hard to start on 1998 GMC 1500 Pickup

98 gmc k1500 5.0L only way to start it is to put accelerator to floor,replaced fuel pump,filter,plugs, wires, rotor, cap,pickup coil,tps sensor,intake air temp sensor,and put new injector assembly in, nothing has made it run or start any better any ideas before i take it to the shop and get raped

by in Campbell Hall, NY on June 02, 2011
2 answers
ANSWER by on June 02, 2011
need a major tune up.
ANSWER by on June 12, 2012
Sounds like he did that... Check plugs for oil fowling. Valve guides leaking can cause this problem?
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