Question about 1998 Chevrolet K1500
The problem may be that it has 55 psi instead of 60-65. Could be the fuel pressure regulator or the fuel pump itself. I have read that these engines need 60 psi minimum to start reliably. Also with the engine off, look down the throttle body with a flashlight and see if the intake appears wet inside, indicating leaking central injectors. There is an upgraded injector assembly available with pressure regulator at autoparts stores. Requires 4-5 hours to replace with experienced mechanical skill level. Would definately upgrade if the pressure regulator needs replaced anyway.
Posted on Feb 02, 2010
98 chev 1500 z71 ext cab 5.7L 4x4 ---well not start but turns over ,has 55psi of fule ,spark,air,and on codes come up on the scan tool. I have cleaned all the grounds,new fule pump last500kms, new plugs,air filter, fule filter,newer dissurbeter
it was not the frist time about this 2 weeks befor it stoped in the drive way then i changed the cam&crank stated rigth up droved it a week pull in to the shop to do some odd&ends it did not start rigth way but after 12 doz times it starts i had to shot it off to move a nother truck but my **** box never start agien.
Posted on Dec 30, 2009
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