Exhaust
Compare 1 Exhaust parts from manufacturers including Lambda, with live price tracking and alerts.
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Filter in catalog →Frequently asked questions
What does an upstream oxygen sensor do?
The upstream O2 sensor monitors exhaust oxygen content before the catalytic converter, allowing the ECU to adjust fuel injection for optimal combustion and emissions.
What is the difference between upstream and downstream O2 sensors?
Upstream sensors (like DOX-0269) monitor fuel control; downstream sensors monitor catalytic converter efficiency. The DOX-0269 is a left-side upstream sensor.
How do I know if my oxygen sensor needs replacement?
Symptoms include check engine light, poor fuel economy, rough idle, or failed emissions test. A faulty sensor will trigger diagnostic codes P0130-P0135.
Is Lambda DOX-0269 an OEM sensor?
Lambda is an OEM-equivalent manufacturer of automotive sensors. The DOX-0269 meets OEM specifications for oxygen sensor replacement.
What vehicles use the Lambda DOX-0269?
This is a left-side upstream oxygen sensor for specific vehicle makes and models. Verify fitment with your vehicle's VIN or consult compatibility documentation.