My check engine light is on also and I was told by the person I brought it from that I need an O2 sensor.
SOURCE: Oil pressure sensor light comes on and oil level is fine
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.
SOURCE: 98 buick lesabre oil pressure dropped to 0 and
my sister had the same problem. There are 2 sensors that can cause this when they go bad. One is the oil pressure switch, which is located near the oil filter. When the PCM reads this switch, and gets a low reading, it will automatically kill the engine. The switch costs around $4.00 and is a 5 minute replacement job. The other possibility is that the crank position sensor has gone bad. When this sensor goes bad, the PCM can't read the appropriate speeds of the crankshaft, and will adjust the fuel and air mixture to compensate, often times the engine will die because it is getting insufficient fuel and air. The Crank position sensor is located on the engine block near the water pump. It is around $40.00 and at the most a 30 minute replacement job if you are unfamiliar with the process. I hope this helps. I'm a vehicle mechanic in the Air Force, with roughly 7 years of experience on the floor.
SOURCE: 92 Buick Le Sabre engine stumbling/hesitation
Have you checked fuel pressure? How about spark on all 6 cylinders? Maybe a coil?
SOURCE: Need Mass Air Flow Sensor for my 1997 Buick LeSabre Custom
not unless you take it to autozone and have them put the scanner on it and clear the code which caused the light to come on. also they can tell you what the original issue was.
unfortunately it sounds like you just started to replace parts and honestly you could have already repaired the issue
SOURCE: I had asked about the check oil light coming on
I know nothing of a sensor in the oil pan. What you need to check is the oil pressure sending unit. The unit will look like this.
Check the connection at the sensor to make sure it is secure before replacing. If you find it is leaking it for sure needs replacing. The unit will be located in a location like this on which is a 1995 Buick.
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