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Registered
Join Date: Jul 2003
Location: Kansas
Posts: 166
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Help with engine mis
Drove my 68S day before yesterday and it ran perfect. Hopped in this morning and it acts like it is running on 5 cylinders. Figured maybe it was a fouled plug so I changed the plugs today. Same problem.
Car starts and idles fine, can't hear a mis at idle. From off idle to about 4000 rpm it runs rough, even tried to backfire through the exhaust, but at full throttle at 4000 it will smooth out and pull hard. I thought it was electrical but now I'm not so sure. Maybe flooding at low rpm? |
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08-12-2004, 03:33 PM
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Registered
Join Date: Jul 2003
Location: Kansas
Posts: 166
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bump
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08-13-2004, 02:44 AM
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Registered
Join Date: Jul 2003
Location: Kansas
Posts: 166
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bump
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08-13-2004, 06:09 AM
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Registered
Join Date: Jan 2004
Location: Richmond,Va
Posts: 916
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Check timing to see if it advances when you accel, and plug wires could be arcing when you accelerate as more energy goes through the wire it has enough power to jump to a ground though weak insulation. How old are the plugs wires? Since it is a recent problem the plugs probably didnt show much.
Harold
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Harold 
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08-13-2004, 06:37 AM
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Registered
Join Date: Jul 2003
Location: Kansas
Posts: 166
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Timing and advance are ok. Tried to pull off one plug wire at a time and see if I could tell which cylinder wasn't firing. Seemed like it ran the same no matter which plug wire I pulled off. I'm gonna order a tune up kit and new plug wires.
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08-14-2004, 03:37 AM
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Registered
Join Date: Dec 1999
Location: Novato, CA
Posts: 4,740
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Time for new ignition cables?
Joe |
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08-14-2004, 07:27 AM
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