Also, the stalling and no warm start occur everytime the engine gets fully warmed up (the temp gage is straight up not in the red or even close). Going down hill only sometimes causes backfiring. It has done the occasional backfiring going downhill for over a year. It seems to be related to the engi...

No error codes at all. I also tried disconecting the air temp sensor which did not help anything. I don't know what to try next, please help. Thanks.

Please help. My 740 stalls everytime it gets warmed up and then will not start again until it cools down. It now idles rough and backfires when going downhill with foot off of the accelerator. I have read for hours trying to find this same problem. I have put new plugs and wires on, replaced the kno...