1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

miss fire at 5k

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Old Dec 4, 2004 | 09:33 PM
  #1  
mutiny1's Avatar
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From: tacoma,wa
miss fire at 5k

i am getting a miss fire at about 5k rpm.dont know what it is.timing was just done.
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Old Dec 5, 2004 | 01:28 AM
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From: Socal
spark plug wires.
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Old Dec 5, 2004 | 03:24 AM
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From: Near Seattle
If the timing was just adjusted, if I'm understanding your post correctly, maybe somebody goofed?
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Old Dec 5, 2004 | 10:21 AM
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From: Greensboro, NC
cheap/old spark plugs??
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Old Dec 5, 2004 | 03:05 PM
  #5  
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From: tacoma,wa
i did the timing.
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Old Dec 5, 2004 | 03:16 PM
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I've been duped by old spark plugs before. Do you have a way to bench test them?
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Old Dec 5, 2004 | 03:34 PM
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check your cap and rotor, when setting my timing, i'd rev for full advance and let off throttle, the light would break up indicating miss on deceleration. my rotor and cap aren't in good shape. rotor is cracked and cap shows signs of arcing.
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