2001 GMC Sonoma Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2001 GMC Sonoma

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2001 GMC Sonoma Problems

The Fuel Pump May Fail Causing the Engine to Stall or Crank Over But Not Start

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Instrument Panel Lights Flickering and Exterior Lights Intermittent

The headlight switch used on the GMC Sonoma is known to fail through normal operation. Since the headlight switch is also integrated into the interior lights, a malfunctioning switch can cause issues with interior lights as well.

  • Symptoms of a failed headlight switch include:
  • Headlights and taillights failing to turn on or off
  • Interior lights flicker, or fail to turn on or off
  • Gauge cluster lighting off or flickering with headlights on
  • Parking light malfunctions  

This issue is well known with General Motors Trucks and SUVs, and is solved by testing and, if needed, replacing the headlight/dimmer switch. Bad grounding wires at the tail-lights, and dirty/corroded tow package wires can also lead to some of these issues. 

Loss of One or More HVAC Blower Motor Speeds

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

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2001 GMC Sonoma Questions

switching to 4hi from 2hi by itself what causes it (1 answer)

My truck will switch to 4hi when driving it down the road and turning the corner making it hard to turn

heater damper not working to move heat to the floor (1 answer)

I have replaced Fuel pump 4 times Truck still has trouble starting What else? (3 answers)

I continue to have trouble with starting. It cranks but will not start.

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2001 GMC Sonoma Recalls

GM Recalls Multiple 2000-2001 Vehicles Due to Possible Seat Belt Failure

The seat belt buckles may not have been properly heat-treated during the manufacturing process. This may cause the buckles not to function correctly during a collision, which may cause injury. Dealers will replace the seat belt buckles.

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2001 GMC Sonoma Reviews

Rated
based on 2 customer reviews
my 2001 sonoma is giving me a hard time
I have a 2001 GMC Sonoma with 139K wit a 2.2L 4.... Great engine never had a problem with it, Just needs a little more power.... Had transmission flush and a coolant flush wit a new water pump... And at some point A/C clutch went out :( other than that a very strong truck!!! :D

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