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Old 08-09-2009, 02:20 PM   #1 (permalink)
jor
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Join Date: Apr 2007
Member # 90423
Posts: 42
Arizona Emissions

87 Suburban 5.7L, TBI

Just looking for a little help getting my burb through Tucson emissions. It has passed before but this year has failed twice with High loaded HC and high idle CO. After it failed the first time I gave it a quick tune up (plugs, PCV, oil & filter, air filter), Seafoam directly into the intake and a gallon of denatured alcohol in the gas tank. Thanks.
jor

LOADED HC PPM: 195 (100 is passing)
CO IDLE %: 1.56 (1.2 is passing)

Last edited by jor; 08-09-2009 at 08:53 PM.
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