20 Most Recent 2005 Buick LeSabre - Page 5 Questions & Answers

Make sure battery is good and both the pos. and neg. cables are clean and tight.

This is probably an oil pressure sensor problem.  Randomly going from 0 to over 130 is means the sensor is putting out out of range signals.  Mine would even read --- at times.  I told the mechanic to not spend any time troubleshooting just change the sensor.  $121 including parts, labor and tax.  The gage should read about 70 psi plus or minus several psi, and move up a PSI or two as you rev up the engine.  It took him about 10 minutes to change it, once he got the part.  There would have been a diagnostic charge of about $50, had I not been sure.

do you have the factory radio still in the car?

sound to be a low oil sensor. the senor job is if it feels low pressure or oil it will either shut off the car or cause it not to run

dont run AC sound like AC COMPRESSOR getting ready lock up the AC clutch pulley bearing locking up.

Battery and connection,wires,

You have to get a new alignment after replacing suspension parts-that's normal.

check the fuses.

NEEDS TO BE REPLACE GOING TO THE TRANSMISSION THE SPEEDOMETER CABLE

Either the blower motor relay is stuck closed and running all the time.Relay should be under the hood. Look in the owners manual for the location. Also does it shut off with key or continue to run, Most likely a stuck blower motor relay.

Your fuel filter is located inside of your gas tank. There may be an access panel under your back seat. If not, you'll have to drop your gas tank to gain access to your fuel filter and fuel pump.

Should be a 5/8 in spark plug socket.

Open the hood & under it there is a Federal EmissionsLabel on all vehicles with the spark plug gapThat label has been there for 40 years or on radiator support