RV not starting anymore (?)
I was given an RV last summer, which had been parked in the driveway for 18 years, with only 29,000 miles. The carburetor was taken for another RV, then the owner passed away. I bought a new carbureto...
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It probably has the 440 engine which means that parts are still available. I would go to basics and just use jumper cables from a SINGLE good 12 volt battery and see if you can get the starter to turn the engine over.
If that works, then you might have a timing issue, which was causing the backfiring. You also need to insure that the carb is getting fuel, which may have gone bad from the coach sitting so long. The fuel lines could be clogged, the fuel filter clogged, the fuel line broken or cracked, etc.
You just need to go through one thing at a time until all issues are corrected. Dealing with a vehicle that sat for so long is a big challenge.
If that works, then you might have a timing issue, which was causing the backfiring. You also need to insure that the carb is getting fuel, which may have gone bad from the coach sitting so long. The fuel lines could be clogged, the fuel filter clogged, the fuel line broken or cracked, etc.
You just need to go through one thing at a time until all issues are corrected. Dealing with a vehicle that sat for so long is a big challenge.
