Questions & Answers for: Jaguar p0420

codes P0171 , P0174, P0420 I have S tyep, 00 , 3.0L that cus off randomly and on evrey stop sign. spark plugs changed, down to the oil . I had it scaned and three codes show up , P0171, P0174 and ...

P0420 Error code, I had the sparks plugs replaced in dec...now one is misfiring again. Hi, I have a 2001 Jaguar S-Type 4.0. My car failed emmissions because of three error codes. P0420, a misfire (don

96 jaguar xj6 code po420 The code P0420 is the catalytic converter, you need to get this checked, by an exhaust specialist or mechanic with the correct equipment/ testers ,if the cat gets badly ...

my car has the code P0420 and p1111, which is what I do? p0420 refers to "catalyst efficiency low bank 1" and p1111 is air temp sensor circuit voltage high. replace your air temp sensor and it is ...

which is what I do to write the code P0420, as do I fix it? I change it? So what is causing my P0420 code? There are a number of things that could be causing this p0420 catalyst efficiency code. The ...

My jaguar 2001 s-type 3.0; just failed inspection for emissions. The code was p0420 code. Bank 1 catalyst below threshhold. Rather than get ripped at the jaguar service center. I will buy the part ...

Have code on my 03 Jaguar p0420 can someone plz tell how to correct and it also says p1111 P0420 = Catalyst system efficiency below threshold (Bank 1) - possible sensor fault ? P1111 = Intake air ...

2002 faguar s type 2.5l P0301 P1313 P0420 P0430 P1000 ,what is the problem and how do i fix it? 0301 Indicates a misfire on cyl no.1 1313 Indicates Misfire0420 & 0430 Indicate bad reading from ...

jaguar engine code p 0420 The P0420 means Catalyst System Efficiency Below Threshold (Bank 1)________________obd2 code reader

How to replace p0420 and p0430 sensors p0420 and p0430 are codes for bank a and bank b catalyst efficiency below threshold. there are 2 sensors on each bank. you dont say if its a v6 or a v8, if its a