It has 1 O2 sensor located on the exhaust manifold befor the catalytic converter
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You can't. They have a distributor pack, and not a cap and rotor. a 1.6 eng 93 geo storm has a distributor cap and rotor!!!
Its on the end of the fuel rail
Torque sequence of what. Heads, wheels, etc.
It should. To better check, go to local parts store and check the Haines Manual...is should be for both Geo Metro and Geo Storm, just check that is bolts up the same.
there is a connector under the dash on the passenger side
there is no pilot bushing/bearing for the Geo Storms '90-'93 manual transaxle.
A Chevrolet 502 if you want to do all the work that would take. Realistically, a 1.8L DOHC 16V out of the Geo Storm GSI is about the most you're gonna fit in there.
It changes the shift points in the transmission for best fuel economy.
Oxygen sensor
best bet is go to an stereo store or crutchfield and get adapter they're cheap