11 of the 72 complaints about the 1991 GEO Prizm are about the engine — 15% of everything reported for this model year. Half of the failures with a mileage on record happened before 190,000 miles.
11
Complaints
0
Crashes
0
Fires
0
Injuries
Filed with NHTSA, in their own words.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
TL*THE CONTACT OWNS A 1991 GEO PRIZM. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, CARBON MONOXIDE WAS PRESENT BECAUSE THE MANIFOLD HAD BEEN FRACTURED. THE VEHICLE WAS REPAIRED TWICE BUT THE FAILURE CONTINUED. THE FAILURE MILEAGE WAS APPROXIMATELY 190,000.
NHTSA complaint #10366545 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
JAN/01 - DISCOVERED CRACKED EXHAUST MANIFOLD. WAS TOLD BY SALVAGE YARD THAT THIS IS A COMMON PROBLEM WITH GEOS AND THEY CAN'T KEEP MANIFOLDS IN STOCK BECAUSE OF THE FREQUENCY. NEW MANIFOLD INSTALLED TO REPLACE CRACKED ONE. THE NEW ONE CRACKED APPROX. 1-2 MONTHS LATER.
NHTSA complaint #745826 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
EXHUAST MANIFOLD CRACKED, CAUSING CARBON MONOXIDE FUMES TO LEAK INTO PASSENGER'S COMPARTMENT. DEALER HAS BEEN CONTACTED.
NHTSA complaint #874631 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
EXHAUST MANIFOLD CRACKED. YH
NHTSA complaint #782010 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
EXHAUST MANIFOLD CRACKED. YH
NHTSA complaint #782010 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
EXHAUST MANIFOLD.
NHTSA complaint #605738 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
EHAUST FUMES IN THE PASSENGER COMPARTMENT AND NOISE COMING FROM THE ENGINE RESULTED FROM A CRACK IN THE EXHAUST MANIFOLD.
NHTSA complaint #529588 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
UPON DRIVING THE VEHICLE THERE IS A VERY LOUD SOUND COMING FROM THE REAR OF THE VEHICLE DUE TO THE EXHAUST MANIFOLD WHICH HAS A CRACK, CONSUMER HAS REPLACED THE MANIFOLD. PLASE PROVIDE FURTHER DETAILS.
NHTSA complaint #813775 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
ORIGINAL AND REPLACEMENT EXHAUST MANIFOLD CRACKED.
NHTSA complaint #481211 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
EXHAUST MANIFOLD CRACKED IN TWO PLACES. *SKD
NHTSA complaint #481483 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
THE EXHAUST MANIFOLD THAT GOES BACK TO THE EXHAUST SYSTEM HAS CRACKED THIS IS THE SECOND OWNER. TT
NHTSA complaint #959161 — an unverified report by a vehicle owner.