Oil Pressure Switch Archives - UnderhoodService
VIDEO: Oil Pressure Light Information

The warning light is wired in series with an oil pressure switch. This video is sponsored by FRAM.

VIDEO: The Warning Light That Shouldn’t Be Ignored

Most cars today have a warning light designed to give a visual signal of low oil pressure. This video is sponsored by FRAM.

Active Management Of Oil Pressure

Things have changed with the introduction of multi-weight oils and changes in the design of the oil pump.

Oil Pump Diagnostics: Rebuild Or Replace?

Considering how important oil pressure is for all of these reasons, why would anyone take a chance on reusing a high-mileage oil pump when rebuilding an engine?

oil pump failed chevy
Top Ten Fuel Pump Fails

10. Strainer Blocks Fuel-Level Sender A fuel pump inlet strainer may be installed that is interfering with the travel of the fuel-level sensor’s float arm, which causes an optimistic fuel level reading. Dented fuel tanks may also cause a false reading by pushing the fuel-level sensor and fuel pump inlet filter above the remaining fuel

fuel pump failure
Honda Oil Pressure Switch Issues

The following Tech Tip comes courtesy of ALLDATA We have noticed an increase in oil pressure switch-related problems with late-model Honda vehicles recently. Two switches that seem to be consistently problematic are the rocker arm oil pressure switch and the engine oil pressure switch. Each exhibits a unique set of symptoms, but the fix is

Honda Oil Pressure Switch tech tip