Question about 2000 Toyota Tacoma PreRunner
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: need 92 toyota paseo to
High HC means moisture in the system. Try driving it longer then take it to the smog shop. Otherwise it could be hard like a head gasket or easy such as a PCV not functioning. Any ways you should always drive it about 20 miles before smog check, longer when the weather is cold.
Posted on Dec 01, 2010
It depends which emission you are failing on but I suspect that it is either CO or NOx. If it is NOx, then it is quite possible that you have a problem with your EGR valve or the ignition timing is incorrect. If you failed CO, you may have a dirty air filter or indeed, a bad carb, but I would need to know the actual gas and readings to be certain.
Posted on Jun 09, 2011
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