Wideband jumping from lean to rich, any explanations?
Thread Starter
Junior Member
Joined: May 2022
Posts: 86
Total Cats: 4
From: Redwood City, CA
Wideband jumping from lean to rich, any explanations?
Just replaced my old o2 sensor with a new one (aem uego with oem new sensor) and the wideband is jumping all over the place. Old sensor was not functional but didn’t act like this.
Reply
0
0
What do you mean "OEM new sensor"? Do you mean one from Mazda?
Also, what model AEM? Did it come with a 4.2 or a 4.9.... well, I suppose the connectors are different.
DNM
Also, what model AEM? Did it come with a 4.2 or a 4.9.... well, I suppose the connectors are different.
DNM
Reply
0
0
Thread Starter
Junior Member
Joined: May 2022
Posts: 86
Total Cats: 4
From: Redwood City, CA
It was a new AEM sensor, OEM might have been the wrong term sorry. AEM customer support seems to think that the issue is an exhaust leak further upstream but im fairly sure it is just a faulty sensor
Reply
0
0
Thread
Thread Starter
Forum
Replies
Last Post
Savington
Miata parts for sale/trade
0
May 8, 2017 08:50 PM
Reverant
ECUs and Tuning
8
Oct 24, 2014 12:53 PM
cheezitnation697
General Miata Chat
12
Aug 15, 2014 03:49 PM
