We don't have a lot of GMC Sonoma engine problems on file — feel free to add yours here. The most common Sonoma engine problems cost $700 to fix & occur at 77,000 miles. Click on a year below.

Worst Engine Problems
fuel injector failed 1994 GMC Sonoma
running rough 2002 GMC Sonoma
timing chain and idling gear failure 1994 GMC Sonoma