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Vehicle recall 91V225000 · December 31, 1991

Hyundai Excel and Mitsubishi Precis

Deterioration of the reed valve subassembly may lead to a malfunction within the secondary air supply portion of the emission control system.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Deterioration of the reed valve subassembly may lead to a malfunction within the secondary air supply portion of the emission control system. The screws which attach the reeds to the reed valve subassembly may rust, and if the rusting becomes severe, the screw heads will erode and allow the reeds to separate from the reed valve subassembly. Corrosion may also occur on the reed valve subassembly, deforming the reed seats and preventing the reeds from closing properly. Separation of the reeds from the reed valve subassembly or improper closing of the reeds allow hot exhaust gases to flow backward into the plastic secondary air filter case when the vehicle is being driven. These hot exhaust gases may melt the secondary plastic air filter case.
Consequence
The melting plastic air filter case may lead to a firein the engine compartment.
Remedy
Replace the reed valve subassembly with one whose metal components are fabricated from corrosion resistant stainless steel.
Notes
System: exhaust system.vehicle description: passenger vehicles.note: Hyundai motor company will be performing this recall for the hyundaiexcel and for the Mitsubishi precis.

Recall details

NHTSA campaign
91V225000
Reported to NHTSA
December 31, 1991
Filed by
HYUNDAI MOTOR AMERICA
Owner notification
January 20, 1992
Vehicles potentially affected
895,000
Initiated by
NHTSA’s Office of Defects Investigation
Components
Engine and engine cooling › Exhaust system
Recall 91V225000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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