Jay87LX
Full Access Members
Hi Guys,
I just bought a 2003 XLT, 5.4, 93K, a clean, well maintained truck. I was on the highway yesterday and the truck died, coasted to the side of the road and called a tow. It did set the eng light and a P0320 code. As I was waiting for the tow it would start and run but after 30 sec of idling it would die, like it ran out of fuel or if I started it back up and reved the enging as soon as it came back down it would die but start right back up.
After some research I am lead to a Crank pos sensor, no problem, I replaced it in my 99 so no big issue, but I also read to look for the harness that comes from the alt to the battery as it rests on the AC tube and can wear through and short, I looked at the wire, pulled the tape back and there is no wear at all.
So I started the truck and the battery light is still on so I took a jumper wire and went from the alt to the battery, basically in my mind replicating the fusible link but the battery light didn't shut off, maybe that wasn't the right way to test it but in my mind I tried it.
It almost seems as if, coincidently, I got 2 problems at the same time? the P0320 (crank pos sensor) and the battery light or are they connected?
I am also confused as it seems it would run out of fuel? is that because once the ckp isn't sending a signal it shuts the fuel off??
Any direction to head or just replace the fusable link harness between the alt and battery as well as the CKP sensor??
I know this is simple maintenance stuff but other than this I love the truck
Thanks
I just bought a 2003 XLT, 5.4, 93K, a clean, well maintained truck. I was on the highway yesterday and the truck died, coasted to the side of the road and called a tow. It did set the eng light and a P0320 code. As I was waiting for the tow it would start and run but after 30 sec of idling it would die, like it ran out of fuel or if I started it back up and reved the enging as soon as it came back down it would die but start right back up.
After some research I am lead to a Crank pos sensor, no problem, I replaced it in my 99 so no big issue, but I also read to look for the harness that comes from the alt to the battery as it rests on the AC tube and can wear through and short, I looked at the wire, pulled the tape back and there is no wear at all.
So I started the truck and the battery light is still on so I took a jumper wire and went from the alt to the battery, basically in my mind replicating the fusible link but the battery light didn't shut off, maybe that wasn't the right way to test it but in my mind I tried it.
It almost seems as if, coincidently, I got 2 problems at the same time? the P0320 (crank pos sensor) and the battery light or are they connected?
I am also confused as it seems it would run out of fuel? is that because once the ckp isn't sending a signal it shuts the fuel off??
Any direction to head or just replace the fusable link harness between the alt and battery as well as the CKP sensor??
I know this is simple maintenance stuff but other than this I love the truck
Thanks