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ek coupe ex throwing code 72

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Old 07-19-2009, 02:14 PM
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Default ek coupe ex throwing code 72

My friends sisters civic is throwing code 72 i believe that means its not firing right in the third cylinder i put the plugs out my civic in and tried my wire and it didnt solve the problem what else could fix this
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Old 07-19-2009, 03:02 PM
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Default Re: ek coupe ex throwing code 72

dizzy, did you get the code erased then it came back?
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Old 07-19-2009, 03:03 PM
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Default Re: ek coupe ex throwing code 72

worst case is a mechanical failure i.e. burnt valve

probable cause is somewhere in your ignition system on a honda

pull apart your distributor and check for a cracked cap/corroded terminals.

the number 3 cylinder is the second closest to the distributor.

you can check for spark by disabling the fuel on the car and cranking it with the wire out, use a screwdriver to the tip of the wire and if you get shocked your getting spark lol
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Old 07-19-2009, 04:13 PM
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Default Re: ek coupe ex throwing code 72

and its getting spark because the idle changed when i pulled the wire while it was running
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Old 07-19-2009, 04:14 PM
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Default Re: ek coupe ex throwing code 72

check your compression?
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Old 07-19-2009, 04:57 PM
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Default Re: ek coupe ex throwing code 72

When's the last time the cap and rotor were changed?
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Old 07-19-2009, 10:15 PM
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Default Re: ek coupe ex throwing code 72

not sure when they were changed she bought the car from a dealer like 3 months ago
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Old 07-20-2009, 03:17 AM
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Default Re: ek coupe ex throwing code 72

could be as easy as a crudded up dist cap leads, or a faulty plug wire, start the troubleshooting process and youll eliminate alot of things.
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Old 07-20-2009, 06:15 AM
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Default Re: ek coupe ex throwing code 72

anybody know where to look up the troubleshooting at online by any chance
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