Noisy start innthe morning
07-18-2004, 12:43 AM
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Noisy start innthe morning
Any one have a very loud exhaust start in the morning. Every time I start my 996 in the morning it is VERY LOUD. Then the second. third/forth start is perfect....very throarty....The 1st sounds like the engine will blow,,,,thew followup starts are awesome....I recently has a new maxflow exhaust installed by the dealer....comments
07-18-2004, 11:21 AM
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My '99 996 emits a very loud whiney sound on cold starts. The whine continues for a couple of minutes, then abruptly stops. It does not happen on warm starts. The culprit is a water pump, located at the very back left of the engine, right by the bumper. My mechanic called it the "smog pump," but didn't know what to do about it except make a pricey replacement.
Maybe you have the same thing going on?
Maybe you have the same thing going on?
07-18-2004, 07:26 PM
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Originally posted by Mereel77
My '99 996 emits a very loud whiney sound on cold starts. The whine continues for a couple of minutes, then abruptly stops. It does not happen on warm starts. The culprit is a water pump, located at the very back left of the engine, right by the bumper. My mechanic called it the "smog pump," but didn't know what to do about it except make a pricey replacement.
Maybe you have the same thing going on?
My '99 996 emits a very loud whiney sound on cold starts. The whine continues for a couple of minutes, then abruptly stops. It does not happen on warm starts. The culprit is a water pump, located at the very back left of the engine, right by the bumper. My mechanic called it the "smog pump," but didn't know what to do about it except make a pricey replacement.
Maybe you have the same thing going on?
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07-29-2004, 03:32 AM
#8
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Has it always been like that since you put the Fabs on or just noticed it lately? I have fabspeeds and it did that in the beginning but over time it has lessened but you know what I like the sound at first startup : ). Regards. Mike
07-30-2004, 09:06 PM
#10
I like to wait until it kicks off the air pump ala cold idle etc. and then go. I don't like to drive the car when it's that cold, plus with the gear box being as fun as it is when it's cold every second of warm up seems to help. I believe however in the manual that Porsche says to drive the car after you start it. HOWEVER, this is due to the fact that the company is trying to be emissions and environmentally friendly and everyone I know lets their car warm up at least 1/2 way through that idle if not to till it's over-
