1997 GMC Sonoma Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1997 GMC Sonoma

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1997 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. 

Coolant Leak From Heater Core

The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our technicians tell us that removal of the dash board is necessary to replace the heater on these vehicles.

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1997 GMC Sonoma Questions

New battery and fuel pump still won't start it's been sitting for about a month (1 answer)

Have checked fuel pressure from Schrader valve next to fire wall have good pressure just don't know what else it could be

Injectors are putting too much fuel into the cylinders (1 answer)

Injecting too much fuel into the cylinders. Injectors are new, pressure regulator is new. Plugs are new.????

replaced fuel pump, just sometimes acts like its running out of gas and sometimes it stales. (1 answer)

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1997 GMC Sonoma Recalls

Recall 97V146001
VEHICLE DESCRIPTION: LIGHT DUTY PASSENGER PICKUP TRUCKS EQUIPPED WITH 4.3L ENGINES. THE FRONT BRAKE LINE CAN CONTACT THE LEFT-HAND SIDE OF THE ENGINE OIL PAN CAUSING THE BRAKE LINE TO WEAR TO THE POINT OF BRAKE FLUID LOSS DURING BRAKE APPLICATION.
Recall 97V096001
VEHICLE DESCRIPTION: EXTENDED CAB PICKUP TRUCKS EQUIPPED WITH 60/40 FRONT BENCH SEATS AND EXTENDED CAB PICKUP TRUCKS AND 2-DOOR UTILITY VEHICLES EQUIPPED WITH MANUAL LOCKING RECLINER BUCKET SEATS. THE OUTBOARD SAFETY BELT WEBBING ON THE DRIVER'S AND/OR PASSENGER'S SEAT CAN SEPARATE DURING A FRO...

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1997 GMC Sonoma Reviews

Rated
based on 3 customer reviews
Bought 1997 Sonoma with 4.3 V6 and 5 speed Trans with 36000 miles on her. Since then I have 0ver 373000 miles on her as of today. She's one tough truck. Since New I have replaced 1 water pump, 1 fuel pump, 1 intake gasket. Believe it or not. I,m still on the original clutch, though She starting to chirp once in a while now. So my baby letting me know its getting to be time for replacement. I'm ...
I have a 97 gmc sonoma and it stalls out at times while driving. the mechanic can't find the reason for it happening. He thought it was the module so he changed it but it stalled out again. I suggested that it might be the fuel filter but he said that was not possible. Any suggestions?
one of the reasons why a fuel pump goes bad is lack of changeing the filter and the pump has to work harder to push the fuel through the system

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