my 04 truck was skipping , and pushing out water so i installed head studs , head gaskets , new oil cooler , egr delete , 8 new injectors , mill and pressure test heads , and now its skipping , and smoking some and has no power , and the fan blows hard right from start up and does not stop . so i just found these codes : uo 235 , P0603 , P1000 . Please help if u know of anything that may help me , IAM BROKE NOW ! thanks

 

ok dont worry about the the p0603 that is a voltage issue from low batteries. its the KAM (keep alive memory). p1000 is moniters not cleared.
I would try to clear the u0235 and see if it hard faults. if so I would start there. also was the engine pulled or the cab lifted to install studs? if a cab lift was done check connectors at left side of engine on inner fender.
how long did you drive the truck after it was done

 

i did it in the cab , it has ran for about an hour . and the heat gauge is pegged but engine is cold .

 

i think i may have rocker arm or pushrod problems . what ya think ? I know i need a temp censer , will get it monday ,

 

when you did the job, if you did not position the notch in the crank pulley at 6 oclock you bent a pushrod if you're lucky, a valve if you're not

 

you are correct ! I just took it back apart and it has a bent push rod ! Why does the crank have to be at 6 oclock ?

 

as per the wsm the 6 oclock position is correct. the idea here is that none of the pistons are up. but lets look at this a little bit differently. the crank/cam is grear driven and there for to make valves hit and bend do to not setting the engine at6 oclock is really not possible. now there is a knowen issue with lifters pumping up and causing bent push tubes and for some reason its almost always #5. I have seen a buch with bent push tubes and never seen one bend a valve. If you find out that you do have a bent tube then just replace the tube and give it ago and see what happens.

 

thanks guys ! i will replace the pushrod tomorrow and see what happens .