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5.0

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
20,167 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.

2003 Chevrolet Suburban engine problems

engine problem

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2003 Chevrolet Suburban Owner Comments

problem #3

Jun 012004

Suburban 4WD 8-cyl

  • Automatic transmission
  • 12,000 miles

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

Vehicle stalls while driving during hot weather. It will not start until the vehicle has sat for 10-20 minutes.

- N Las Vegas , NV, USA

problem #2

Oct 102006

Suburban 4WD 8-cyl

  • Automatic transmission
  • 43,500 miles
Vehicle stalls at highway speeds, specifically, under load (up hills, accelerating, etc...) when gas is given, the car stalls. The tach still reads a number, and all cabin electronics remain active, without showing any hint of a problem (no spike, dimming of lights, etc...) engine just dies. (again, this typically happens at highway speeds [40-80 mph.]) no check engine light comes on, and there is no indication of the possibility of a failure electronically [ie, no "messages."] the only discernible symptom is sluggishness on the part of the accelerator, as if slamming the accelerator to the floor would cut out the engine, but slowly pushing the accelerator to the floor would permit (somewhat) the acceleration. (mind you, that I almost never push my accelerator all the way to the floor.) further, any acceleration (however slight, ) can cause the engine to stall when the car is in the mood to want to stall. (the problem is somewhat intermediate - it has happened about 10-15 times in the past 6 months, once on the throgsneck bridge in NY.) the problem has happened on numerous occasions, (the first time around the beginning of July '06, [about 2 occasions on one day, 4 more another day that week, ) and then again around October 10th, on which there were another 5 or so incidents. On Oct 11th, I brought the car back to the dealership, and they saw no error codes, so couldn't do anything to diagnose the problem. Onstar was similarly unable to diagnose any errors with the vehicle.

- Franklin Square, NY, USA

problem #1

May 152005

Suburban 8-cyl

  • Automatic transmission
  • 5,000 miles
At start-up, usually when engine has been run/warmed, a "clicking" (as if the oil level was low/lifters) sound is heard for 30-plus seconds. My concern is the long-range (I.e., out of warranty) effects this condition will have on the life of the engine. The concern has been expressed to service reps at ancira Chevrolet, who, at 3-4 occasions, replied that it is "normal."

- San Antonio, TX, USA

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