jaguar s type error code P0304. What is this code?

Asked by Terry90211 Aug 05, 2015 at 03:10 PM about the 2002 Jaguar S-TYPE 3.0L V6 RWD

Question type: Maintenance & Repair

Check engine light on.  Engine misfiring and will barely run at 40 mph

3 Answers
4,030

Toitoine answered 9 years ago

The code means that cylinder 4 is misfiring. It does not really solve the problem but you know where to look.

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Shah1010202 answered 8 years ago

swatch around the coils from 1 to 4 if the code come back as p301 then you have a bad coil but if you still get p304 the check the spark plug and change all spark if need. If that doesn't solve the problem then you might have bigger problem like bad rings etc...

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