Owner-reported complaints naming the engine system, filed with NHTSA
Data refreshed
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 1991 Geo Prizm submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 10 reports on file name it.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Shown in the owner’s own words, exactly as filed
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.
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.*AK
EXHUAST MANIFOLD CRACKED, CAUSING CARBON MONOXIDE FUMES TO LEAK INTO PASSENGER'S COMPARTMENT. DEALER HAS BEEN CONTACTED.*AK
RIGHT REAR WINDOW IS VERY HARD TO ROLL UP OR DOWN. YH
EXHAUST MANIFOLD.
EHAUST FUMES IN THE PASSENGER COMPARTMENT AND NOISE COMING FROM THE ENGINE RESULTED FROM A CRACK IN THE EXHAUST MANIFOLD.
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. *AK
ORIGINAL AND REPLACEMENT EXHAUST MANIFOLD CRACKED. *AW
THE EXHAUST MANIFOLD THAT GOES BACK TO THE EXHAUST SYSTEM HAS CRACKED THIS IS THE SECOND OWNER. TT
EXHAUST MANIFOLD CRACKED IN TWO PLACES. *SKD
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Categories with enough reports to have a page of their own
Data on this page last refreshed .