CarComplaints.com Notes: This was the GMC Suburban's last year before being rebranded Yukon.

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 Suburban fuel system problems

fuel system problem

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1999 GMC Suburban Owner Comments

problem #1

Sep 081999

Suburban 4WD

  • Automatic transmission
  • miles

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

#7 spark plug would fail. Also, changed intake manifold & head gaskets. Problem was not intermittent. Happened all time. Took vehicle to shop for repairs & problem still exists.

- Reno, NV, USA

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