2002 Chevrolet Suburban Changed Spark Plugs Truck Started Misting Coils Out

2002 CHEVROLET SUBURBAN
122,560 MILES
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I changed my spark plugs an my truck started misting so I changed my coils out but still got a mist so wat else can I try!?
Oct 23, 2012 at 6:32 PM
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HMAC300
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did it have a miss prior to changing plugs? if not replace the plug wires. also check fuel pressure and scan for codes. check for a avacuum leak at intake as well.
Oct 23, 2012 at 7:54 PM
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