jthammond3 Posted March 20, 2008 Share Posted March 20, 2008 engine missed fired so i change the spark plugs and it ran great but today it started to idle rough and it miss when you you give it gas so did a plug stop working? plug wire? if spark plug went bad, what made it go bad? and to day i got my mufflers removed and they put on dump pipes on it it sounds good but no mufflers did that make the plug go bad? please help its my first car 1995 sc300 with 2jz-ge engine so help please Quote Link to comment Share on other sites More sharing options...
Lethal_Threat Posted March 20, 2008 Share Posted March 20, 2008 engine missed fired so i change the spark plugs and it ran great but today it started to idle rough and it miss when you you give it gas so did a plug stop working? plug wire? if spark plug went bad, what made it go bad? and to day i got my mufflers removed and they put on dump pipes on it it sounds good but no mufflers did that make the plug go bad? please help its my first car 1995 sc300 with 2jz-ge engine so help please Did you reset the ECU after your put dumps on it? Quote Link to comment Share on other sites More sharing options...
jthammond3 Posted March 20, 2008 Author Share Posted March 20, 2008 no how do you reset the the ecu? Quote Link to comment Share on other sites More sharing options...
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