Yes, the 1991 Metro was carburated. Metro's were carburated from 1988 - mid 1992. Some metros had fuel injection but those are rare nowadays.
changing the thermostat in a 1991 geo metro 1.3 liter
The 1991 Geo Metro EGR valve can be located on the air cleaner housing. The valve will be on the back of the housing.
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If its from 85 then its NOT a geo metro engine. It is probably a Chevrolet Sprint engine because they only started making Geos in 88. If you need an engine for your 95 Geo then you could use one of the following: 1991 - 1995 Geo Metro engine. 1991 - 1995 Suzuki Swift Engine, and 1991 - 1995 Pontiac FireFly engine. Hope this helps :)
4
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You replace it you do not fix it.
That depends on what it is doing or not doing.
don't know what size it is
Can you swap a 93 Geo metro manual transmition with a 95 Geo Metro
56-58 ft·lb
i run a 1991 geo metro, which i think you are referring to... til around 259,000 miles. so yeah, pretty good car.