The 1984 Plymouth Horizon has 1 NHTSA recall campaign affecting an estimated 340,000 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 2 complaints with NHTSA, most often about the fuel system, gasoline. Last updated July 5, 2026.
THE POTENTIAL FOR FUEL LEAKAGE EXISTS IN THE ENGINE COMPARTMENT AT THE FUEL RESERVOIR SEAM AND ITS HOSE CONNECTIONS. THE FUEL RESERVOIR IS A SILVER COLORED CAN MOUNTED TO THE AIR CLEANER.
THE HOSES AND THE METAL TUBE THAT ATTACHES TO THE FUEL RESERVOIR WILL BE REPLACED WITH NEW COMPONENTS. THE DEALER WILL ALSO REPLACE OR RESEAL THE RESERVOIR.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“White smoke came out from under hood after vehicle was turned off. Smoke then turned dark black and fire came out from underneath hood. Extinguished flames with fire extinguished r. Much clean up was needed from extinguisher . Approximately $250.00 worth of parts needed not to mention 8 hours…”
“Sudden acceleration.”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1984 Plymouth Horizon as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.