1993 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 07/14/2026

25Engine And Engine Cooling:exhaust System:emission Control:gas Recirculation Valve (EGR Valve) complaints

4.9%Of all 511 complaints

#3Most-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 SLIP329 · 64.4%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS34 · 6.7%

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)25 · 4.9%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS14 · 2.7%

ENGINE AND ENGINE COOLING:ENGINE12 · 2.3%

Share of the 511 complaints citing each category; one complaint can cite several. Full breakdown on the 1993 Chevrolet Blazer overview page.

What owners report

“VEHICLE STARTS RIDING ROUGH AS IF GOING TO STALL; SERVICE INDICATOR LIGHT COMES; VIBRATES; LOSS VEHICLE POWER; NO BRAKES; CAUSE: EGR VALVE FILLS UP WITH…”NHTSA complaint 971179 — filed 08/25/1995

“FAILED EGR VALVE MAKES VEHICLE DIFFICULT TO START/IDLE ROUGHLY.”NHTSA complaint 483666 — filed 08/22/1995

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 1993 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 #3 most-reported problem area on the 1993 Chevrolet Blazer: 25 of 511 complaints on file (4.9%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1993 Chevrolet Blazer have in total?

511 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 75 involved a crash, 12 involved a fire, 21 reported injuries, and 1 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 07/14/2026.