I have a 1993 300E 2.8 with about 122,000 miles on it. It recently went for NJ emissions testing and failed. My HC tested at 150 instead of 100. I am told that the cause of this is not the normal tune up but rather that something is defective. the car had a tune up in the last 12,000 miles and I was wondering if anyone has any suggestions. Also want to mention that for the first 30 seconds or so I get a "tistt, tistt" sound from the air pump. After 20 -30 seconds it just stops making the noise. It is not a gradual fade but an instant turn off of the noise. I'm not sure if one is related to the other. Robb T. South Jersey _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED]
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