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1997 Jaguar XJ6 occasional missfire, check engine light

Tiny
PIPER19W
  • MEMBER
  • 1997 JAGUAR XJ6
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 74,000 MILES
Had replaced plugs, oxygen sensors, air mass meter, fuel filter and 2 coils # 3 and #4, codes stated that misfire where# 3 and #4 cylinders. Sometimes it runs fine, and when you acceralate it feels that it starves and the picks up power.I hate to keep throwing parts at the car, my mechanic keeps reading the same code. What's next fuel pump, injector, fuel pressure reg?
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Sunday, May 18th, 2008 AT 11:26 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

If your mechanic has the fault codes, he should be able to start a diagnose of the trouble area. If it is a fuel related issue I would be checking pump pressure, flow rate, rail pressure. As a starting point.

Mark (mhpautos)
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Sunday, May 18th, 2008 AT 5:06 PM

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