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92 f-150 2 wheel super 4.9 std.
I am geting a engine code 327 "EVP circuit below min of 0.2 V". I replaced the evp, have done lots of checking for vacium leaks and found a few small ones. I've cleaned every contact I know of, cleared codes and no change.
As soon as I can find one in the local parts store I am going to get a Haynes, I have a Chilton and it is no help.
Did find a leak in the vacium reservois too-fixed with solder and silicone over that.
Does anyone here know how to correct this? I really would appreciate some help.
The EGR has been replaced but not recently, it has been recently removed and cleaned though. Seems to work fine. The EVP and EVR have both recently been replaced. I did notice after changing the EVR it took slightly longer for the check engine light to come on otherwise no difference.