1994 Chevrolet Blazer Engine And Engine Cooling:exhaust System:emission Control:gas Recirculation Valve (EGR Valve) Problems

NHTSA component category: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE) · data through 07/12/2026

23Engine And Engine Cooling:exhaust System:emission Control:gas Recirculation Valve (EGR Valve) complaints

3.7%Of all 620 complaints

#4Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve) ranks on this vehicle

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP399 · 64.4%

VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR28 · 4.5%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS23 · 3.7%

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)23 · 3.7%

VEHICLE SPEED CONTROL19 · 3.1%

Share of the 620 complaints citing each category; one complaint can cite several. Full breakdown on the 1994 Chevrolet Blazer overview page.

What owners report

“ON A 4-LANE HWY AND THE CHECK ENGINE LIGHT CAME ON , CAME OFF THE HWY ONTO A RAMP, APPLIED ABS BRAKES TO MAKE A…”NHTSA complaint 806744 — filed 12/26/1996

“THE ENGINE LIGHT GOES ON AND THE EGR VALVE GETS CLOGGED WITH CARBON AND WHEN STOPPING THE CAR LOSES POWER. THE VALVE HAS BEEN REPLACED…”NHTSA complaint 805488 — filed 11/22/1996

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine And Engine Cooling:exhaust System:emission Control:gas Recirculation Valve (EGR Valve) complaints by year filed

Frequently asked questions

Does the 1994 Chevrolet Blazer have engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve) problems?

Engine And Engine Cooling:exhaust System:emission Control:gas Recirculation Valve (EGR Valve) is the #4 most-reported problem area on the 1994 Chevrolet Blazer: 23 of 620 complaints on file (3.7%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1994 Chevrolet Blazer have in total?

620 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 96 involved a crash, 7 involved a fire, 57 reported injuries, and 6 reported deaths.

What does NHTSA's engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve) category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE) category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.