My 2001 dodge 1500
How long does it run before shutting down?
Depending on mileage, you could be experiencing just a break down of simple electrical parts, such as the fuel pump relay, typically a relay works just like a switch, but instead of you turning that switch on, its operated by electromagnetism, and the actual piece of metal that moves (the switch) experiences arc between its self and the contact its connecting too this arc breaks down the two contacts involved, and after a while you end up with a relay that will work fine until it gets hot, then it begins to lose continuity and will start to buzz. you could be experiencing the same issue with the coil, believe it or not they can partially fail as well due to heat increasing the electrical resistance, once it gets too hot it trips a self resetting circuit breaker, this breaker will try to reset and wont be able to reset until the amperage flowing through the circuit is back to what it should be. which would explain why it has no spark or fuel and then an hour later (once things have cooled off) it will work again.
I changed out geul relay an still won't start it used to not start after I drive awhile then I park after a couple of hours it cranks but now it takes almost a whole day to start turned off at 630 am now still won't start had fuel pump changed also
I don't have an answer I'm looking for onr
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