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Originally Posted by BNaylor
To pass the odb-ii 1996 and up emissions test in most states that require it you have to get an emissions (IM) readiness flag as being OK. IM status will be checked by the scan tools they use. It is possible to get a IM status OK without the SES/CEL light on but certain DTCs will inhibit IM readiness and cause it to fail so you may flunk inspection again. I have a better than average odb-ii scanner and check IM status right before the annual emissions test in Texas just to be sure it is good.
Why were the supercharger and LIM gaskets replaced and with your low mileage? The P0171 DTC is one of the worst to get and may involve alot of controlled substitution of suspected parts and diagnostics.
At least on the front valve cover gasket you can now get that replaced free of charge. 
See link below.
http://www.automotiveforums.com/vbul...d.php?t=893778 |
Thanks for your reply.
Upon taking my car because of it misfiring.
They inspected it.
1.) MAF sensor was replaced due to it being defective.
2.) #1 coil was replaced, cause of misfire.
3.) Supercharger gasket was leaking coolant
4.) LIM gasket was leaking