10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

1999 GMC Sonoma engine problems

engine problem

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1999 GMC Sonoma Owner Comments

problem #1

Nov 231999

(reported on)

Sonoma

  • Automatic transmission
  • miles

A D V E R T I S E M E N T S

When vehicle is in or out of gear engine idles, RPM will flucuate between 1600-3000 intermittently.dealer ehas replaced idle motor, throttle positioner, new computer, and new software for computer.after several attempts to correct defect, dealer is claiming it is normal.

- Silver Creek, NY, USA

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