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George_Beggs's avatar
George_Beggs
Explorer
Aug 02, 2023

Need Help! Can't get anyone to work on my F53 6.8 engin

My class A Went into limp mode. It shows codes for the intake manifold. Roadside service hauled me to a place in Cordele, Ga. They could not get my motorhome on the lot and even if they could they would not work on it. Everyone that I have called will not work on a class A.

If anyone knows of a place that will work on a class A within 100 miles of Cordele, Ga. Please let me know. Thank you
  • enblethen wrote:
    did you clear the codes so it maybe driveable?


    I would second enblethen. Try clearing the code and see if it is driveable. Or can you see something obvious that makes you say nope it needs to be towed?
  • I had a bad throttle body on our V10. I found a mobile mechanic who fixed it in the storage area.

    The failure appeared suddenly. Did a trip, stored RV at storage area. A month later went to pick it up for a trip and it threw error codes. Ran the ScanGuage and it said it was in limp mode and throttle plate was stuck shut. Couldn’t drive it anywhere being stuck in idle mode with a max of 1000 rpm.

    Mobile mechanic used his diagnostic controls and said the throttle plate motor was working correctly to move the throttle plate, but the position sensor was bad so the position could not be measured. The sensor could not not be replaced separately so it required a new throttle body unit. Mechanic was able to replace throttle body from the front so didn’t have to open up the doghouse.

    Good thing ours didn’t die on the road, I can imagine the hassle. Hope you find a competent place to work on your rig soon.
  • Pretty easy to get a throttle body and chuck it on there. One hose and 4 bolts
  • Krusty wrote:
    Pretty easy to get a throttle body and chuck it on there. One hose and 4 bolts


    Easy on a truck, not on a van chassis. On the van chassis the throttle body is under the upper dashboard. The mobile mechanic climbed on the bumper to reach it. Don’t know about Class A accessibility. Likely under the doghouse.
  • Well, stuck, fcked, broke down vs a bunch of whining about how hard it is, or not responding to help if you’re the OP, I know where I’d be….trying to get back on the road and forego another tow bill and a bunch of downtime.
  • Have you checked the ECM fuses?
    have you had any work done under the doghouse?
  • I have not checker the fuses. My alternator was replaced a month ago. I have though of a connector coming loose. But I am in Florida and the motorhome is in Georgia.
  • do you have road care, aren't they supposed to tow you to a shop that works on motorhomes?