One problem related to owners/service manual has been reported for the 2003 GMC Sonoma. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Sonoma based on all problems reported for the 2003 Sonoma.
My 2003 GMC Sonoma just quit starting(standard), so I pushed it to get it home, I went to a friends house the next day( it started), when I got ready to leave the truck wouldn't start again and I smelled something burning, (my wife had kept telling me she smelled rubber burning) well the wires under the dash were on fire!also 2nd gear in manual transmission went out in March or April I think, this was reported to the gm dealer where I bought the truck.
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