Brand New Bosch Oxygen (O2) Sensor. OEM Reference Part Number: 000 540 90 17
Warranty: One year unlimited miles.
Discount shipping on multiple items, please contact us for details
Oxygen or Air Fuel Ratio Sensor located in the exhaust stream near to the
engine. It measures the amount of oxygen in the exhaust gas.There is a direct
relationship between the air-fuel mixture of oxygen inthe exhaust gas. The
oxygen sensor determines whether the exhaust is too rich (fuel level high) or
too lean (air level high). Oxygen sensor immediately sent signal to ECM (engine
control module) The ECM then continually signals the mixture control.to deliver
a richer or leaner mixture during the engine operation.
Tech Tip: Oxygen sensor are one of the most commonly replaced engine input
sensor. A sluggish or defective sensor can make an engine run rich and waste.
fuel A bad sensor can increase emission, caused the vehicle fail to emission
test. If check engine light is on, engine computer stored a trouble code
for Oxygen or Air fuel ratio sensor heater circuit failure or problem, It
usually have an open circuit internal of the sensor, the sensor can be test with
oms meter to verify within the specification. If out of spec the sensor need to
replace, if within the spec further diagnose is required.
For more technical diagnose assistance simply email or contact us. Our ASE
master technician on duty can help you.