Quote:
Originally Posted by Bigpete123
They tested it by doing a "heat test". They said a typical cat gets hot in the rear when its running. But they are saying mine is "ice cold" near the back indicating that it's not burning up the fumes like it should.
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This would depend on whether the cat was brought up to proper temperature in the first place.
With my current car, and the previous one, every emissions station said that 90% of the W124s they test always fail the first time because the cat is not hot enough. What they do to warm it up is rev the engine at about 2500-3000 rpm until they smell strong fumes. Then they retest, and the car passes.
This has been the procedure (at least with my cars) with every emissions test for the past 10 years, both in NY and VA.
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2008 E350 4matic / Black/Anthracite
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Gone but not Forgotten:
2001 E430 4matic, 206,xxx miles, Black/Charcoal
1995 E320, 252,xxx miles, Black/Grey
1989 260E, 223,00 miles, Black/Black
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