Need help

Asked by May 10, 2017 at 05:56 PM about the 1998 GMC Sierra 1500 C1500 SL Standard Cab SB

Question type: Maintenance & Repair

I own a 98 gmc c 1500 with a vortec v6 4.3 engine .
It has 2 codes p0144 bank3 sensor 1 o2
sensor.and p0302 cylinder 2 misfire.  It starts and
runs intermittently. Any time I turn it off it's a roll of
the dice if it starts again. Problem is getting worse.  
What should I be looking at as the culprit.

1 Answer

The engine runs great half the time starts up right away and sometimes it cranks and dosnt turn over. I just re did spark plugs and wires the problem was present before I did that.

Your Answer

GMC Sierra 1500 Experts

  • #1
    dragonflyoffshore
    Reputation
    5,390
  • #2
    John Saffrahn
    Reputation
    3,740
  • #3
    Glenn Clingenpeel
    Reputation
    3,430
View All

Related Models For Sale

Used Chevrolet Silverado 1500
2,220 Great Deals out of 167,684 listings starting at $1,000
Used Ford F-150
2,485 Great Deals out of 193,493 listings starting at $799
Used Dodge Ram 1500
361 Great Deals out of 10,777 listings starting at $1,500
Used Toyota Tacoma
569 Great Deals out of 43,788 listings starting at $2,200
Used GMC Yukon
431 Great Deals out of 22,359 listings starting at $1,995
Used Ford F-250 Super Duty
314 Great Deals out of 45,034 listings starting at $1,700
Used Chevrolet Tahoe
689 Great Deals out of 41,244 listings starting at $1,995
Used Chevrolet Camaro
397 Great Deals out of 30,576 listings starting at $2,495
Used Ford Mustang
588 Great Deals out of 36,170 listings starting at $1,800

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
83 Great Deals out of 23,339 listings starting at $23,378
2016 GMC Sierra 1500 For Sale
139 Great Deals out of 4,068 listings starting at $16,990
2015 GMC Sierra 1500 For Sale
157 Great Deals out of 5,198 listings starting at $16,900
2014 GMC Sierra 1500 For Sale
166 Great Deals out of 5,010 listings starting at $13,900
2013 GMC Sierra 1500 For Sale
71 Great Deals out of 2,114 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.