can a faulty o2 senor cause the car to stumble or miss? Im pulling a code 21 witch is the o2 sensor and every once and awhile the soup will miss or stumble.....mainly before the engines fully warm.
o2 sensor
- Thread starter JesseH
- Start date
lol sorry....so your saying no, could I possibly get an explanation on why ? thanks jjjetjock said:
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JustAnotherVictim
Supramania Contributor
I don't have time to go into it right now but if he says it happened I believe him. I don't see how it could cause the problem but since you need a new sensor put one in and see what happens. That way we can all learn something 
The oxygen sensor is for cruise speeds and light accleration fuel trim. And only after the engine is warm.
I think I found the prob, from when I had to take my distributor out this last weekend and put it back in I guess one of my plug wire connections wasn't 100% of the way on...jokes on me, stupid mistake but easy fix. The oxygen senor code is becase ever since ive had the obx headers the o2 sensor flange has be fubared so im getting a new o2 sensor and rewelding the flange this weekend. thanks for the help though!:icon_biggNick M said: