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Why Oxygen Sensors Fail
Oxygen sensors typically fail when components do not adequately protect elements against contamination, which can trigger an unintended check engine light. When the oxygen sensor fails, oxygen content becomes unreliable, resulting in an incorrect air/ fuel ratio. The engine, which uses more fuel than it needs, performs poorly, and more emissions escape into the atmosphere.

Why Delphi for Oxygen Sensors
According to the company, Delphi oxygen sensors lead the industry in contamination resistance to silicone, phosphorous and other fuel and oil additives due to a patented protective sensor coating. Our exclusive poison-protection coating protects elements from contaminants, which can trigger “check engine lights” and premature sensor failure. Contaminated sensors can cause engines to burn up to 25% in additional fuel and send excess carbon dioxide, hydrocarbon and nitrogen oxide emissions into the atmosphere.

Our oxygen sensors feature OE connectors and wire lengths within three inches of OE specifications. Nearly three-quarters of the line is the exact OE length, which means easier installations without splicing and fewer customer comebacks. Delphi’s proprietary dry-to-touch, anti-seize compound means faster, no-mess installations. Our compound eliminates the potential for contamination and for triggering an unintended check engine light from the wet, anti-seize compounds used on competitive products.

Delphi oxygen sensors deliver the industry’s fastest light-off time — six seconds — for quicker closed-loop activation. The closest competitor is 10 to 12 seconds, which allows 40% to 50% more harmful cold-start emissions to enter the atmosphere, said the company.

Learn more about Delphi at delphi.com/am.