MY JAGUAR HAS A MISFIRE ON 1 3 AND 5 I HAD THE ...

2002 Jaguar X-Type

Tiny

khrisstofflam

January, 6, 2013 AT 4:02 PM

My jaguar has a misfire on 1 3 And 5 I had the spark plugs changed and the coils but it still the same now a garage tells me it's a lambda sensor and the catalyst is it likely to be the catalyst

FOUND 3466 RELATED QUESTIONS

5 Answers

Tiny

ASEMaster6371

January, 6, 2013 AT 4:05 PM

Sounds like they are guessing. Time for a new shop.

Start with checking for vacuum leaks, codes and compression. Start with basics

Roy

Tiny

khrisstofflam

January, 6, 2013 AT 4:54 PM

I've had a check for vacuum leaks and it came back fine the garage are telling me it has a code showing for the lambda value but I may need a new catalyst could it just be the lambda value and how likely is it to be the catalyst as I get the feeling they are trying to get me to have a new one before the lambda value

Tiny

ASEMaster6371

January, 6, 2013 AT 4:58 PM

The o2 sensor code is from the missfiring cylinders. It is trying to adjust fuel mixture. It will go away once the missfires are corrected.

As far as the cat converter, a back pressure test will confirm it being bad

Roy

Tiny

khrisstofflam

January, 6, 2013 AT 5:27 PM

Could you please shine any light one my problem i've already frone a lot of money at it and I maybe about to frow a lot more at it and I don't have much conference in the garages any more

Tiny

ASEMaster6371

January, 6, 2013 AT 5:30 PM

Without me seeing and touching it with my own tools, I can only give you my opinions based on my expierence.

Look for another shop. You need one with a jag as most systems you need a good tech to diag for you.

Roy

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