Hi,
my name is Fabian and I'm from Germany.
I've a big problem with my RX-7. Last year I my RX get a new engine with ~5000 kilometers. In german we say "Motorrevision". Sry, but my english is not the best. The engine works without problems last year. I don't use my RX-7 only from april -> september. So the car wasn't move from oktober -> march. If I want to start the engine it work without problems. But after 2-3 minutes the engine works only at one rotor. <- I hope you understand what I mean?!
I've changed sparkplugs und the cables. The ECU is a Microtech LT-8s.
I hope anybody can help me. I'm very desprate.
If anybody need some more informations I'll post it here.
The engine has a streetport.
thx
Fabian

 

You may want to check in the Microtech section

 

It sounds like you have an injector that is failing. If the car was not stored properly with fuel stabilizer, then things like this can happen.

Is it always the same rotor that stops? Pull the spark plugs and check the plug from the dead rotor. It will probably appear clean while the other plug will show combustion residue.