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10-24-2021, 01:14 PM
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#1
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Senior Member
Join Date: May 2018
Location: Cape Coral fla
Posts: 114
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New 7.3 looking for guess what’s wrong
On the way home from Disney we got a flashing engine light. Ran good no issues there made it to gator Ford and dropped it off. Any guess on what it is
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10-24-2021, 02:02 PM
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#2
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Senior Member
Join Date: Jan 2020
Posts: 1,852
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My buddies new 7.3 CEL came on last week on way home. His also ran as if no issues. He ran a code reader over it today,....loose gas cap.
__________________
2017 Fleetwood Bounder 36Y
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10-24-2021, 02:09 PM
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#3
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Senior Member
Join Date: May 2018
Location: Cape Coral fla
Posts: 114
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I checked that and it was tight but maybe we called coach net and was told not to drive it thanks for the input
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10-24-2021, 02:16 PM
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#4
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Senior Member
Join Date: Oct 2020
Posts: 499
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Flashing engine light indicates a more significant problem than a steady light. Odds are that it is a misfire in one or more cylinders caused by faulty spark plug wire(s). Ford’s vendor delivered deficient wires and they are failing from the engine heat. The replacement part is an improved design. It’s an easy repair - doesn’t even require any tools. Well, other than a computer to read the engine fault code.
Ford may replace all 8 plug wires or only the failed one(s) depending upon the date which the chassis was manufactured. If the later I suggest replacing the remaining wires even though you will have to pay out of pocket. It beats having the problem recur. The wires are not expensive - about $15 each at retail. Installation takes perhaps 15 minutes - just pull the old ones off and push the new ones on. You can see the plug wires looking in over the top of the front tire on the side of the engine - use a flashlight.
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10-24-2021, 02:17 PM
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#5
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,442
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Steady CEL could be just about any of 100 + codes.
Flashing CEL , narrows it down , but not much , the vehicle should not have been driven any distance , as per the owners manual and the info from Coachnet.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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10-24-2021, 02:21 PM
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#6
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Senior Member
Join Date: May 2018
Location: Cape Coral fla
Posts: 114
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We just barely got off the highway to get her Ford we were right there so we didn’t drive it more than three or 4 miles
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10-24-2021, 03:50 PM
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#7
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Senior Member
Join Date: May 2018
Location: Cape Coral fla
Posts: 114
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The weird thing is it ran great
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10-24-2021, 03:55 PM
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#8
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Jun 2016
Location: On the continental divide
Posts: 2,622
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Buy a code reader !!!!!!!!!
And keep it in the coach !!!!!
__________________
2004 Fleetwood Pace Arrow 37c, 8.1 gasser, (Jezebel) Ultra RV ECM / TCM, plugs wires, and rear track bar, PPE deep Tx pan w/ temp gage, Bilstein's, Sailun's & Sumo's all round, pushed by a 2002 Grand Caravan, on a Master Tow Dolly OR a WR-250 on a rail.
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10-25-2021, 11:46 AM
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#9
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Member
Ford Super Duty Owner
Join Date: Jul 2014
Location: Faribault, Mn
Posts: 64
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Gas Cap Warning Light Gave me a message of a loose cap. Finally replaced cap.
Bluetooth Code Reader a little more but you can leave it plugged in and can access it from phone or laptop
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10-26-2021, 07:44 AM
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#10
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Senior Member
Join Date: May 2018
Location: Cape Coral fla
Posts: 114
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Well the verdict is in 8 bad plug wires
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10-26-2021, 01:05 PM
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#11
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Member
Grand Design Owners Club
Join Date: Dec 2020
Posts: 45
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What was the code for plug wires?
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10-26-2021, 02:10 PM
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#12
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Senior Member
Join Date: Mar 2019
Posts: 5,689
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Quote:
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Originally Posted by Daverene
Well the verdict is in 8 bad plug wires
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Probably this TSB: https://static.nhtsa.gov/odi/tsbs/20...83414-0001.pdf
If you open the hood and do not see the big, square hole cut in the baffle on the passenger side of the radiator the TSB has not been accomplished.
That hole is about 11.5" by 11.5" so it should be quite obvious either way.
Ray
__________________
2020 Forest River Georgetown GT5 34H5
2020 Equinox Premier AWD 2.0L/9-speed
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