Ignition - Poor Idle Quality, Intermittent Misfire

87jaguar01

POOR IDLE
SECTION: 86
No: 12
Model: XJ6 3.6 Date: DECEMBER, 1987
KEY POINTS: SPARK PLUG GAP ADJUSTMENT
Following reports of poor idle quality accompanied by an intermittent misfire on XJ6 3.6 models, the spark plug gap has been revised from 0.025 in. to 0.035 in. from engine number 9D 129897.

When this condition is experienced in service the spark plugs should be removed, cleaned, gapped at 0.035 in. and refitted.


CAUTION: When removing spark plugs, be careful not to allow dirt to enter the engine.


Torque to 17-20 ft.lbs. (23-28 N-m.)


NOTE: This operation is part of Enhancement Package Part No. JAG 2.


WARRANTY INFORMATION: Repair Code: QA


CAUTION: Part Numbers included in Service Bulletins are for reference only and should always be cross referenced with the latest parts information.