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Fuel systemPart report

2003 Chevrolet Avalanche 1500 Fuel system Problems

Complaints
4about this part
Share
2%of 182 total for the year
Median mileage
83,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the fuel system of the 2003 Chevrolet Avalanche 1500, 2% of the 182 complaints for this model year. Where a mileage was given, the median is 83,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was driving approximately 15 to 20 MPH down a hill that was curvy and all of a sudden my truck completely shuts off as I was driving down the hill and almost went into a ditch because the truck just shut off while in drive and luckily I was quick enough to put it in neutral so I could steer it away from the ditch and I turned the ignition over and luckily it turned on while in neutral otherwise I would of crashed into the ditch. …”

NHTSA complaint #10628481, filed 2014-08, 200,000 miles

“2003 chevy avalanche speedometer fails. Fuel gauge fails. No way to know how fast you are going. Don't know how much fuel is in vehicle. Have to reset system numerous times throughout the year. Dealer quoted $700.00 plus to fix. Problem started soon after warranty expired. Too many failure instances to recall accurately.”

NHTSA complaint #10192347, filed 2007-06, 40,000 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
201313%
200765%
2006513%
20051411%
200453%
200342%
200264%

Other parts of the 2003 Chevrolet Avalanche 1500

Electrical system
84 complaints
Brakes
53 complaints
Air bags
12 complaints
Vehicle speed control
11 complaints
Steering
9 complaints
Body and structure
8 complaints
Other or unknown
7 complaints
Visibility (wipers, defrost, mirrors)
5 complaints
Suspension
4 complaints
Transmission and drivetrain
4 complaints
Engine
3 complaints
Tires
3 complaints

← All problems reported for the 2003 Chevrolet Avalanche 1500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology