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05-28-2017, 01:42 PM
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#1
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Member
Join Date: Mar 2017
Posts: 54
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Motor home doesn't go above 25mph
Hey all,
I have a 1990 Holiday Rambler-Monitor Ford F-53 chassis with the 460 in it.
Recent work done:
New Full tune up
New Fuel pump
Fuel system flushed
Injectors cleaned
New ICM
Checked catalytic converter and it's cleared
PROBLEM:
I have not been able to get my rig past 25mph. It bogs down and backfires every now and then. If I let it cool down for an hour or so, I can get moving again.
Speedometer and milage do not work. Overdrive light keeps flashing. So far no codes. Just have 26 more miles to get it home.
Solution??
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05-28-2017, 02:50 PM
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#2
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Senior Member
Gulf Streamers Club
Join Date: Jan 2012
Location: Cincinnati
Posts: 19,925
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Check all vacuum lines, PVC valve, and also your air cleaner. In neutral, can you increase RPMs without issue?
__________________
Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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05-28-2017, 02:50 PM
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#3
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Senior Member
Winnebago Owners Club Ford Super Duty Owner
Join Date: Aug 2010
Location: North Wildwood, NJ
Posts: 527
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Quote:
Originally Posted by Skrewball
PROBLEM:
I have not been able to get my rig past 25mph. It bogs down and backfires every now and then. If I let it cool down for an hour or so, I can get moving again.
Speedometer and milage do not work. Overdrive light keeps flashing. So far no codes. Just have 26 more miles to get it home.
Solution??
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Not having had the same situation but owning an F53 I did a Google Search of "FORD F53 won't go past 25 mph bogs down and backfires speedometer and mileage don't work Overdrive light keeps flashing." and found that the Flashing Overdrive light on the Fords is the Check Engine light for the transmission. The search produced many hits but no quick fixes. Mostly take it your dealer advice. I would check the transmission fluid so the transmission doesn't burn up as the problem may be just a sensor. Sorry I can't help further.
__________________
Bob and Cathy
2015 Itasca Sunova 33c towing a 2013 Jeep Wrangler Unlimited Sahara
Member FMCA F421963, GS Life, SKP#127220, WIT, PA,
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05-28-2017, 02:52 PM
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#4
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Member
Join Date: Mar 2017
Posts: 54
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Quote:
Originally Posted by BFlinn181
Check all vacuum lines, PVC valve, and also your air cleaner. In neutral, can you increase RPMs without issue?
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In park or neutral I can get up to 5200 rpm for a short time before it bogs down and then I can get past 3k rpm
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05-28-2017, 03:08 PM
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#5
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Senior Member
Join Date: Jan 2013
Location: Muskoka Ontario Canada
Posts: 3,142
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Sounds almost like a clogged fuel filter, but by the list of recent work you did, Im sure you have replaced the filter.
__________________
 2000 coachmen santara 370 5.9 cummins isb
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05-28-2017, 03:10 PM
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#6
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Member
Join Date: Mar 2017
Posts: 54
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Yes that was replaced as well.
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05-28-2017, 03:21 PM
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#7
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Senior Member
Join Date: Jul 2000
Location: Las Vegas, NV
Posts: 2,296
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Not a good idea to spool it up to 5400 RPM in neutral. In addition to all the other suggestions, you might want to check for a malfunctioning TPS (throttle positioning sensor) Just a thought..
Good luck resolving your problem and please let us know the fix when you find it... 
__________________
Jim & SherrySeward
2000 Residency 3790 v10 w/tags 5 Star tune & Banks system Suzuki XL7 toad
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05-28-2017, 03:40 PM
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#8
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Senior Member
Join Date: Sep 2015
Posts: 1,234
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Check fuel pressure with a gauge, get one at chain auto parts store on loaner program.
Did this issue come up after the work was done or was the work done cause of this problem
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