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.
1991 Geo Prizm engine problems
10 complaints (22% of all complaints for this car).
- owner complaints
- 10
- of this car's complaints
- 22%
- crashes
- 0
- recalls
- 0
Which part fails
- Exhaust system: manifold/header/muffler/tail pipe9
- Exhaust system1
At what mileage
Complaints by mileage at the time of the problem.
0k-25k
25k-50k
50k-75k
75k-100k
100k-125k
125k-150k
150k-175k
175k-200k
200k+
Geo Prizm engine problems in other years
Related recalls
No recalls on record for this model year.
What 1991 Geo Prizm owners say
Most recent owner complaints, unedited.
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.
Exhuast manifold cracked, causing carbon monoxide fumes to leak into passenger's compartment. Dealer has been contacted.
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.
Original and replacement exhaust manifold cracked.
The exhaust manifold that goes back to the exhaust system has cracked this is the second owner. Tt
Exhaust manifold cracked in two places.
Questions about the 1991 Geo Prizm engine
Does the 1991 Geo Prizm have engine problems?
Owners have filed 10 complaints about the engine of the 1991 Geo Prizm, 22% of all its complaints.
At what mileage do 1991 Geo Prizm engine problems start?
Not enough complaints include the mileage to tell.
Was there a recall on the 1991 Geo Prizm engine?
There is no recall for this problem on this model year.
What year does the Geo Prizm have bad engine?
The Geo Prizm model years with the most engine complaints are 1992 (15 complaints) and 1991 (10 complaints).
Other 1991 Geo Prizm problems
Body 13Seat belts 6Electrical 5Locks 4Fuel system 3Lights 3Tires 3Transmission 2Steering 1Suspension 1Visibility 1Wheels 1
VIN decoder
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