Another thing that might help is be sure that your
truck is at operating temp befor you take the test a
cold cat is not as effictive as a hot one.
sam
--- Kyle Kozubal <grndak4x4@home.com> wrote:
> My truck recently failed its emissions, as many
> already know. The truck
> passed every part of the test except the hydrocarbon
> portion. Standards are
> 1.60 and the Dak ran a 1.76. I poured a bottle of
> CRC Emission Pass, which
> claims to lower hydrocarbon emissions, when I filled
> up on Saturday. I
> should have this 'cleaner tank'-ful of gas down
> Wednesday. I also shot a
> good amount of 3M Throttle Body & Intake Cleaner
> down the TB Sunday. I also
> changed the oil/filter oon Sunday as well as
> slapping on a new PCV Valve.
> Today I figured I was just going to pull a few plugs
> and see how they
> looked, since I thought the TB Cleaner and the CRC
> Additive might gunk up
> the plugs a bit. The plugs were kind of dirty, and
> the gap was a tad large.
> I used to run the Autolite plugs(when I was using my
> MSD 6-Offroad Ignition)
> anywhere from .044 upto .050, just depended on my
> mood at the time of
> installation :)
>
> I pulled just 3 plugs tonight and they were a tad
> over .045.......kind of
> big I think for just having an Accel Super Coil.
> Could this have affect or
> aided in failing the emission test? I have fresh
> Autolite Coppers ready to
> go in when I fillup next, probably Thursday morning.
>
> Stock gap for my truck is .035..........is this what
> I should gap the new
> plugs to in order to help with passing the emissions
> test?? I also bought a
> new NAPA Dist. Cap and Rotor today which I will
> install when I put the new
> Autolite's in.I am hoping to make the Friday morning
> emission test......and
> I really need to pass this time. I was just so
> bummed cause my truck is
> really running great.
>
> Kyle
> 93 Dakota 4x4 V6
>
>
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