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Answer: The ignition timing on a 1990 Geo Storm is 10 degrees BTDC. This applies to both the SOHC and DOHC 1.6L engines.
The U S light in yellow/orange is an "UP SHIFT LIGHT" this is a manual transmission. this is for fuel economy
All Geo Storms are 4 cylinder
1,3,2,4 that is the firing order.
i want to know if a new clutch was put in a 1990 geo storm can it break in half in two days just driving arount town
The fan control switch is located in the bottom driver side of the radiator if your fan does not turn on when the car has heated up to temperature unplug the fan switch and jumper the plug not the switch side if the fan comes on the switch is bad.
Was built for R12, can be converted to R134a.
You ask a professional for help.
no the sohc and dohc manifolds are totally different.
Geo Storm was manufactured from 1990-1993. Two engines were available the 1600cc SOHC and the 1600cc DOHC while it is possible to switch between one style engine for the other it is rather involved. Other sources for these engines are the Isuzu Stylus for the SOHC or the DOHC or the Isuzu Impulse XS for the DOHC. The Isuzu Impulse RS was a DOHC Turbo which requires considerable modification to install.
The break light switch is located on the backside of the break peddle arm.