4.3l wont start

5

Asked by Feb 19, 2015 at 08:03 PM about the 2004 GMC Sierra 1500

Question type: Maintenance & Repair

I have an 04 gmc sierra with a 4.3, was driving one day and it just died, no warning, no
chugging, nothing. got it to restart and would run for a minute then die. did that a few
times and now nothing. got it to start by putting fuel in the throttle body and would run as
long as I kept thr rpms up. now it wont even do that. ideas anyone?

1 Answer

10

1st check to ensure that its getting fuel, if not it could be a plugged filter or the fuel pump(which is located in the gas tank). If fuel is not the issue then check to see if you are getting a spark by pulling a plug wire from one of the plugs and spark testing it. If there is no spark then test the ignition module that is located in the distributor. I've had a couple cut in and out and run a few weeks and then nothing, ever again. Of course I've assumed you already checked all the distributor wires and that the cap and rotor are good. Sometimes a cap or rotor can look fine and have a defect or failure that isn't visible but results in catastrophic failure. Good luck

1 of 1 people found this helpful.

Your Answer

Add photo

Related Questions

  • 4.3l wont start 1 answer

    I have an 04 gmc sierra with a 4.3, was driving one day and it just died, no warning, no chugging, nothing. got it to restart and would run for a minute then die. did that a few times and now nothin...

    2004 GMC Sierra 1500

    -

    Maintenance & Repair

  • Wont start 2 answers

    Replced battery, starter and alternater still wont start. Please any help would be appreciated.

    1997 GMC Sierra 1500 C1500 GT Standard Cab SB

    -

    Maintenance & Repair

  • crank but wont start 1 answer

    replaced fuel pump and filter ran great started right up went over bumps now same issue wont even start after priming

    1996 GMC Sierra 1500

    -

    Maintenance & Repair

  • Wont start 1 answer

    I have a sierra 1500 that won't start today. It'll try too but only turn over for a split second. After multiple trys, now it draining the battery fast when i try to start it

    1999 GMC Sierra 1500 SLE 4WD Extended Cab Stepside SB

    -

    Maintenance & Repair

  • Truck will turn over but wont start 2 answers

    The fuel pump is working fine we checked it. also put a new fuel filter in it. Gas gets to the filter fine.We tried putting gas down the carb and it run till the gas burns,Then just turns over but won...

    1996 GMC Sierra 1500 C1500 SLE Standard Cab LB

    -

    Maintenance & Repair

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 5,100
#2 John Saffrahn
John Saffrahn
Reputation 3,560
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 3,240
View All

Related Models For Sale

Used Chevrolet Silverado 1500
1,773 Great Deals out of 181,200 listings starting at $250
Used Ford F-150
2,055 Great Deals out of 207,336 listings starting at $1,499
Used GMC Sierra 2500HD
98 Great Deals out of 13,465 listings starting at $2,650
Used Toyota Tundra
436 Great Deals out of 34,677 listings starting at $2,990
Used Dodge Ram 1500
411 Great Deals out of 10,833 listings starting at $1,400
Used Toyota Tacoma
476 Great Deals out of 41,590 listings starting at $1,995
Used Chevrolet Silverado 2500HD
299 Great Deals out of 28,182 listings starting at $2,495
Used GMC Yukon
382 Great Deals out of 19,299 listings starting at $2,000
Used Chevrolet Tahoe
559 Great Deals out of 31,371 listings starting at $1,500
Used Ford F-250 Super Duty
329 Great Deals out of 46,261 listings starting at $1,450
Used GMC Canyon
81 Great Deals out of 10,546 listings starting at $2,495
Used Chevrolet Colorado
242 Great Deals out of 24,816 listings starting at $2,499
Used GMC Sierra 1500HD
5 Great Deals out of 116 listings starting at $2,995

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
51 Great Deals out of 45,355 listings starting at $23,408
2016 GMC Sierra 1500 For Sale
88 Great Deals out of 3,572 listings starting at $17,671
2015 GMC Sierra 1500 For Sale
107 Great Deals out of 4,044 listings starting at $14,999
2014 GMC Sierra 1500 For Sale
100 Great Deals out of 4,278 listings starting at $14,495
2013 GMC Sierra 1500 For Sale
46 Great Deals out of 1,925 listings starting at $10,950

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.