I replaced the tranny pump, got it all put back in truck, added 4 quarts of fluid, cranked it up. I continued to add more fluid, while it was sitting in idle, then it died. now it won't crank. it's not getting power to the fuel pump, or the spark plugs, and the onboard computer in the dash blinks "no bus" and codes 920 and 921. I've checked everything I know to check. any ideas?
NO BUS IN CHRYSLER MEANS YOU HAVE PROBLEM WITH ECU(ENGINE COMPUTER) OR DATA LINE DISCONNECT THE TRANSMISSION COMPUTER AND WIRING TO TRANS SEE IF IT COMES BACK IF YES PROBLEM IS IN YOUR TRANS OR TRANS COMPUTER (TCM)
SOURCE: 95 Dodge Dakota 4 Cyl Dies
try replacing the coil, my 2.5 did the same thing, and after changing plugs,wires,distributor,rotor,rotor button . the last thing i repalced was the coil and i have not had an issue since. all work was done about 6 months ago.
SOURCE: 1997 DODGE RAM 1500 360 VERY LOW IDLE
I think you have ruled out the engine with all the parts you have replace. The transmission torque convertor is in lock up mode all the time. The engine is having to hard of a time to stay at the normal idle. The over drive clutches and soleniod are most likely damaged in the transmission.
I think you should take the vehicle to a trasnmission shop , The can check the torque convetror soleniods and pressure control soleniod.
The oil light coming on bothers me. I know you have the rebuilt engine in the vehicle but I think the oil pump in the engine is starting to go out or could be weak. The lower bearings connected to the crank shaft might be starting to leak. Have the oil pressure checked .
SOURCE: 1996 Dodge Stratus stalls when starting
I had this problem with my 99 Durango and went to AutoBeef.com to discover this was a major problem with 98 & 99 Durangos. The fix was easy -- PCM "brain" was exchanged with a refurbished PCM "brain" from an online PCM company in Florida. You can google as I can't remember name of company. I called them and they said - Yep this is the fix -- the guys told me 3 screws all I had gone to several mechanics and dealers -- none could figure it out. I was so grateful that someone gave me the clue I needed.
SOURCE: 1994 Dodge Caravan transmission
You should add enough fluid to register on the stick. Just add 1 quart at a time and check the stick.
Don't assume that the torque converter is completely full.
Once you are up to the proper level, test to see if it goes forward and backward OK.
Hopefully the transmission is OK after being possibly run with no fluid in it.
Let the vehicle sit and idle and look on the ground for leaks, watch for the hoses that go to the radiator as they are prone to leak sometimes.
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