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Ebay has several most of the time, search 91 Regal
If they are the exact same engine (3800 tuned port injection) then yes.
Is this an automatic transmission?
front wheel drive
how to remove crankshaft position sensor from 91 Buick Regal
3.8 liter V-6 : .060"
To replace a broken key in a 91 Subaru ignition, you will need to contact a locksmith. The locksmith can cut a key to match your ignition.
no, it's fuel injected all controled by engine computer
if u follow the hose from the raadiator to the the motor u should find it
Remove the ignition cylinder retaining ring. Poll the ignition cylinder out. Remove the wiring harness from the back of the ignition cylinder.
Give your VIN to a GM parts and service center and they should be able to supply a replacement
On my 91 its along the drivers side of the car where the fuel line runs back to the gas tank