Funny noise on start ups
07-03-2002, 01:59 PM
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Alabaster White C230K Grey Int. and 2003 C32 pewter/charcoal gray
Funny noise on start ups
Everytime I have my car sitting in my garrage for a few days I hear a funny diesel like noise from the hood after starting it. Does any body experienced this? Is this normal?
07-03-2002, 04:50 PM
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2002 C230K, Silver, 6-speed, Evo, Roof, Leather, CD, Staggered C7 Wheels
Re: Funny noise on start ups
Originally posted by c230_2k2
Everytime I have my car sitting in my garrage for a few days I hear a funny diesel like noise from the hood after starting it. Does any body experienced this? Is this normal?
Everytime I have my car sitting in my garrage for a few days I hear a funny diesel like noise from the hood after starting it. Does any body experienced this? Is this normal?
07-03-2002, 04:52 PM
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Re: Funny noise on start ups
Originally posted by c230_2k2
Everytime I have my car sitting in my garrage for a few days I hear a funny diesel like noise from the hood after starting it. Does any body experienced this? Is this normal?
Everytime I have my car sitting in my garrage for a few days I hear a funny diesel like noise from the hood after starting it. Does any body experienced this? Is this normal?
07-03-2002, 06:22 PM
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C230 Sports Coupe
in the coupe its a bypass valve of some sort that is warming the cats up. or so i was told by dealer.
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12-21-2005, 08:56 AM
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2003 C180K
When the engine is started from cold, air is injected into the exhaust manifold for around two minutes to heat up the cat converter, getting it up to operating temperature as quickly as possible to reduce exhaust emissions. The air injection gives the engine a sound similar to that of a slight exhaust manifold leak. After about two minutes, the air injection stops and the engine quietens down.
