Hi everyone, thanks for the help I've received here in the past few weeks.

However I have another one. On my 93 F-150 5.0 EFI AOD I'm getting codes:
#84 EVR Selenoid Circuit Failure.
#33 EGR Valve Position Sensor or Pressure
Feedback Sensor indicates EGR valve is not opening or not seated properly. (Closed)

I swapped the EGR and EVP with a know working system.
Purchased a new EVR and I'm still getting same codes. I unplugged the PCM and checked pin 33 and sig ret. line to EVR - No opens or shorts.

Could this mean my PCM is faulty? I called and the Dealership said $225.00 - $235.00

Thanks for any help.

Brian & Kathy

 

Do you have a code scanner? If so, then there should be a section on clearing the codes from the memory. I think this is what you need to do. If you don't have a reader, then pull off one of the battery cables. This should also clear the codes out of your computer. You do have to leave the cable off for about 10-15 minutes I think in order for the codes to clear. (like I said "I think")

Clearing the codes should help with your problem. I know mine seems to run better, when I disconnect the battery whenever I'm working on something electrical on it.

Hope this helps.

 

Thanks for the reply. I have disconnected the battery several times in the last week. Once even overnight, but the check engine light still comes on and my code scanner gives me #84 KOEO and #33 KOER.

Thanks again,

Brian & Kathy