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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > Service recommendations near Charlotte NC - Ford V10 misfire

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enblethen

Moses Lake, WA

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Posted: 01/11/21 07:05pm Link  |  Quote  |  Print  |  Notify Moderator

Gates Nitrile NBR fuel line is rated for 225. Problem is finding correct size crimp rings to connect it.


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dodge guy

Bartlett IL

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Posted: 01/12/21 05:55am Link  |  Quote  |  Print  |  Notify Moderator

God job and lucky you didn't go up in flames! The lower fuel pressure definitely caused the slight misfire. How many miles? You definitely don't hear to much of those types of fuel lines rupturing.


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willald

NC

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Posted: 01/12/21 08:18am Link  |  Quote  |  Print  |  Notify Moderator

dodge guy wrote:

God job and lucky you didn't go up in flames! The lower fuel pressure definitely caused the slight misfire. How many miles? You definitely don't hear to much of those types of fuel lines rupturing.



It has 27k miles. Engine, whole drivetrain has been absolutely flawless from day 1 up until now.

I think, the misfire was caused more by the broken wire I found on one of the coils than low fuel pressure. Low fuel pressure probably contributed, though.

This was not a fault at all with the fuel line, Ford, or the engine. This was/is a rodent infestation issue, that fuel line was very clearly chewed on. I sent pictures of it to a friend of mine who lives out on a farm and deals with rodents all the time, she said definitely looks like rat bite marks on the fuel line. Soooo, time to go get some rat traps.

I'm just glad we caught this in the offseason, not on a trip, and like you said, that we caught it before it went BOOM.


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tarnold

georgia

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Posted: 01/13/21 08:09am Link  |  Quote  |  Print  |  Notify Moderator

When you say broken wire, is this an internal brake, or a for real left piece and right piece?

enblethen

Moses Lake, WA

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Posted: 01/13/21 08:48am Link  |  Quote  |  Print  |  Notify Moderator

It is "Break" in wire caused by rodents according to the OP.

willald

NC

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Posted: 01/14/21 08:18am Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

It is "Break" in wire caused by rodents according to the OP.


Actually, its kind of hard to say if the broken wire is an internal break, or if it was done by a rodent. The break is right where the wire comes out of a long, thick conduit holding several wires for all the coils. I have a picture of it, but don't presently have a way of posting it on here. Gonna have to figure out a way to do that.

The fact the broken wire is very close to the chewed fuel line, makes me think a rodent may have had something to do with it. OTOH, as I mentioned previously, this is not the first time I've dealt with wires wearing out and breaking like this on Ford V10s, so who knows.

Either way, that part will be easy to fix.

willald

NC

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Posted: 01/19/21 01:54pm Link  |  Quote  |  Print  |  Notify Moderator

Update (and resolution to this): Well, the guy I'd been working with on this (Mark) came out today, and replaced the broken fuel line, and the broken wire for that one coil.

The part he got from Ford was one large assembly going from behind the engine all the way up to both fuel rails on either side of the engine. Sooo, it is now all new fuel lines going from about middle of the transmission all the way up to the two fuel rails.

He also looked everything else over, and found no other evidence anywhere, of any damage.

Engine runs like brand new again, we are back in business (although not planning any trips for a while). No more smell of fuel, either.

Very impressed with the work he did, how knowledgeable he was, and how reasonable he was $$ wise with this. If anyone near the Denver, NC area needs any kind of RV related work, you can trust this guy, give him a call - Mark Hammill, 704-635-3265 (Yes, I got his permission to post this). He apparently does RV coach work as well, not just chassis.

I got some rodent repellant spray, and sprayed it very liberally on the ground, all the way around the perimeter of the RV. That, and will also make it a point, especially in these cold months, to exercise the RV more and get it out more often so critters have less chances to mess with it. I had been doing such about once a month, but due to the craziness around Christmas, it had not been exercised in about 2 months. I think that's one of the main lessons learned here - We really, really need to get these things out and exercise them at least once a month, for numerous reasons.

enblethen

Moses Lake, WA

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Posted: 01/19/21 02:08pm Link  |  Quote  |  Print  |  Notify Moderator

Thank you for the updates!

cbr46

Flowery Branch, GA

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Posted: 01/19/21 02:26pm Link  |  Quote  |  Print  |  Notify Moderator

willald wrote:

The part he got from Ford was one large assembly going from behind the engine all the way up to both fuel rails on either side of the engine. Sooo, it is now all new fuel lines going from about middle of the transmission all the way up to the two fuel rails.


We had that problem when we first brought home our (new to us) 11 year old. No bite marks that could be seen. I figured it was ethanol related. The selling dealer chipped in half of the part cost.

To prevent any future ethanol issues I try to run as much fuel through it as possible ;-) About 1800 gallons last year, all weekend trips.

Glad you're up & running.

Best,
- bob

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