PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

MissFire some one help

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Old Nov 3, 2006 | 10:01 PM
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Default MissFire some one help

hi guys my cylinder 3 missfire and i have change spark plug wire also the coil what can i be now can anyone help me
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Old Nov 4, 2006 | 11:56 AM
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ttt.....
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Old Nov 4, 2006 | 12:41 PM
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crack inj the plugs ceramic. Did you try replacing the plug yet?
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Old Nov 4, 2006 | 03:38 PM
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i replace all new plug twice already..but still happen
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Old Nov 5, 2006 | 09:47 AM
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ttt........
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Old Nov 5, 2006 | 07:28 PM
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Not sure what year set up you have, but if it's only happening on that cylinder (how do you know it's THAT ONE?) it is happening from the distributor (year spec?) to the plug... unless you burned a valve or guide/seal leaking. If you have individual coils, check the wiring to the coil for broken insulation.
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Old Nov 5, 2006 | 09:51 PM
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Originally Posted by Todd157k
Not sure what year set up you have, but if it's only happening on that cylinder (how do you know it's THAT ONE?) it is happening from the distributor (year spec?) to the plug... unless you burned a valve or guide/seal leaking. If you have individual coils, check the wiring to the coil for broken insulation.
i have 98 t/a i have the scanner and it tell me cylinder 3 all the wire are good oh..yeah i got my cat taking off and my 2 rear o2 take off also and egr and air didnt have it tune yet dont know this cause it or not
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Old Nov 6, 2006 | 10:28 AM
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Originally Posted by tsench
i have 98 t/a i have the scanner and it tell me cylinder 3 all the wire are good oh..yeah i got my cat taking off and my 2 rear o2 take off also and egr and air didnt have it tune yet dont know this cause it or not
Pull the valve cover and check the valve springs.
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Old Nov 6, 2006 | 09:34 PM
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i dont know what my problem is not..but now it said random missfire damn this suck
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Old Nov 16, 2006 | 10:19 PM
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problem solve all bc i didnt check the inject 1 fuse
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