Quote:
Originally Posted by jlomon
David: the oil is changed religiously every three months, which amounts to about 1500 miles per oil change.
Manny: I refreshed all the ignition related items a little over a year ago, which amounts to about 7000 miles (plugs, wires and the three plungers below the coils). The car doesn't use any measurable amount of oil between oil changes. I hope that doesn't mean a catalytic converter, but with my luck it probably will. Its always the most expensive thing.
Rick: Premium fuel only, 91 Octane.
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Jonathan, those increases are relatively marginal. Could be plenty of factors, most probably minor. If you did a lot of city driving recently, versus a long highway trip, etc.
When I bought my E430 this past April, it scored perfect 0's. Earlier, the previous owner did a test and got some low numbers for HC and CO. So the car actually 'improved' over time, without having any work done to the car.
I wouldn't worry about those numbers at all. You could always do a follow-up test in a few months. If the numbers keep getting worse, you could have an issue somewhere, maybe the cats. Just my $0.03.
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Chris
2007 E550 4Matic - 61,000 Km - Iridium Silver, black leather, Sport package, Premium 2 package
2007 GL450 4Matic - 62,000 Km - Obsidian Black Metallic, black leather, all options
1998 E430 - sold
1989 300E - 333,000 Km - sold
1977 280E - sold
1971 250 - retired
"And a frign hat. They gave me a hat at the annual benefits meeting. I said. how does this benefit me. I dont have anything from the company.. So they gave me a hat." - TheDon
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