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My 2003 Tacoma surges horribly after replacing O2 and fuel…

Customer Question
My 2003 Tacoma surges...

My 2003 Tacoma surges horribly after replacing O2 and fuel mixture sensors.

Mechanic's Assistant: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?

They appear to be

Mechanic's Assistant: Are you fixing your Tacoma yourself? What have you tried so far?

I am now but had someone replace the sensors. I had a Toyota replacement for fuel/O2 forward and Denso for rear O2

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Not really. Other then cyl 1 & 3 showed misfire before replacement and now my OBD2 indicates 3 300 series codes

Submitted: 2 months ago.Category: Toyota
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Answered in 1 hour by:
3/26/2018
Toyota Mechanic: Ted Ritter, Toyota Master Tech replied 2 months ago
Ted Ritter
Ted Ritter, Toyota Master Tech
Category: Toyota
Satisfied Customers: 4,666
Experience: Toyota Master Tech, ASE Certified
Verified

Thanks for posting

Did it have any codes before replacing the sensors/code numbers? Did it start running like this after the sensors were replaced? What are the code numbers it is setting now?

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