Need help locating second o2 sensor on 2000 miata
#1
Junior Member
Thread Starter
Join Date: Nov 2010
Location: Albuquerque, NM
Posts: 119
Total Cats: -3
Need help locating second o2 sensor on 2000 miata
Need help locating secondary o2 sensor.
I'm frustrated and can't find what the deal is with my 2000 miata. It's throwing code 0421 that's related to the cat. Problem is this car has a non factory cat and the second sensor is right behind the pre cat and not below the car where I find in most cars.
Is this right or did someone jack this car up. Please help as my friends and I are standing in cold trying to find answers.
EDIT: that was such a noob thread haha but I found what i needed. I proceeded with the spark plug fouler trick. Now i'm off to run the car for about 80 miles to have the ecu tell me if it's ok or not.
I'm frustrated and can't find what the deal is with my 2000 miata. It's throwing code 0421 that's related to the cat. Problem is this car has a non factory cat and the second sensor is right behind the pre cat and not below the car where I find in most cars.
Is this right or did someone jack this car up. Please help as my friends and I are standing in cold trying to find answers.
EDIT: that was such a noob thread haha but I found what i needed. I proceeded with the spark plug fouler trick. Now i'm off to run the car for about 80 miles to have the ecu tell me if it's ok or not.
Last edited by jdmitrswapped; 03-01-2012 at 11:05 PM.
#3
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Join Date: Oct 2007
Location: The coal ridden hills of Pennsylvania
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What??? I don't remember my '99 having any secondary O2 sensor near the axel...
Why would it be near the axel anyway? That's all the way at the back of the midpipe!!!
Why would it be near the axel anyway? That's all the way at the back of the midpipe!!!
#5
Slowest Progress Ever
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Join Date: Oct 2007
Location: The coal ridden hills of Pennsylvania
Posts: 6,028
Total Cats: 304
My car is / was, a cali spec. Same pre cat and O2 setup as yours. 1 O2 sensor marked as #6 and 1 marked as #3.
Do you have any photos of the NB1 lip? You could just wrap it in plastic and put a shipping label on it, that's what I'd do, with full insurance of course.
Do you have any photos of the NB1 lip? You could just wrap it in plastic and put a shipping label on it, that's what I'd do, with full insurance of course.
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