Your Onan 5500 generator's fuel pump chatter and dual light illumination indicates a control board communication error triggered by the remote harness connection. This comprehensive guide covers diagnosis, repair steps, and prevention strategies for all common Onan 5500 issues.
Essential guide for Ford E-Series Class C motorhome chassis covering suspension, maintenance, and common issues.
You can access cylinders 1 and 2 on the E450 V10 by carefully flexing wire harnesses, using flexible extensions, and working from underneath the coach. Remove the engine cover and air intake box first for better access without disconnecting major harness brackets.
The Onan 5500 can be tuned up with quality aftermarket parts when OEM parts are unavailable. Use NGK 3432 spark plugs, Wix 57358 oil filter (not 57398), and zinc-containing oils like Rotella T6 for optimal performance.
Large unused plugs in Ford E450 engine bays are typically for optional equipment like auxiliary transmission coolers, engine block heaters, or upfitter switches that weren't installed on your specific RV configuration.
Triple E built quality coaches in Canada. At 24 years old, focus on this specific units condition rather than brand reputation. Critical inspection points: water damage, engine hours, service history, roof seals. Get professional NRVIA inspection before buying.
Change plugs now at 30K - lower stuck plug risk than waiting. Use penetrating oil on warm engine, remove slowly. Apply anti-seize to new plugs. Have extractor kit as backup. Proper technique prevents most stuck plug problems.
P0171 lean code with no drivability issues is safe to continue driving for your Florida trip. Monitor for symptoms. MAF cleaning was good step - may need replacement if code returns. Check PCV and vacuum lines when convenient.
Your 1988 E350 Class C with 460 EFI has spark, fuel pressure, and timing but won't start even with ether - this points to either a faulty Mass Air Flow sensor, clogged injectors, or ECM failure. The fact that ether doesn't help is the key diagnostic clue here.
The 2007 3-valve V10 does not need EGR delete like earlier versions. Focus on regular maintenance: Motorcraft spark plugs, synthetic oil, and transmission fluid changes. Engine is reliable as-is.
Everything RV owners need to know about the Ford 6.8L Triton V10 engine including common problems and solutions.
Yes, many 2021+ Ford F53 chassis owners report needing spark plug, coil, and wire replacement well before 20,000 miles due to known quality control issues. Early replacement with quality aftermarket parts often resolves misfires and improves performance significantly.
For exhaust manifold, try muffler shops or heavy truck service centers. For VacuFlush, contact marine toilet specialists or RV dealers with SeaLand experience. Both are specialty repairs.
Ford V10 coil bolts fit better with 9/32" SAE wrench. Access cylinder 3 by removing doghouse and working from inside RV. Use wobble extensions and swivel sockets for tight areas.
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.