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Old 09-01-2001, 06:18 AM
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Ashman Ashman is offline
Service Advisor
Join Date: Sep 2000
Location: Sherman Oaks, CA
Posts: 4,748
I think I've seen stuff they actually sell that you put in before a smog check, and they advertise it as such.

Not sure..

I would use a good fuel cleaner, change plugs, maybe air filter, and go again....

'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.
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