GMC Sierra 2500 Questions Any type

  • Newest
  • Recently Active
  • Unanswered

Injectors Won’t Spray

I stuck the battery in backwards like a moron and now the injectors won’t spray I put a new computer in it and a relay and a pump and a filter and there is fuel pressure up to the throttle body bu...

My 99 Gmc Truck Won’t Start

Truck won’t start. Battery n starter r good all wires good n tight Doesn’t do it all the time. I have to pull tilt steering lever n slam wheel up n down a few times n it might start or I have to k...

Driver Door Ajar

I have a 2003 GMC truck, getting message , Driver door ajar and something is running down my batteries


Looking vacuum at half throtel

92 Gmc

The pickup wont stay running it will start then lose spark after about 30 seconds to a minute I've replaced the whole fuel system and ignition system except the ecm what could cause this?

89 GM Sierra K2500 Shifting Into 4 High

The only time I can shift into 4 high is if the truck is at a complete stop. Is this normal?

98 GMC 7.4 Rebuilt Recommended Oil Grade

I just had my 98 GMC 7.4 motor rebuilt. The grade on the oil cap is 5-30. The guy at the rebuild shop recommended 20-50. I live in the San Joaquin valley in California where it's a 100 plus all summ...

Turn Signals

1989 gmc 2500 turn signals will come on but want flashs

Extra Fees

Will there be any additional fees such as tags and registration fees?

Brake Lights

I’ve checked the fuse, bulbs, and wires under the steering wheel but the brake lights still won’t work. All of the other lights work on the truck

Won't Shift From 2nd To 3rd Gear

When driving & once it's in closed loop it won't shift from 2nd to 3rd gear. Already replaced tps,vss. Anyone know what I should check next?

Starter Making Loud Noise Wont Engage

Starter wont engage

My 1999 GMC Sierra Classic Usto Run On E10 But Now When I Put It In, It Doe...


Shifting Hard

My 95 sierra k2500 4x4

What Is My 1989 GMC Sierra Worth, Not Currently Running, Faded Paint?

1989 GMC Sierra Truck, not currently running, faded paint, no radio


I want to rebuild my 1999 GMC Sierra to be like new.

Fuel Issue

Have a 2000 gmc k2500 with the 5.7. Just changed the fuel pump and fuel filter. It ran great for roughly 2 hours then began to spit and sputter and backfire through the intake. Barely limped it hom...

Headlights Won't Work

The headlights in my GMC Sierrra 2500 stopped working for some reason. I just had the alternator replaced, and when I got in to drive it that night, the headlights wouldn't turn on. However, the da...

Rattling Coming From Front Of Truck

My truck is making a loud rattle while idling. It sounds like something is loose but, I've checked and can't find anything that needs tightening. If i rev to 3000 rpm it stops briefly but, starts b...


GMC Sierra 2500 Experts

  • #1
  • #2
    G A Arne
  • #3
View All

Find great deals from top-rated dealers


Related Models For Sale

Used GMC Sierra 2500HD
13 Great Deals out of 747 listings starting at $3,995
Used Chevrolet Silverado 2500HD
8 Great Deals out of 818 listings starting at $4,900
Used GMC Sierra 1500
50 Great Deals out of 4,700 listings starting at $1,900
Used Ford F-250 Super Duty
12 Great Deals out of 543 listings starting at $6,900
Used Dodge RAM 2500
33 listings starting at $6,995
Used Chevrolet Silverado 1500
73 Great Deals out of 6,742 listings starting at $3,000
Used Chevrolet Silverado 2500
2 listings starting at $8,495
Used Ford F-150
76 Great Deals out of 6,585 listings starting at $2,995
Used Ford F-250
1 listing
Used RAM 2500
42 Great Deals out of 1,612 listings starting at $15,995
Used GMC Yukon
8 Great Deals out of 337 listings starting at $5,499
Used GMC Sierra 3500HD
6 Great Deals out of 614 listings starting at $17,895
Used Dodge RAM 3500
40 listings starting at $13,988
Used Ford F-350 Super Duty
19 Great Deals out of 1,148 listings starting at $784

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. Content will be removed if CarGurus becomes aware that it violates our policies.