P0304, P0401, P0455 truck running bad
#1
P0304, P0401, P0455 truck running bad
Hey guys about a week ago my truck started running real bad, down on power a lot, and very shaky at any speed or at idle, I went to autozone to get the codes and i got the 3 above in the title, I had before 0171 and 0174 and the truck ran fine and now that i got these 3 codes it runs horrible, any ideas if they are connected? i havent done anythign to the truck in the time that they came up so i assume its gotta be something connected. I do know i have a hose that goes to the vaccum hub thats split but it has been split for a while. any ideas what the problem is? its a 98 4.0 thanks.
#2
P0304-Cylinder 4 misfire
P0401-EGR Flow
P0455 - EVAP Control System Leak Detected
P0171 - System to Lean(Bank 1)
P0174 - System to Lean (Bank 2)
Here's some trouble shooting info
http://home.comcast.net/~miracerros/...wertrain_1.htm
It sounds to me like a major vacumn leak.
P0401-EGR Flow
P0455 - EVAP Control System Leak Detected
P0171 - System to Lean(Bank 1)
P0174 - System to Lean (Bank 2)
Here's some trouble shooting info
http://home.comcast.net/~miracerros/...wertrain_1.htm
It sounds to me like a major vacumn leak.
#5
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