My truck, 2002 Ram, 4.7L has been having some serious issues for the past year.

I suspect injector problems because of multiple misfires, and injector circuit trouble codes.

Here are the codes,

P0846 Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance
This one is interesting as I've had no problems with the transmission until ONCE 2 days ago when I shifted into drive and it really had a hard time moving. it went away after a few seconds and everything is back to "normal" as far as the transmission goes, but I still have this code.


I may have some of these wrong in terms of which cylinder is reporting the problem, but these are the basic codes coming up for the problems I'm having, I'll double check the list I have in my truck to make sure these are in the right order.

P0202 Injector circuit malfunction Cylinder 2
P0204 Injector circuit malfunction Cylinder 4
P0206 Injector circuit malfunction Cylinder 6
P0208 Injector circuit malfunction Cylinder 8

P0300 Multiple cylinder misfire
P0302 Cylinder 2 misfire
P0305 Cylinder 5 misfire
P0306 Cylinder 6 misfire
P0307 Cylinder 7 misfire

So basically the truck runs like crap and should just be put to death but I have no way of getting any kind of other vehicle for the forseeable future, so I really need to fix this to some degree.

I'm basically just spitting gas out the tail pipe, and getting 7MPG or less.

Also I would love to know the specific meaning of the MIL flashing.

 

codes decode

http://www.obd-codes.com/trouble_codes/

 

I know what the codes are, I need to know what the problem is and how to fix it.

Based on those codes (cylinder misfires, injector circuit malfunction) I would guess it's an injector problem.

I would like to confirm this before I go and get a set of injectors from the yard.

 

Nobody knows if this an injector problem or something else?

 

ok, new problem (sort of) now on top of the MIL flashing, it's dinging. It'll ding 2 or 3 times in a row and now it's getting annoying as it keeps doing it while I'm driving.

I'm kind of between a rock and a hard place right now.

 

See, the problem IS.

you post a lot of codes.. so everyone wishing to help you HAS to decode the codes.... and then address your problem..

that is why I posted the link.. you post WHAT the codes mean...
others will answer your questions....

my opinion... and costs you nothing.

 

My bad, I'll go back and edit my original post to include the description of the code.
If I'm not mistaken the link you provided didn't have some of those codes, but I can find them anyway.

Give me a few mins to dig them up and edit my post.

EDIT

Fixed.

 

I'd be looking at my oil for signs of milkyness, cause you'd get cylinder misfires and injector malfunctions with a major head/head gasket issue.

 

I'm fairly certain it does have a head gasket issue, but that aside my oil is not milky.

I actually just changed it after about 20k and it was normal looking (Royal Purple)

 

Good deal, but those were the same two codes I got when the valve seat dropped in my old Grand Cherokee's 4.7. BIG TIME head failure, only difference was, even though I got multiple cylinder misfires, the only injector circuit code I got was for cylinder 2 (the one that dropped the seat)...