912 runs like a clock ....only on the 1/2 hour

[garbob42]

Here's the skinny:

I've got a 912 engine that runs about 1/2 hour, then coughs and dies. The first time I found the starter wire to the voltage regulator undone (go figure). Fitted it and crimped it. It would turn over but wouldn't start. Took it to mechanic and he put a new coil in. Two days later, same thing. Put a new electronic sensor in and got it running. Then needed to get jumped at the car wash; same thing. Got AAA and went to 1/2 hour to coffee...dies. But after a walk and coffee starts up and goes. What the...?

Anyone?

[Flieger]

Have you checked the wire mesh filter in the bottom of the fuel tank to see if it is getting clogged with rust flakes from the inside of the tank?

[C. Clark]

What distributor are you using? The .050's have a history of intermittent rotor issues (when it heats up)...?which could mimic what you are experiencing.