SILCONE And Oxygen Sensors Don't Mix (ASN 1194-04)

Publication date: 1994-11-01
Reference number: ASN 1194-04

SILCONE AND OXYGEN SENSORS DON'T MIX

TECHNICAL SERVICE BULLETIN

Reference Number(s): ASN 1194-04, Date of Issue: November, 1994

SILICONE AND OXYGEN SENSORS DON'T MIX

Model(s): 1986-95 Acura Vehicles

Group: Fuel & Emissions

Bulletin No.: ASN 1194-04

Date: November, 1994

SERVICE INFORMATION

Just about every service department has a ready supply of silicone spray, silicone grease, and silicone adhesives these days. But as good as these products are for some purposes, they can permanently damage an oxygen sensor (O2S) by blocking the porous electrode surface. When you use these products, don't let them get into the engine's air intake tract, the exhaust system (upstream of the O2S), or the vents on the O2S.