Have a 1996 Montero 3.0 V6 started with the pulley coming loose( Balancer ) then started running really bad then stopped now it won't start at all if you crank for a time it kind of starts with the started ingaged the coil pack has spark on the last 4 coils on the left( Stanting in front of the car ) last 2 on the right no fire, now the next problem is when looking up a ECU I find Two part numbers one is MR 430297 and the most common is MD 319641 this is a California truck does anyone know if the MD will work or does any one have any ideas why it won't start guessssinf at the ECU. Thanks John