PLEASE HELP, I HAVE RUN INTO A 1986 AND 1/2 NISSAN HARDBODY TRUCK WITH A 3.0 V6 WITH TBI. PROBLEM IS THE MOTOR WILL CRANK START AND THEN DIE. IF I ADD PROPANE IT WILL CONTINUE TO RUN. I HAVE CHECK ALL PARAMETERS AND ALL CHECK OUT OK. MOTOR ACTS LIKE IT HAS A ... Login to read more.