10-20-2010, 09:12 PM | #1 |
Senior Member
Join Date: May 2010
Location: Torrington, CT
Posts: 121
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One misfiring
So, I went for a little drive in the A a while ago and she seemed like she lost a little power. When I got back I disconnected the spark plug connectors and placed them 1/8" or so above the contacts on the distributor cap. Three had a nice strong steady spark, one did not. #3 was not firing or only firing once every few minutes. I took the distributor cap off and cleaned all 4 contacts, not much better. Checked that the plug was tight no better. Any idea why there would be no spark (intermittent) to only one plug? Distributor cap bad, plug bad?
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10-20-2010, 09:31 PM | #2 |
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Join Date: Sep 2010
Location: Brooklyn, Michigan "Home of M.I.S."
Posts: 398
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Re: One misfiring
Bad plug? no fire if bad.
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10-20-2010, 09:32 PM | #3 |
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Join Date: Aug 2010
Location: Walkerton, Ont. Canada
Posts: 623
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Re: One misfiring
Try changing out that plug and re-fire
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10-20-2010, 10:08 PM | #4 |
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Join Date: May 2010
Location: California, Maryland
Posts: 1,421
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Re: One misfiring
Check the dist.cam for wear..
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10-20-2010, 11:02 PM | #5 |
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Join Date: May 2010
Location: oroville ca.
Posts: 1,554
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Re: One misfiring
bad cap, bad plug , maybe the spark plug wire is bad also, which might go back to the dist cap, good advice on dist cam, ive had one lobe worn so bad in a dist the points wouldnt open on that lobe, thurn engine over till #3 is on top of the lobe on #3 and see if the points are opening to secs
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10-20-2010, 11:08 PM | #6 |
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Join Date: May 2010
Location: Mpls, MN
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Re: One misfiring
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As mentioned check the cam first because thats the easiest and quickest. |
10-21-2010, 07:52 PM | #7 |
Senior Member
Join Date: May 2010
Location: Torrington, CT
Posts: 121
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Re: One misfiring
Thanks everyone, it was a bad cap! Fortunatly I am in NW CT and was able to run up to A&L Auto Parts for a replacement. Running fine!
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