why do i have to spray gas in the throttle to crank it I a new air control valve I put throttle position sensor do you have to spray gas to crank it it want crank by itself help me

Asked by Feb 07, 2016 at 09:57 AM about the 1994 GMC Sierra 1500 C1500 SL Extended Cab SB

Question type: Maintenance & Repair

1 Answer

73,795

You need to verify fuel pressure. This could be either a fuel pump or leaky injectors, spider lines, and fuel regulator. Fuel pressure should be 56 to 63 lbs. Putting gas in threw the throttle body and it fires up is a dead giveaway.

Your Answer

GMC Sierra 1500 Experts

  • #1
    dragonflyoffshore
    Reputation
    5,360
  • #2
    John Saffrahn
    Reputation
    3,700
  • #3
    Glenn Clingenpeel
    Reputation
    3,380
View All

Related Models For Sale

Used Ford F-150
2,325 Great Deals out of 184,536 listings starting at $699
Used Dodge Ram 1500
362 Great Deals out of 10,960 listings starting at $1,500
Used Toyota Tacoma
634 Great Deals out of 43,277 listings starting at $1,500
Used GMC Yukon
406 Great Deals out of 21,587 listings starting at $1,495
Used Chevrolet Tahoe
651 Great Deals out of 39,640 listings starting at $1,000
Used Chevrolet Camaro
427 Great Deals out of 30,916 listings starting at $3,550

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
79 Great Deals out of 30,079 listings starting at $18,488
2016 GMC Sierra 1500 For Sale
110 Great Deals out of 3,816 listings starting at $15,681
2015 GMC Sierra 1500 For Sale
138 Great Deals out of 4,884 listings starting at $16,900
2014 GMC Sierra 1500 For Sale
142 Great Deals out of 4,930 listings starting at $14,204
2013 GMC Sierra 1500 For Sale
74 Great Deals out of 2,043 listings starting at $8,450

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.