Questions & Answers for: Volvo p0420 code

codes p0303/p0420/p0700 what mean that P0420 Catalyst system below Efficiency Threshold (Bank1) p0303 Cylinder 3 Misfire Detected p0700 Transmission Control System Malfunction

ENGINE LIGHT ON S40 VOLVO TOOK IT TO AUTO ZONE WAS ADVISE THE WAS CODE P0420 WHAT IS THAT? o2 sensor

p0420-what does that mean I have a 2002 Volvo s40. And that code came up and is makin my car fail smog. What is the problem and how do I fix it Catalytic converter efficiency. i'm having the same ...

what is p0420 on a volovo s40 Catalytic converter efficiency. Replace the catalytic converter. i'm having the same problem did you ever get that trouble code to go away?

...CODE P0420 CHECK ENGINE CAME AND I HAD IT CHECKED AT AUTO ZONE THE CODE INDICATED WAS P0420. VEHICLE ISN'T MISFIRING OR RUNNING BAD. P0420 isnt a misfiring code; this code P0420 is refer at ...

...code P0420, runs good can not pass smog P0420 - Catalyst System Efficiency Below Threshold (worn out cat.)Possible causes- Three way catalyst converter Bank 1 - Exhaust tube - Intake air leaks - Fuel ...

fault codes p0420 for a 2006 volvo S40 is there an update to fix a 0420 P0420 indicates Catalytic convertor not efficient. could be rear sensor. Guaranteed fix is to remove the rear sensor and ...

...code P420 appears? P0420 is catalyst efficiency below threshold. It means your catalytic converter is unable to clean up your exhaust anymore. Might be that your car is not running properly and ...

I have two engine codes that came on in my 2004 Volvo S80 AWD . P0014 and P0420 what do they mean ? P014 - 'B' camshaft position - timing over advanced P420 - catalyst system efficiency below ...

...code. I've been told JustAnswer https://www.justanswer.com > volvo > iq32q-99-s70-v... Feb 12, 2022 - On newer vehicles, the P1004 is for the short runner valve which is internal to the intake ...