1988 w150 help please
#1
1988 w150 help please
hey fellas I could use some help,i have a 1988 w150 5.2FI the motor locked up so I put in the 5.9FI all but im running the stock 5.2 sensors and computer the truck starts revs great but after it runs for a sec it idles up and down then driving it has no power ,it bogs down and when it warms up it cranks for a long time before it starts
it has new,
fuel pump
coil
pick up coil
plugs wires cap and rotor button
TPS
oxygen sensor
and I tried another computer from junk yard with same results
it has new,
fuel pump
coil
pick up coil
plugs wires cap and rotor button
TPS
oxygen sensor
and I tried another computer from junk yard with same results