tip top condition I'd say 26 mpg, tip top and driven well. I get maybe 25 out of my '95 LeSabre, on good days.
Replace the gasket.
The gauges on the dash is the instrument cluster.
the kind that convert co2 and oxides of nitrogen into other stuff...
probably 3/8"
check the voltage regulator
On a 1994 Buick LaSabre why does the engine continue to rev up while driving even when the brake is applied ? or when driving why doesn't the engine return to idle when the brake is applied? I would check for a vacuum leak
Check fuse for parking/tailights Could be a bad headlight switch Could be an open in the dimmer rheostat
Can't say for sure, but I would encourage you to remove the kick panel and look under the dashboard at the far right side of the passenger's legspace.
Remove battery cables with a 5/16 wrench then take a 13mm deep socket on a 10" extension on a ratchet and remove the one lock down bolt on backside of battery.
2 yrs. or 25000 mi.
What is the COMPRESSion for 1994 buick century
Buick didn't make a Rainier in 1994