03 CR Engine Problems After Rebuild???

FlyingHighRacin

FlyingHighRacin

New member
Joined
Nov 12, 2008
Messages
445
Ok so I just had my motor rebuilt by one shop and I have a buddy that has a shop locally installing the motor back into the truck. My buddy has the motor and everything back into the truck and hooked up. He took it out down the road to just run it a bit and he had his scanner hooked up and it threw a cam sensor code. He also said that the tach will be at say 2000 rpm and then it will just drop for second and then pick back up. He already tried swapping the cam sensors and still has the problem. He said it does it worse sometimes in idle. He said while he was running it parked to break in the cam it did it a couple times. He said the truck starts up right away and will run but as soon as it throws the cam sensor code the rpms jump like this. He said he has double checked all wiring and everything is good there also. He was wondering if the cam gear may have possibly not been press on all the way to my new cam. Could this be the problem? Or anyone else have a problem similar and know what it is. Just really need to get it figured out because Im supposed to be headed down to TS with the truck and time is runnin out so any help would be great ASAP!

Here is how the build goes so you guys know what was done.

.020 Cummins pistons
crank ground and poilshed
12V polished and shot peened rods with ARP bolts
Hamilton 188/220
Rotating assembly balanced to 5000rpm
Head heavily ported with ti retainers, Hamilton HD springs and extreme duty push rods and ARP studs
BW S366 T4 on a second gen. Steed Speed
TC Diesel 60% CP3 with wild rail and 30000CPRV
AD150
150hp injectors
Snow stage 3 water/meth
Smarty SSR 1.7 (not currently loaded on the truck)
MPM built Tranny
 
You don't have a TST on the truck by any chance, do you? Mine did the exact same thing when I rebuilt it, except it was the crank sensor. Turned out to be my TST causing it. Symptoms were exactly the same. Clear the code, and the truck will run perfect.
 
rams-n-hogs said:
You don't have a TST on the truck by any chance, do you? Mine did the exact same thing when I rebuilt it, except it was the crank sensor. Turned out to be my TST causing it. Symptoms were exactly the same. Clear the code, and the truck will run perfect.
Click to expand...

Nope no TST.
Gonna check the cam gear.
 
You must log in or register to reply here.
Back
Top