The ultimate guide to Ford F53 chassis ownership covering everything from routine maintenance to advanced troubleshooting. Learn about common issues, upgrade options, and keep your motorhome running reliably.
P068A indicates an ECM/PCM Power Relay Control Circuit malfunction in your Ford V10. This typically involves a faulty power relay, damaged wiring, or ECM issues causing engine stalling and starting problems.
Your Ford F53 460ci is stalling due to carbon buildup in the EGR valve disrupting idle air/fuel mixture. Clean the EGR valve and passages thoroughly, or consider an EGR delete with ECU tune for a permanent solution.
Common firewall modules on 2001 F53 include GEM, Ignition Control Module, and Fuel Pump Driver Module. Your overheated module with heat sink sounds like a power-handling component. Post photos to Ford truck forums for exact identification. Trace wires to identify function.
Year of storage without stabilizer causes carburetor varnish. Carburetor needs thorough cleaning or rebuild - soaking, jet cleaning, new gaskets. Running rough and stalling under load are classic symptoms of blocked jets from old fuel residue.
If total repairs exceed 50% of replacement cost with problems continuing, replacement makes sense. Refurbished Onan from reputable source with warranty is good option. Get thorough diagnosis before deciding - intermittent issues can often be isolated.
Your engine stalling when rolling to a stop combined with inconsistent transmission behavior suggests issues with idle control, torque converter lockup, or vacuum leaks. The intermittent nature points to specific components that need diagnosis.
Ford V10 Fuel Pump Driver Module FPDM on Allegro Bus is on driver side frame rail near fuel tank. Small black box with single connector. Common failure point causing starting or stalling issues.
Without seeing the specific image, the two valves on a 1995 Ford F53 460 7.5L are likely the EGR valve and PCV valve, or possibly AIR system components. These emission control valves should operate quietly during normal engine operation.
V10 dying in sharp turns often low power steering fluid or dirty IAC valve. Check fluid first. Clean IAC if fluid OK.
Your 1995 F53 460 7.5L is stalling due to a failing ignition control module (ICM). Since you've confirmed the spare ICM fixes the problem, replace the faulty module and carry a spare for peace of mind while traveling.