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98 Posts
I've owned this 2007 420FM for 5 years.
It has been sitting for months (a year?) with treated (I think) gas in the tank. It was on a Battery Doc maintenance charger but the battery had degenerated during the storage period. I installed a new battery and punched the button, It started but with vigorous cranking but needed a few seconds of throttle blipping to settle into an idle. I figured fuel was starting to turn and added a gallon of fresh to the tank.
I used it to tow my trailer and collect tree debris from multiple locations and deposit them in a disposal site. This required probably 20 starts with short hops (20-30 yards) between them. After the initial warm up, I shut the unit off when not moving. Speeds were 1st gear slow. I rode it to the garage and parked it after 4 or 5 hours of this.
The Rancher wasn't interested in participating in this activity the next morning. It cranked enthusiastically. It had spark; good strong spark. I initially checked it with a spare plug on the lead. Then I pulled the one on duty. It has some crusty deposits on the ring but it still fired strongly. I replaced it with a fresh one. No joy.
EDIT BELOW. Premature posting problem.
I'm not hearing the pump do anything when the key is turned. But, there is a short buzz from something near the throttle body. I disconnected the fuel line at the throttle body. No fuel flowed when the key switched on and petcock in run position. I removed and disassembled the pump housing. The fuel filter (pre-update bottom mount) is blackened. The housing had a crusty build up over its entire surface. I scrubbed and scraped it off.
I applied direct power to the pump leads. No response. I disconnected the pump leads and checked for continuity with my meter. It's good. I ran leads straight from the battery to the positive and negative contacts. Nothing but silence from the pump. I'm thinking this is proof of a bad pump. BUT...
Do you who have been down this road think that it could be the PGM or the relay? do you think it could be the bank sensor? Or...do you think Im right about the pump?
ANOTHER EDIT Why are my attempted posts missing...days after I tried to post them? So it seems that I can edit them, if they appear on the board, but at least 6 new thread starts or response posts seem to
have vaporized. Mods can't find them. Why is this post visible and others lost? MIND BLOWN!
It has been sitting for months (a year?) with treated (I think) gas in the tank. It was on a Battery Doc maintenance charger but the battery had degenerated during the storage period. I installed a new battery and punched the button, It started but with vigorous cranking but needed a few seconds of throttle blipping to settle into an idle. I figured fuel was starting to turn and added a gallon of fresh to the tank.
I used it to tow my trailer and collect tree debris from multiple locations and deposit them in a disposal site. This required probably 20 starts with short hops (20-30 yards) between them. After the initial warm up, I shut the unit off when not moving. Speeds were 1st gear slow. I rode it to the garage and parked it after 4 or 5 hours of this.
The Rancher wasn't interested in participating in this activity the next morning. It cranked enthusiastically. It had spark; good strong spark. I initially checked it with a spare plug on the lead. Then I pulled the one on duty. It has some crusty deposits on the ring but it still fired strongly. I replaced it with a fresh one. No joy.
EDIT BELOW. Premature posting problem.
I'm not hearing the pump do anything when the key is turned. But, there is a short buzz from something near the throttle body. I disconnected the fuel line at the throttle body. No fuel flowed when the key switched on and petcock in run position. I removed and disassembled the pump housing. The fuel filter (pre-update bottom mount) is blackened. The housing had a crusty build up over its entire surface. I scrubbed and scraped it off.
I applied direct power to the pump leads. No response. I disconnected the pump leads and checked for continuity with my meter. It's good. I ran leads straight from the battery to the positive and negative contacts. Nothing but silence from the pump. I'm thinking this is proof of a bad pump. BUT...
Do you who have been down this road think that it could be the PGM or the relay? do you think it could be the bank sensor? Or...do you think Im right about the pump?
ANOTHER EDIT Why are my attempted posts missing...days after I tried to post them? So it seems that I can edit them, if they appear on the board, but at least 6 new thread starts or response posts seem to
have vaporized. Mods can't find them. Why is this post visible and others lost? MIND BLOWN!
