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dtxscott dtxscott is online now
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Join Date: Feb 2005
Location: Republic of Texas
Posts: 432
Simply unplug each spark plug one at a time with the engine running. If the idle stumbles or changes, that cylinder is functioning

If the idle is unchanged when pulling the plug wire, that cylinder is no bueno.
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Scott C.
'08 Cayenne GTS 6MT : '89 Targa GP White/Black - "Oliver's Car" : '11 Mitsu Evo X : '08 Lexus IS350 F-Sport : '01 Toyota Sequoia : 1998 Yamaha V-max : 1979 BMW R65
Old 06-18-2023, 02:32 PM
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