may simply have a tank venting problem. Once the engine died we checked for spark which was not present. Sorry, I missed that.
Pfunk is correct, BTW. Almost all tanks are vented via a tube or through a vented cap. That said, I've owned machines such as some older outboards, that actually have sealed, pressurized tanks.
Gas tanks haven't vented thru the caps or an open to the air vent since emissions standards went into effect. They vent thru the carbon canister, maybe that is the tube you are talking about. It runs to the front of the chassis. Right you are, Itsalleasy! In either case, running with the cap off can confirm or rule out a venting restriction.
John&Joey, thanks for posting the solution.
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