14 of the 100 complaints about the 1991 Jeep Wrangler are about the engine — 14% of everything reported for this model year.
14
Complaints
0
Crashes
0
Fires
0
Injuries
Filed with NHTSA, in their own words.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
CONSUMER WILL PROVIDE MORE INFORMATION ON THE CATALYTIC CONVERTER PROBLEMS.
NHTSA complaint #10046213 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
VEHICLE WILL STALL SUDDENLY IN EXTREME HOT WEATHER USUALLY DOES IT WITHIN ANY TIME. CONSUMER MUST WAIT FOR VEHICLE TO COOL DOWN, AND THEN IT WILL CRANK BACK UP.
NHTSA complaint #872833 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
FUEL PUMP/FRONT BRAKE ROTORS/GAS GUAGE MALFUNCTIONED. IN ADDITION, ENGINE KNOCKS AND RADIO MAKES NOISE.
NHTSA complaint #534923 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
ENGINE VALVE COVER GASKET FAILED. THE COMPLAINT IS BEING INVESTIGATED UNDER ODI 517662. *MJS
NHTSA complaint #780082 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
VALVE COVER GASKET.
NHTSA complaint #536596 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
REQUESTING UPDATE ON ODI #571662.
NHTSA complaint #528966 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
VALVE COVER GASKET FAILURE DUE TO POOR DESIGN.
NHTSA complaint #780834 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
VALVE COVER GASKET FAILURE.
NHTSA complaint #781577 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
VALVE COVER GASKET FAILURE.
NHTSA complaint #781577 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
VALVE COVER GASKET FAILURE DUE TO POOR DESIGN.
NHTSA complaint #780834 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
CATALYTIC CONVERTER FAILED, PRIOR TO FACTORY RECALL #681.
NHTSA complaint #516402 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
ENGINE HEAD GASKET/VALVE COVER GASKET FAILED DUE TO DESIGN FLAW, CAUSING GAS TO LEAK.
NHTSA complaint #523410 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
ENGINE HEAD GASKET/VALVE COVER ARE DESIGNED POORLY AND ARE PRONE TO FAILURE.
NHTSA complaint #517662 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
THE VALVE COVER AND ENGINE GASKET ARE EXPERIENCING OIL LEAKS WHICH COULD CAUSE A FIRE.
NHTSA complaint #812045 — an unverified report by a vehicle owner.