1988 f150 5.0 4x4 problems
#1
1988 f150 5.0 4x4 problems
Hey everyone new to the forum I need some help.
I have a 1988 f150 custom short bed 4x4 5.0 with the t18 trans if I'm correct 4 speed with od.
I literally have replaced ever sensor and wires and vacuum lines on this truck she idles great.
I didnt know these trucks came with a flat tappet cam. Now I have so much fuel going out the tailpipe and can not figure it out. Also I am in California,any help I would love
I have a 1988 f150 custom short bed 4x4 5.0 with the t18 trans if I'm correct 4 speed with od.
I literally have replaced ever sensor and wires and vacuum lines on this truck she idles great.
I didnt know these trucks came with a flat tappet cam. Now I have so much fuel going out the tailpipe and can not figure it out. Also I am in California,any help I would love
#2
#3
Thank you for the heads up like I said first time on a forum
#5
#6
Hey everyone new to the forum I need some help.
I have a 1988 f150 custom short bed 4x4 5.0 with the t18 trans if I'm correct 4 speed with od.
I literally have replaced ever sensor and wires and vacuum lines on this truck she idles great.
I didnt know these trucks came with a flat tappet cam. Now I have so much fuel going out the tailpipe and can not figure it out.
I have a 1988 f150 custom short bed 4x4 5.0 with the t18 trans if I'm correct 4 speed with od.
I literally have replaced ever sensor and wires and vacuum lines on this truck she idles great.
I didnt know these trucks came with a flat tappet cam. Now I have so much fuel going out the tailpipe and can not figure it out.
I can see why you would replace brittle and cracked vacuum hoses. Why did you literally replace every sensor and wires? Have you tried retrieving fault codes? There can be codes (either active or stored) present even without the check engine light on.
#7
My fuel consumption is horrible, too. I haven't figured out how to make it better, but I'm only running on 7 at the moment, so I'd like to get that sorted first. You can find on line instructions to read the codes with a jumper wire and counting CEL flashes on the dash. Give that a try and see if anything comes up.
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