misfiring when hot
09-08-2005, 03:23 PM
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misfiring when hot i just put the ngks in my friends car and it ran fine but after about 10 mins of driving it started to misfire real bad i went to a friends cheaked the wires to make sure they were on right and they were on good the ses light also flashed while he was drivin it cooled down and ran fine down the street and did it again once hot again any suggestions?
09-08-2005, 03:40 PM
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Maybe you guys cracked one of the ceramic insulators putting them in. Could still be a bad cable, only shorts out when it gets hot.
If you know which cylinder isn't firing right, try swapping that cable with another cylinder and see if the misfire follows the cable.
If you know which cylinder isn't firing right, try swapping that cable with another cylinder and see if the misfire follows the cable.