vehicle failed a tsi smog inspection. emission samples taken at both idle and 2500 rpm. hc 7500 and co 6.5% at idle. 2500 hc 4600 co 3.75.

after a check of the basics found cylinders 1 and 2 at 0psi. leak down found burnt exhaust valves. removed heads and se...

FIX posted 5/22/2017

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