5.4 3v clanking at high RPM
#1
5.4 3v clanking at high RPM
So my 2004 5.4 3v 4 x 4 with 90k has been bogging down intermittently for the last 3 weeks and now it is consistant at low RPM. It will bog down and then throw you back in the seat. Yesterday taking off from a stop light, I thought it was going to die. Again yesterday, I am on the highway doing about 60 mph and I floor it because it is bogging again. I hear a clank clank at about 4,000 RPM with the tach jumping around. It did not feel as the transmission was slipping. Could this be a bad misfire or is it the transmission? I am getting no CEL's and tried scanning for codes with nothing coming up. I also have never changed the plugs and transmission was serviced at 36k and 74k with motorcraft atf.
Thanks in advance guys, if you have any ideas!
Thanks in advance guys, if you have any ideas!
#3