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10.0
really awful- Typical Repair Cost:
- $800
- Average Mileage:
- 140,000 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- not sure (1 reports)
engine problem
Helpful websites
- No one has added a helpful site for this 2003 Avalanche problem yet. Be the first!





A D V E R T I S E M E N T S
starts with difficulty, runs very rough until warm, then seems to operate fine until the first start in the morning...then all over again
Update from Oct 16, 2013: failing fuel pump fixed the problem
- Bill W., Moscow, TN, US