I've replaced everything from fuel pump to fuel filter, relay coil, ignition module, cap and rotor. will not start. have spark but low fuel pressure, pump is the 2nd brand new one.

Asked by May 19, 2017 at 07:47 PM about the 1999 Chevrolet C/K 1500 LS 4WD

Question type: Maintenance & Repair

only getting 10lbs of fuel pressure. Been chasing my tail for 2 plus weeks. It's the 5.7 vortec.

2 Answers

75,595

Does the fuel pump run, when you turn the key to the on position? Can you hear the fuel pump? Your spider injection assembly probably is leaking and would need to be replaced. This is a common problem with those year Vortec engines. The new spider injection assembly has ben upgraded.

104,295

Yep that or the fuel pressure regulator is stuck in bypass.

Your Answer

Chevrolet C/K 1500 Experts

  • #1
    Andrew Olsen
    Reputation
    3,760
  • #2
    John Saffrahn
    Reputation
    2,650
  • #3
    Rowefast
    Reputation
    2,200
View All

Related Models For Sale

Used Chevrolet Silverado 1500
190 Great Deals out of 11,134 listings starting at $1,700
Used GMC Sierra 1500
242 Great Deals out of 11,210 listings starting at $399
Used Ford F-150
649 Great Deals out of 12,607 listings starting at $3,000
Used Dodge Ram 1500
47 Great Deals out of 504 listings starting at $3,488
Used Chevrolet Tahoe
9 Great Deals out of 798 listings starting at $3,995
Used Chevrolet Camaro
906 listings starting at $12,000
Used Toyota Tacoma
39 Great Deals out of 1,081 listings starting at $7,950
Used Toyota Tundra
48 Great Deals out of 1,315 listings starting at $2,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.