Oldsmobile Silhouette. Engine size = 3.4L.
Service Engine Soon light on the dash.
Question: My Olds Service Engine Soon light came on 2 days ago. Everything seams fine. How do I
code it and how do I reset the light? Thanks for your time.

Answer:
Hello and welcome. Anytime the check engine light is on, the computer is seeing a problem in one of
the vehicles systems. A scanner is required to get the codes, to start diagnosis. Some of the large
national parts store chains will do this for free. Once the code(s) are retrieved, diagnosis can begin.
2001 Oldsmobile Silhouette low fuel light.
My van gas gage reads full all the time, after driving (sometimes for awhile, other times for a block) the
gage drops to empty. Last night i was driving and the van reads low fuel and started acting like it was
out of gas and died so i put about 5 dollars in from a gas container(not old fuel) and it started but
continued to sputter and die stays running for maybe 3 to 4 seconds.

Answer:
This is most likely a problem with the fuel level sensor in the gas tank. There are little fingers on the
sensor that corrode away. See picture. You would need to remove the fuel tank, take out the pump
assembly, and replace the sensor.

Another possibility is a wiring problem under the van. Underneath just behind the drivers seat is a
harness connector that goes into the body. They tend to get water intrusion and cause green corrosion.
Disconnect it and look at both ends. If it is green, clean it off and add some grease. If it is real bad, the
connectors would need to be replaced.

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