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2001 Jaguar S-Type emissions

Tiny
T CARTER
  • MEMBER
  • 2001 JAGUAR S-TYPE
Engine Performance problem
2001 Jaguar S-Type V8 Front Wheel Drive Automatic 161k miles

failed emmisions testing computer code P0420 catayst Sys Efficiency Below Threshold (bank1) and code P0430 Catalyst Sys Efficiency Below Threshold (bank2) engine was serviced prior to testing plugs, boots, coils and belt Engine light on also
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Thursday, February 26th, 2009 AT 8:44 AM

1 Reply

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Ok before spending tons of money on cats you should do a couple of pin tests. I can walk you through them but you will need a digital multi meter. Get back to me and let me know if you want to do that and I will get the pin test procedure and we will go through them.
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Thursday, February 26th, 2009 AT 11:17 AM

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