"I go thru this every October.
"I go thru this every October. The 135 opti ran good for 5 days on a trip and the 6th day it shut down to 1500 rpm with radical rpms at idle. It also sounds like a bad knock in the engine. I cleaned the fuel tank again, changed the plugs, put new air injectors in and put a new TPS on it. The knock is gone but the engine cranks up and sounds like it has a couple of cylinders not firing. It also cranks up sometimes and goes right to wide open throttle other times it surges from 600 to 1100 rpms. Lots of raw fuel coming out the exhaust too. Checked all the connections. Any suggestions? (2000 model)"
"I go thru this every October. The 135 opti ran good for 5 days on a trip and the 6th day it shut down to 1500 rpm with radical rpms at idle. It also sounds like a bad knock in the engine. I cleaned the fuel tank again, changed the plugs, put new air injectors in and put a new TPS on it. The knock is gone but the engine cranks up and sounds like it has a couple of cylinders not firing. It also cranks up sometimes and goes right to wide open throttle other times it surges from 600 to 1100 rpms. Lots of raw fuel coming out the exhaust too. Checked all the connections. Any suggestions? (2000 model)"