2002 GMC Sonoma Consumer Discussions

Chevy S10 - GMC S15 and Sonoma Engine and Underhood Issues

Re: 2002 sls 4x4 sonoma GMC

Written by: acobbold on Mar 25, 2009 04:32 PM

update From message #321, after all was said and done, I changed the actuator valve, the mechanic said that there was moisture in the air line and when it is cold the truck is in 2x4 even in 4x4 after it was fixed ! I then had to fix front Premium wheel bearings , after pricing 3 different suppliers Canadian Tire was the cheapest except for eBay, which by the way if you ... Read More...

Chevy S10 - GMC S15 and Sonoma Fuel Pump and Fuel System

fuel pump problem

Written by: bbrianb on Mar 16, 2009 09:39 AM

I have a 2002 gmc sonoma with 4.3 liter motor. I have been having problems with the fuel pump not kicking on. I used to be able to hit the hitch with a hammer causing it to start. I thought it was a bad motor in the pump. I replaced the pump assembly and fuel filter. Now it still doesn't come on. I have checked all of the fuses and the relay. All are good. I wonder where to look ... Read More...

Chevy S10 - GMC S15 and Sonoma Radiator and Cooling Issues

Cooling Problems

Written by: bcrawf53 on Feb 25, 2009 06:27 PM

I flushed the cooling system and replaced thermostate on my 2002 GMC Sonoma with79,000 miles on it. I've had nothing but probems after that. Service engine light came on, did diagnostic - water temp below engine temp. Replaced temprature sending unit. Same thing? I have to drive 10 miles before engine reaches operating temp? Read More...

Chevy S10 - GMC S15 and Sonoma Engine and Underhood Issues

2002 sls 4x4 sonoma GMC

Written by: acobbold on Feb 23, 2009 04:28 PM

automatic, changed front actuator valve $130 labor in 10 minutes to change, the 2x4 to 4x4 would not engage, it would stay in 4x4 all the time, whining noise front passengers side, changed valve now 4x4 to 2x4 works, apparently a common s -10 problem but still have front end noise, (sounds like heavy tire tread at hi way speed). it's not the tires though may have worn ... Read More...

Chevy S10 - GMC S15 and Sonoma Dashboard Issues

Speedometer Failure 2002 GMC Sonoma

Written by: tabadad on Jan 08, 2009 06:40 AM

:( Saw where you had the same problem with speedometer on your 99 Sonoma after putting the radio back in. Can you please let me know if you were able to find out what the problem was? Thanks Read More...

Chevy S10 - GMC S15 and Sonoma Electrical Problems

Taillamp Dilemma

Written by: marc38 on Oct 26, 2008 08:08 AM

2002 GMC Sonoma. No foglamps installed. Good taillight bulbs. New headlight switch. Voltage at taillight connector. Ran a jumper wire from battery to taillight and it would not light. Grounded with no change. All other lights work fine except license plate lights. Fuses have all been checked. Relays are fine. Finally have installed my own taillights on the ... Read More...

Chevy S10 - GMC S15 and Sonoma Engine and Underhood Issues

Re: 1999 S-10 4 cylinder surge and hasitiation [mickeymouse2]

Written by: sonoma4x4 on Aug 21, 2008 11:02 AM

I have a 2002 GMC Sonoma 4X4 crew cab and get the same code (0300) when I drive at 60 on the highway. I have no hesitation at any speed and the truck runs great. Do you think the crank sensor could be the problem? I have replaced the plugs, wires, rotor. cap, distributor, fuel filter, pvc. Read More...

Chevy S10 - GMC S15 and Sonoma Starting problems

Re: 2002 GMC Sonoma 4.3L [nighthawk5556]

Written by: tony78 on May 09, 2008 03:09 PM

Interesting story, 1st thing to remember is to never jump start a car that has a computer or several computers that operate different systems, the proper way to jump start a comp controlled car is to disconnect the pos/neg cables,then charge the battery, preferably with a trickle charger if the battery is really low (checked with a volt/ohm meter first). The ... Read More...

2002 GMC Sonoma 4.3L

Written by: nighthawk5556 on May 03, 2008 11:53 PM

My dad parked his 02 Sonoma after it ran fine. Tried to crank it that night, and it would turn over but refused to crank. Today I checked with a spark tester and we were getting the light on when the plug would fire, but it seemed somewhat dim (maybe just me, can't recall how bright it should be). Checked fuel pump...had good pressure. Chjecked fuel filter and seemed ... Read More...

Chevy S10 - GMC S15 and Sonoma Engine and Underhood Issues

...oscillating whine, or buzzing sound ......

Written by: 2002sonoma on Apr 14, 2008 06:25 PM

Hi, New Member hoping you can help :) I have a 2002 GMC Sonoma 4x4 SLS Crew Cab. It has the V6 ("W" vin) with Automatic Trans. I have recently begun to hear an oscillating whine, or buzzing sound, that seems to be coming from the distributor. It tends to only last between 15 seconds, to maybe a minute, and then goes away. I've heard it at startup most recently, but did ... Read More...