1998 Other Jaguar Models ENGINE ROUGH IDLING

1998 JAGUAR
50,000 MILES • V8 • 2WD • AUTOMATIC
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LEDRA_78
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my car is an xk8 1998 normally aspirated engine myproblem is engine rough idling, we replaced ignition coils because we found out 1pc is not working and other coils giving low current. we also replaced spark plugs, but still rough idling and smells fuel and low power but the black smoke is gone. We also chk injectors in the machine and all aregood injectiors. pls advise
Jul 9, 2008 at 1:59 PM
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DOCFIXIT
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Check the EGR valve for proper operation. This will cause rough idle and loss of power up to 2000rpms.
Jul 9, 2008 at 2:15 PM