2001 Toyota Corolla "oxygenics troubleshooting" Questions

p 0420 code on toyota corolla2004 Hi there: A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called forA damaged or failed oxygen sensor ...

DTC P0420 on 99 Toyota Corolla Which oxygen sensor to replace- before or after the catalytic converter? The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm ...

code 21 on toyota corolla 1993 Code 21 is an oxygen/heater sensor, replace the main o2 sensor and clear the code, or sometimes you can just clear the code and it wont come back. Problems with the o2 ...

PO141, The powe-rtrain control module monitors the oxygen sensor heater. The computer has recognized a failure in this circuit. what does it mean by: Troubleshooting PO141, The power-train control ...

2006 jeep wrangler 4 cyl oxygen heater smog test 2006 jeep wrangler 4cyl oxygen heater status shows not complete Sounds like the heater in one of the O2 sensors is not working. But you would need to ...

troubleshooting po133 slow response (heated oxygen sensor bank 1 aasensor 1) the powertrain control module uses the oxygen aasensor to calculate the air/fuel ratio in the aaexhaust. Replace any ...

po420" Problems 1996 plymouth van A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called for An oxygen sensor is not reading (functioning)

have a 2009 silverado codes p0053,p0059 show chaned sinsors light still comes on This is a heated oxygen sensor and the computer is detecting that there is a problem with the heater portion not ...

Injectors 1,6,&7 open and Code P0171 on 1999 Jeep Grand Cherokee w/ V8. Runs ok, but way too rich. Smoke w/ bad milage Don't sound like it's running "ok" to me...PO171 means that an oxygen

Getting P0420 code & P0303 code...why? A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called for An oxygen sensor is not reading ...