1998 GMC Z -71 acts like it jumped timing

Asked by Feb 07, 2017 at 10:26 PM about the 1998 GMC Sierra 1500 K1500 SL 4WD Extended Cab SB

Question type: Maintenance & Repair

My truck acts like it jumped timing but pull #1 TDC
and rotor button points at #1 on distributor cap, so
it's in time. It lags to start so bad burnt one starter
up. If pedal is held to floor it will crank but won't ifle

1 Answer

73,805

May have a fuel pressure issue, or ignition issue. Check to see if you have spark. If so, then there may be a problem with the spider injection, or the fuel pump. Fuel pressure should be checked after replacing the fuel filter, it should be 56 to 63 lbs. at the Schrader Valve.

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 Chevrolet Silverado 1500
179 Great Deals out of 11,110 listings starting at $999
Used Ford F-150
473 Great Deals out of 10,109 listings starting at $3,450
Used Dodge Ram 1500
47 Great Deals out of 536 listings starting at $1,300
Used Toyota Tacoma
40 Great Deals out of 879 listings starting at $5,990
Used GMC Yukon
16 Great Deals out of 974 listings starting at $3,000
Used Chevrolet Tahoe
4 Great Deals out of 721 listings starting at $4,995
Used Ford F-250 Super Duty
22 Great Deals out of 891 listings starting at $6,800
Used Chevrolet Camaro
3 Great Deals out of 814 listings starting at $12,995

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
25 Great Deals out of 4,992 listings starting at $28,495
2016 GMC Sierra 1500 For Sale
28 Great Deals out of 280 listings starting at $20,988
2015 GMC Sierra 1500 For Sale
59 Great Deals out of 576 listings starting at $18,994
2014 GMC Sierra 1500 For Sale
47 Great Deals out of 480 listings starting at $17,995
2013 GMC Sierra 1500 For Sale
28 Great Deals out of 242 listings starting at $10,560

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.