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Related Toyota Questions
Check engine light is on. my OBDII will not diagnose.
Check engine light is on. my OBDII will not diagnose. AutoZone gives 4 possiblities-O2 sensor or cat converter … read more
HDGENE
HDGENE
7,735 satisfied customers
2001 toyota tacoma 3.4L; P1135. I have replaced upstream cat
2001 toyota tacoma 3.4L; P1135. I have replaced upstream cat and upstream o2 sensor (generic brand). still have code … read more
Eric
Eric
Retired
N/A
37,397 satisfied customers
P0420 check engine code on my daughter's 2003 Solara 4
Hi, P0420 check engine code on my daughter's 2003 Solara 4 cylinder, I think this means a new catalytic converter but should I also replace the A/F and o2 sensor before and after the cat? … read more
Roy
Roy
shop foreman
Associate Degree
5,217 satisfied customers
I have a 2003 Tacoma DLX 2.4L four cylinders, automatic. I
I have a 2003 Tacoma DLX 2.4L four cylinders, automatic. I had a "Check Engine Light" and the code is for a catalytic converter. I took it to a mechanic and they recommended to change the kick down tr… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
24,500 satisfied customers
My 2008 Prius has dropping gas mileage and check engine
Customer: ***** ***** My 2008 Prius has dropping gas mileage and check engine light code P0420 … read more
sprinkles08
sprinkles08
Technician
High School or GED
18,936 satisfied customers
Tacoma: I have 04 Toy Tacoma Base Ext Cab 3.4L that had CEL,
I have 04 Toy Tacoma Base Ext Cab 3.4L that had CEL, took it to dealer, who diagnosed code p0136 which apparently means that I need to replace the ENTIRE exhaust system, including both cats. Price tag… read more
Ted Ritter
Ted Ritter
Toyota Master Tech
High School or GED
5,147 satisfied customers
Toyota tundra: Hi there What is code P0420, Catalyst system
Hi there What is code P0420, Catalyst system efficiency below threshold - Bank 1? The CEL was on before and I replaced an O2 sensor (Bank 1, Sensor 2). Went out for a couple days, now this. Any though… read more
Skyvisions
Skyvisions
ASE Certified Technician
High School or GED
13,476 satisfied customers
VSC Trac off and check engine light all on..O2 sensor
VSC Trac off and check engine light all on. Just had the code read, P1135. Google search reports O2 sensor issue, I read somewhere that the forward O2 sensor had a different code.… read more
LexusPro
LexusPro
Master Automotive Technician
1,002 satisfied customers
My 2000 Toyota 4 Runner has the check engine light on and when
My 2000 Toyota 4 Runner has the check engine light on and when I hooked a friend's diagnostic tool to it we got error code P1130, P1135, and P0420. Is this the O2 sensor or the catalytic converter?… read more
Ted Ritter
Ted Ritter
Toyota Master Tech
High School or GED
5,147 satisfied customers
2001 Camry: misses..speeds..smooth..Codes are p300, P0303, P0304
2001 Camry misses at all speeds and transmission does not change as smooth as it should. Codes are P0300, P0303, P0304 and P1135.… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
19,780 satisfied customers
2001 Toyota sienna ce: Trouble codes p0420..heated circuit
I have a 2001 Toyota sienna ce with the check eng. light on. Trouble codes p0420/ catalyst efficiency below threshold, and p1135/ air/ fuel sensor heated circuit response (bank1 sensor 1). did trouble… read more
lexpert
lexpert
Technician
Vocational, Technical or Trade Scho
2,100 satisfied customers
2001 tacoma: engine lite..double cab..autozone ran test..fuel sensor
engine lite on. 2001 tacoma double cab. autozone ran test, said fuel sensor has bad or weak connection. where do i find this sensor to check the connection. thanks… read more
Genchi Genbutsu
Genchi Genbutsu
Toyota Master Technician
Vocational, Technical or Trade Scho
3,761 satisfied customers
2001 toyota tacoma 4wd dbl cab changed both o2 sensors and
2001 toyota tacoma 4wd dbl cab changed both o2 sensors and both catalytic converters check engine light came back on with code P0420 cant figure it out I erase the code and on tghe way home from work … read more
Skyvisions
Skyvisions
ASE Certified Technician
High School or GED
13,476 satisfied customers
2000 toyota 4runner: p0420..cats today, cleared the cel..code came
Hello. I have a 2000 toyota 4runner and I am getting a p0420 code. I replaced both cats today, cleared the CEL, and after driving maybe 5 miles the code came back. Now when I went to change the cats I… read more
Skyvisions
Skyvisions
ASE Certified Technician
High School or GED
13,476 satisfied customers
Code P1135 air/fuel heater circuit response. ( bank 1 sensor
Code P1135 air/fuel heater circuit response. ( bank 1 sensor 1) probable cause 1- open or short circuit condition 2- poor electrical connection What is this sensor and were is located? Is this a deale… read more
Ron Z.
Ron Z.
Vocational, Technical or Trade Scho
21,304 satisfied customers
2002 toyota avalon XL: cylinder..the scanner..downstream..sensors
2002 Toyato Avalon XL 6 cylinder. The check enginelight is on and the scanner gave me the code P1135 oxgyen sensor. I replaced both upsteam and downstream sensors but the light still comes on. When I … read more
Genchi Genbutsu
Genchi Genbutsu
Toyota Master Technician
Vocational, Technical or Trade Scho
3,761 satisfied customers
2001 Toyota Tacoma: Ext..v..6 153000 manuel trans check engine light
2001 Toyota Tacoma Ext Cab 4x4 3.4 v-6 153000 manuel trans check engine light code p1135 what is it and how do I fix it… read more
Sean
Sean
Shop Foreman
Vocational, Technical or Trade Scho
6 satisfied customers
2001 Toyota Tacoma: emissions..cel..intake manifold, not the o2 sensor
I own a 2001 Toyota Tacoma 3.4 L engine and CA emissions. The CEL light is on and OBD code is P1135 which is a "Air/Fuel Sensor Heater Circuit Malfunction". The local Toyota shop says it needs a 89457… read more
Skyvisions
Skyvisions
ASE Certified Technician
High School or GED
13,476 satisfied customers
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