I put five gallons of gas in it and it still would not crank?

Tiny
BHOLLIMAN
  • MEMBER
  • 2016 RAM 1500
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 101,000 MILES
The fuel level sensor went out. I replaced the fuel pump and ran great for a couple of days. Apparently, the new fuel level sensor was inaccurate causing me to run out of fuel. I put five gallons of gas in it, and it still would not crank. I had it towed to the dealership for them to tell me the fuel level sensor is bad and also a bad battery. Took the battery to the auto parts store since it was still under warranty. They charged it and confirmed the battery was good. Drove to the dealership where my truck was and told them I would replace the fuel pump and had a new battery since they wanted to charge me $1,600.00 for everything. They said that would be fine as long as I didn’t mind filling up every couple of days. I put the new battery in and an extra five gallons of gas. Truck still won’t crank. It’ll run for one second and then shut off like trying to crank a cold muscle car with a carburetor. Any advice? I don’t trust the dealership anymore.
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Tuesday, August 9th, 2022 AT 8:19 PM

1 Reply

Tiny
KEN L
  • ADMIN
Yep, don't blame you, I like to do all my own work as well. Can I ask you if the security light is flashing when you try to crank the truck over? Also, we need to run the codes to see what comes up. You can get a code scanner from Amazon for about $20.00.

Here is a guide/video to show you how:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

If no codes come up, I would say the starter motor or starter relay is bad.

Here is a guide to help test the relay and its location in the diagrams as well:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

If the relay checks out this is how you change the starter motor. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.

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Wednesday, August 10th, 2022 AT 10:44 AM

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