0005409017 97-01 Mercedes Oxygen Sensor 02 E320 E420 E430 SL500 97 98 99 00 01
Item# MEEM-012
Regular price: $102.00
Sale price: $76.00

Product Description

Brand New Bosch Oxygen (O2) Sensor. OEM Reference Part Number: 000 540 90 17 , 0005409017.

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 an

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.