100% Free

No Scanner Needed

Carly logo
Prices

wernerswift10

Skoda Superb Oxygen Sensor Problem

Alright, I'm getting annoyed here. My 2019 Skoda Superb with a gasoline engine is giving me grief. The check engine light keeps popping up, and I'm pretty sure it's related to the oxygen sensor. Mileage is at 25467 km. I've noticed higher fuel consumption too. The error memory says something about 'Oxygen sensor heater failure'. Could a faulty sensor really cause all this?

Summary of the thread

A 2019 Skoda Superb owner is experiencing issues with the check engine light, suspecting a faulty oxygen sensor due to an error message indicating 'Oxygen sensor heater failure' and noticing increased fuel consumption. The heater element in the sensor is crucial for accurate emissions readings, and its failure can lead to these problems. It is suggested to check the sensor's wiring and connections for damage, but ultimately, a workshop visit is recommended to replace the faulty sensor, which resolves the issue.

Did this summary help you solve your problem?

4 comment(s)

leafeuer1

Oxygen sensor heater failures aren't uncommon, especially as car components age. The heater element inside the sensor helps it reach operating temperature quickly so it can accurately measure vehicle emissions. A faulty sensor will definitely trigger the check engine light. Does the error code specify which oxygen sensor is the problem, e.g. bank 1 sensor 1 or bank 2 sensor 1? Knowing that will help narrow it down. Also, have you checked the cable and plug connection to the sensor for any obvious damage or corrosion?

wernerswift10 (community.author)

Thanks for the quick reply! The error code just says 'Oxygen Sensor Heater Circuit Malfunction'. I haven't checked the wiring myself – honestly, I wouldn't really know what I'm looking for. Is it easy to check the sensor connection?

leafeuer1

Yes, a faulty oxygen sensor heater can certainly cause those symptoms. The heater ensures the sensor reaches its optimal operating temperature quickly, especially during cold starts. Without it, the engine control unit (ECU) receives inaccurate readings, leading to increased fuel consumption and potentially affecting vehicle emissions. While it might be a simple fix like a loose connector, 'Oxygen Sensor Heater Circuit Malfunction' suggests a deeper issue. For peace of mind and to avoid potential damage to other car components, I advise taking it to a workshop. The cost you mentioned, 95€, sounds reasonable for a sensor replacement.

wernerswift10 (community.author)

Just wanted to let you know that your tip was spot on! Took it to the workshop, and they confirmed it was indeed the oxygen sensor heater. New sensor installed, cost me 95€, and the check engine light is gone! Thanks for the help!

rmh_community_comment_box_header

community_crosslink_scanner_headline

community_crosslink_scanner_intro

community_crosslink_scanner_title

community_crosslink_scanner_price

community_crosslink_rmh_headline

community_crosslink_rmh_intro

community_crosslink_rmh_title

community_crosslink_rmh_subtitle

community_crosslink_rmh_brand

SKODA

community_crosslink_rmh_model

SUPERB