Electrical Stalled after excessive idle and now won't start, HEI failure..?
New member, 6 months into the adventure of owning my first CJ7...
While driving around town the magic words were said (It's running better than ever) and then I stopped at a store, left the jeep running, and got held up for 15-20 minutes... After I finally got back and started driving for about 30sec-1minute, it stalled and wouldn't re-fire... Had to get it towed home. (The CJ resides in south Florida, it was around 88F with 85% humidity)
- It was converted to an electric fuel pump, so I was able to cycle fuel through the dual outlet filter after it stalled in hopes it was just vapor lock.
- Opened the carb and verified there was fuel in the bowl, cycled throttle and verified jets were letting fuel .
- Had spare plugs, so I swapped those in case any happened to foul.
None of those worked so I put up the white flag and had it towed.
Once home:
The battery was still showing 12v, but I hooked it up to charger anyway because of excessive cranking, after charging completed it still wouldn't start.
I verified distributor was receiving voltage, still wouldn't start.
- Could the DUI HEI module overheat/fail because of high underhood temps from idling that long? (Fan is mechanical)
- Even though the radiator did not show signs of overheating, could idling for 20 minutes cause a failure like this?
I'm stumped, any advice on where to check next is welcome and appreciated. TY
While driving around town the magic words were said (It's running better than ever) and then I stopped at a store, left the jeep running, and got held up for 15-20 minutes... After I finally got back and started driving for about 30sec-1minute, it stalled and wouldn't re-fire... Had to get it towed home. (The CJ resides in south Florida, it was around 88F with 85% humidity)
- It was converted to an electric fuel pump, so I was able to cycle fuel through the dual outlet filter after it stalled in hopes it was just vapor lock.
- Opened the carb and verified there was fuel in the bowl, cycled throttle and verified jets were letting fuel .
- Had spare plugs, so I swapped those in case any happened to foul.
None of those worked so I put up the white flag and had it towed.
Once home:
The battery was still showing 12v, but I hooked it up to charger anyway because of excessive cranking, after charging completed it still wouldn't start.
I verified distributor was receiving voltage, still wouldn't start.
- Could the DUI HEI module overheat/fail because of high underhood temps from idling that long? (Fan is mechanical)
- Even though the radiator did not show signs of overheating, could idling for 20 minutes cause a failure like this?
I'm stumped, any advice on where to check next is welcome and appreciated. TY
