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

72,995

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

Add photo

Related Questions

  • 1998 GMC Z -71 acts like it jumped timing 1 answer

    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 wil...

    1998 GMC Sierra 1500 K1500 SL 4WD Extended Cab SB

    -

    Maintenance & Repair

  • Stalling out and wont stay running. Acts like it wants to run but gets choked out. 53 answers

    I have a similiar problem as devin, my 95 Sierra 4x4 it has a 350 5.7L engine and the fuel filter has been replaced I cleaned the injectors out and put a new gasket on. The shop said I have good fuel ...

    1995 GMC Sierra 1500

    -

    Maintenance & Repair

  • 1998 gmc 1500 4.3liter 3 answers

    Truck starts then stops immediately. Replaced fuel pump, fuel regulator, new pplugs , wires, distributer cap and button n a new coil. Put new intake gaskets on it wen I changed regulator. Dnt no wa...

    1998 GMC Sierra 1500

    -

    Maintenance & Repair

  • i hav a 1998 gmc serria 2wd my gas tank wont accpect gas after like 10-20 $ of gas than it over fills somehow 5 answers

    i have tried to putgas in my gas tank but once i get to a point it starts to come back up the fuel tank neck and over fill and i dont know wat to do cuz my truck runs fine but i just can put more than...

    1998 GMC Sierra 1500 C1500 SL Extended Cab LB

    -

    Maintenance & Repair

  • 1998 Gmc seirra 1500 starts sometimes. 1 answer

    My 1998 GMC has been running fine for months. yesterday I parked it for maybe 2 minutes and went to start it again and nothing. It didn't even turn over. the lights the horn and the radio all work fin...

    1998 GMC Sierra 1500 K1500 SL 4WD Extended Cab LB

    -

    Maintenance & Repair

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 5,300
#2 John Saffrahn
John Saffrahn
Reputation 3,660
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 3,340
View All

Related Models For Sale

Used Chevrolet Silverado 1500
158 Great Deals out of 10,457 listings starting at $100
Used Ford F-150
432 Great Deals out of 9,117 listings starting at $922
Used Dodge Ram 1500
53 Great Deals out of 527 listings starting at $2,995
Used Toyota Tacoma
29 Great Deals out of 814 listings starting at $5,995
Used GMC Yukon
19 Great Deals out of 841 listings starting at $5,950
Used Chevrolet Tahoe
7 Great Deals out of 623 listings starting at $6,871
Used Ford F-250 Super Duty
19 Great Deals out of 800 listings starting at $6,000
Used Chevrolet Camaro
782 listings starting at $13,040

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
15 Great Deals out of 6,759 listings starting at $24,295
2016 GMC Sierra 1500 For Sale
26 Great Deals out of 221 listings starting at $21,988
2015 GMC Sierra 1500 For Sale
64 Great Deals out of 571 listings starting at $20,950
2014 GMC Sierra 1500 For Sale
30 Great Deals out of 524 listings starting at $16,994
2013 GMC Sierra 1500 For Sale
27 Great Deals out of 247 listings starting at $10,995

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.