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Old 01-11-2018, 09:07 PM   #1
Skoolie
 
Join Date: Dec 2017
Location: southern maine
Posts: 114
Year: 2010
Coachwork: Coach & Equipment MFG
Chassis: ford E350 superduty
Engine: 5.4 liter v8
Rated Cap: 7 passenger
arrrgh no start ,..at the end of my rope,....

ok brainiacs,
2010 ford E350 cutaway with a gas v8 collins conversion
will not start randomly (i thought it was cold related but today was in the 40's)
brand new battery (yesterday)
started ran great brought it home from garage
son moved bus early am to plow melting slush
mid afternoon tried to move bus cranks as it should,,, no start
any ideas about what could be causing this? is there a ignition interlock i should check? appears to be totally random if it will start or not
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Old 01-11-2018, 11:28 PM   #2
Traveling
 
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Chassis: TC2000
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Quote:
Originally Posted by pbeggs View Post
ok brainiacs,
2010 ford E350 cutaway with a gas v8 collins conversion
will not start randomly (i thought it was cold related but today was in the 40's)
brand new battery (yesterday)
started ran great brought it home from garage
son moved bus early am to plow melting slush
mid afternoon tried to move bus cranks as it should,,, no start
any ideas about what could be causing this? is there a ignition interlock i should check? appears to be totally random if it will start or not
Tell us more.

Does it beep?

Does it click?

Does it crank (turn-over, but no start)

Is it really moist/humid & have ground issue?
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Old 01-12-2018, 12:01 AM   #3
Skoolie
 
Join Date: Dec 2017
Location: southern maine
Posts: 114
Year: 2010
Coachwork: Coach & Equipment MFG
Chassis: ford E350 superduty
Engine: 5.4 liter v8
Rated Cap: 7 passenger
cranks (very fast,..fresh battery yesterday,.) have it on charger to replace cranking loss
when it starts,... it starts instantly
bright lights
not a real humid area (just got done with -10 for a week)
not frozen (+40 today)
you can go out start it then a few hours later it wont start,.. then maybe the next day it will start. or not
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Old 01-12-2018, 12:15 AM   #4
Traveling
 
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Chassis: TC2000
Engine: 5.9L Cummins
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Quote:
Originally Posted by pbeggs View Post
cranks (very fast,..fresh battery yesterday,.) have it on charger to replace cranking loss
when it starts,... it starts instantly
bright lights
not a real humid area (just got done with -10 for a week)
not frozen (+40 today)
you can go out start it then a few hours later it wont start,.. then maybe the next day it will start. or not
Yeah, I still suspect humidity playing a role. Check the ground on the ECM computer (under seat?). Does your bus/State have corrosion/salt?
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Old 01-12-2018, 06:18 AM   #5
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Year: 1996
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Chassis: International
Engine: T444E 7.3L
Anyway to get a scan tool and scan the codes?
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Old 01-12-2018, 06:28 AM   #6
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Year: 1999
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Check on a ford forum. A quick search suggests that it could be the crank position sensor. Lots of folks have reported similar issues with that sensor being one of the main culprits.
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Old 01-12-2018, 06:39 AM   #7
Bus Nut
 
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Year: 1997
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Chassis: Ford e-350 single wheel
Engine: 5.4 litre
Rated Cap: 12
This or fuel pump..
Quote:
Originally Posted by EastCoastCB View Post
Check on a ford forum. A quick search suggests that it could be the crank position sensor. Lots of folks have reported similar issues with that sensor being one of the main culprits.
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Old 01-12-2018, 06:45 AM   #8
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Quote:
Originally Posted by leadsled01 View Post
This or fuel pump..
Yes, fuel pump was another one that seemed to be giving the Ford guys fits.
I know the pumps on the Crown Vics are famous for failing and being a huge PITA.
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Old 01-12-2018, 06:59 AM   #9
Bus Nut
 
Join Date: Feb 2014
Location: Cuyahoga Falls Ohio
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Chassis: Ford e-350 single wheel
Engine: 5.4 litre
Rated Cap: 12
I know the older fords had 2 fuel pumps, 1 in the tank and 1 on the frame rail. If either one wasn't working they would sometimes run and sometimes not run. P.S. I hate cars.... Try starting fluid for diagnosing.
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Old 01-12-2018, 07:48 AM   #10
Traveling
 
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or the key switch. or the fuel pump relay. or the ecu. or the curse of Henry Ford.
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Old 01-12-2018, 10:09 AM   #11
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Quote:
Originally Posted by pbeggs View Post
cranks (very fast,..fresh battery yesterday,.) have it on charger to replace cranking loss
when it starts,... it starts instantly
bright lights
not a real humid area (just got done with -10 for a week)
not frozen (+40 today)
you can go out start it then a few hours later it wont start,.. then maybe the next day it will start. or not
Guessing it's a sticky bendix or some kinda solenoid or relay

Sent from my VS500PP using Tapatalk
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Old 01-12-2018, 10:16 AM   #12
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Year: 1997
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Chassis: TC2000 FE
Engine: Cummins 5.9
Rated Cap: 72
Lots of possibilities but you can do some basic tests... Such as, check for spark, and if you have spark, that rules out entire classes of issue. If not you have a fairly small number of things to check next.

Similarly, if you spray in some starting fluid, that briefly removes the "fuel" requirement for combustion. If you get sputters with starting fluid and nothing without it, you've narrowed the issue down to fuel delivery.
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Old 01-12-2018, 11:29 AM   #13
Skoolie
 
Join Date: Dec 2017
Location: southern maine
Posts: 114
Year: 2010
Coachwork: Coach & Equipment MFG
Chassis: ford E350 superduty
Engine: 5.4 liter v8
Rated Cap: 7 passenger
thanks all
the garage that "fixed it" came and towed it again (im not paying for another tow when all i did was drive it home then had same problem)
i think there gonna look at it not just assume that it was the dead battery ( i cranked it till the batt was dying then it sat for 2 weeks in sub zero temps)
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Old 01-12-2018, 02:19 PM   #14
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Chassis: Freighliner FS65
Engine: Cat 3126
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Quote:
Originally Posted by brokedown View Post
Lots of possibilities but you can do some basic tests... Such as, check for spark, and if you have spark, that rules out entire classes of issue. If not you have a fairly small number of things to check next.

Similarly, if you spray in some starting fluid, that briefly removes the "fuel" requirement for combustion. If you get sputters with starting fluid and nothing without it, you've narrowed the issue down to fuel delivery.
Just be darn careful if removing/installing a spark plug on this 5.4 engine. Look into these motors if you aren't familiar!
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Old 01-14-2018, 11:52 AM   #15
Bus Nut
 
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One thing that gets over looked in the Fords is the ECU relay. I've been chasing a random no start issue. I replaced the fuel sending unit, fuel filter with the the sender, fuel pump relay, replaced multiple fuses, a few other sensors and electrical parts. My neighbor had the same issue with his and they replaced the power distribution panel under the hood, but didn't replace all the fuses and relays. It ended up being the ECU relay. He spent almost $2000 chasing that no start issue on a $1500 truck.
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Old 01-14-2018, 01:36 PM   #16
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I had a 2010 truck withe the same motor and almost identical electrical that loved a fuel pump fuse. After many trips/towers to the dealer it took a local tow to a junk yard friend of mine to his shop and his junkyard mechanics to figure it out.
After that I carried extra fuses for when it happened instead of a full computer replacement that the dealer wanted and didn't want to pay for.
Cheap fix for that truck and maybe not the real fix but 4-fuses in 2-years means there is a problem that even the dealer didn't want to touch.
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Old 01-14-2018, 02:36 PM   #17
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Quote:
Originally Posted by Jolly Roger bus 223 View Post
I had a 2010 truck withe the same motor and almost identical electrical that loved a fuel pump fuse. After many trips/towers to the dealer it took a local tow to a junk yard friend of mine to his shop and his junkyard mechanics to figure it out.
After that I carried extra fuses for when it happened instead of a full computer replacement that the dealer wanted and didn't want to pay for.
Cheap fix for that truck and maybe not the real fix but 4-fuses in 2-years means there is a problem that even the dealer didn't want to touch.
I have ran into fuel pumps that were going bad and they would pull to much power from drag due to bad bushings/bearings and pop fuses randomly. It always seems to be Ford. I've never had luck with a Ford made after 1979.
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Old 01-16-2018, 01:24 PM   #18
Skoolie
 
Join Date: Dec 2017
Location: southern maine
Posts: 114
Year: 2010
Coachwork: Coach & Equipment MFG
Chassis: ford E350 superduty
Engine: 5.4 liter v8
Rated Cap: 7 passenger
it was the
crank position sensor,.....
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Old 01-16-2018, 01:59 PM   #19
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Location: Eustis FLORIDA
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Chassis: Freighliner FS65
Engine: Cat 3126
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Quote:
Originally Posted by pbeggs View Post
it was the
crank position sensor,.....
I win! lol

Glad you got if figured out!
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Old 01-16-2018, 02:21 PM   #20
Skoolie
 
Join Date: Dec 2017
Location: southern maine
Posts: 114
Year: 2010
Coachwork: Coach & Equipment MFG
Chassis: ford E350 superduty
Engine: 5.4 liter v8
Rated Cap: 7 passenger
yes you do! and your prize is

the bill from the garage,
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