Truck will not start... Cranks over and over, keeps on cranking, back fires... Where do I begin to look for issue ???

Asked by Jan 03, 2013 at 09:29 AM about the 1998 GMC Sierra 1500 C1500 SLE Extended Cab SB

Question type: Maintenance & Repair

1998 Gmc 4.3 Vortec... Got truck
started once, ran a few days like it
had no problems, cut it off in drive
way went back next day, would not
start, same issue... Im puzzled... Blew
the muffler apart trying to start it...
Big boom !!!

3 Answers

had same isuue with a deawoo (i know try and stop laughin, whata pile of junk)anyhow. it started to bring me home from work, next mourning same thing. big back fire, muffler in pieces. turn out the timing belt had gone bad. my suggestion is to check the timing with a light, hope this helps.

10

There is a tsb for a no start condition or poor idle back fire etc. The cranshaft position sensor has been known to cause this

1 of 1 people found this helpful.
34,335

If timing turns out to be ok then check fuel pressure.

2 of 2 people found this helpful.

Your Answer

Add photo

Related Questions

Sierra 1500

Looking for a Used Sierra 1500 in your area?

CarGurus has 68,001 nationwide Sierra 1500 listings starting at $1,700.

ZIP:

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 5,270
#2 John Saffrahn
John Saffrahn
Reputation 3,640
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 3,330
View All

Related Models For Sale

Used Chevrolet Silverado 1500
1,934 Great Deals out of 182,332 listings starting at $999
Used Ford F-150
2,085 Great Deals out of 192,330 listings starting at $290
Used Dodge Ram 1500
399 Great Deals out of 10,884 listings starting at $1,000
Used Toyota Tacoma
551 Great Deals out of 42,266 listings starting at $1,995
Used GMC Yukon
419 Great Deals out of 20,458 listings starting at $1,495
Used Chevrolet Tahoe
591 Great Deals out of 33,009 listings starting at $1,500
Used Ford F-250 Super Duty
331 Great Deals out of 43,931 listings starting at $1,450
Used Chevrolet Camaro
372 Great Deals out of 31,228 listings starting at $2,500

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
82 Great Deals out of 43,561 listings starting at $23,368
2016 GMC Sierra 1500 For Sale
96 Great Deals out of 3,450 listings starting at $17,670
2015 GMC Sierra 1500 For Sale
95 Great Deals out of 4,291 listings starting at $12,899
2014 GMC Sierra 1500 For Sale
93 Great Deals out of 4,180 listings starting at $13,995
2013 GMC Sierra 1500 For Sale
52 Great Deals out of 1,954 listings starting at $8,999

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.