How common are fuel system complaints on the 2021 Chevrolet Blazer?

NHTSA lists 18 fuel system complaints for the 2021 Blazer, which is 14% of the 133 total complaints filed for that model year — the highest share across the 2019-2025 model years listed.

Is there a recall for the 2021 Chevrolet Blazer fuel system?

The data provided lists no related recalls for this problem area, though several owner complaints mention being told by a mechanic or dealer about an open recall for the fuel pump control module.

At what mileage do fuel system problems tend to show up on the 2021 Blazer?

The median mileage at failure among reported fuel system complaints is 81,123 miles.

Did any fuel system failures cause a crash on the 2021 Blazer?

NHTSA data shows one crash and zero fires or injuries linked to fuel system complaints for the 2021 Blazer.

What fuel system part fails most often on the 2021 Blazer?

Most sample complaints point to the fuel pump or fuel pump control module failing and causing the vehicle to stall or fail to start.

2021 Chevrolet Blazer Fuel System Problems

NHTSA lists 18 fuel system complaints for the 2021 Chevrolet Blazer, 14% of its 133 total complaints for the year — the highest share among the 2019-2025 model years. The median mileage at failure is 81,123 miles, and one complaint reports a crash tied to a sudden stall.

Fuel System complaints: 18; 14% of 133
Crashes reported: 1
Fires reported: 0
Injuries reported: 0
Median mileage: 81,123 mi
Related recalls: 0

Typical fuel system symptoms owners report

Vehicle suddenly loses power and stalls while driving at highway speed, sometimes with no warning lights.
Fuel pump control module fails, causing the engine to shut off or refuse to restart.
Owners report the vehicle would not restart after stalling, with dealers diagnosing a failed fuel pump or fuel pump module.
Some drivers say a mechanic pointed to an open recall for the fuel pump control module, though the vehicle's VIN did not show up as covered.
One owner reported fuel hose replacement after the fuel pump control module had already been replaced, along with a smell of gas before a stall.

When 2021 Chevrolet Blazer fuel system complaints were filed

First complaint Feb 19, 2022, latest Aug 23, 2026.

18 complaints filed with NHTSA from Feb 2022 to Aug 2026; peak Jul 2025 (2).

Fuel System recalls for the 2021 Chevrolet Blazer

No safety recalls on record for this model year.

Fuel System complaints by Blazer model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

20057 (47%)
200611 (58%)
20075 (56%)
20080 (0%)
20192 (1%)
20205 (2%)
202118 (14%)
20227 (14%)
20233 (7%)
20244 (9%)
20251 (3%)

Frequently asked questions

How common are fuel system complaints on the 2021 Chevrolet Blazer?: NHTSA lists 18 fuel system complaints for the 2021 Blazer, which is 14% of the 133 total complaints filed for that model year — the highest share across the 2019-2025 model years listed.
Is there a recall for the 2021 Chevrolet Blazer fuel system?: The data provided lists no related recalls for this problem area, though several owner complaints mention being told by a mechanic or dealer about an open recall for the fuel pump control module.
At what mileage do fuel system problems tend to show up on the 2021 Blazer?: The median mileage at failure among reported fuel system complaints is 81,123 miles.
Did any fuel system failures cause a crash on the 2021 Blazer?: NHTSA data shows one crash and zero fires or injuries linked to fuel system complaints for the 2021 Blazer.
What fuel system part fails most often on the 2021 Blazer?: Most sample complaints point to the fuel pump or fuel pump control module failing and causing the vehicle to stall or fail to start.