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funny thing happens when I start the car

 
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Old 05 Aug 2003, 08:06 pm
magictrickboy71 magictrickboy71 is offline
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Default funny thing happens when I start the car
Howdy all,

I hope someone can help me. A few seconds after I start my car I can here a funny noise I have not heard before. It sounds like the radiator fan starts up and then turns off and slows down. I opened the hood and I didn't see the fan running. Any idea what this is and if it is a problem that I need the dealer to check out?

Thanks,
Frank[?]
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Old 05 Aug 2003, 08:15 pm
OurPTGT OurPTGT is offline
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Frank, mine started doing it after S1 install. I'm not worried about it, yet...[:I]
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Old 05 Aug 2003, 08:24 pm
romli romli is offline
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Frank,

Are you running Stage 1?
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Old 05 Aug 2003, 08:36 pm
PT2NV PT2NV is offline
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No Stage I here, but mine does that, too. Sounds like an old fire truck siren slowly winding up, then spooling off.
'03 DCII
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Old 05 Aug 2003, 08:43 pm
magictrickboy71 magictrickboy71 is offline
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Nope, so stage 1. No other engine mods except K&N filter. Mine sounds like a fan starting, slowing down and stopping. Not as loud as a old fire truck siren.

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Old 05 Aug 2003, 09:48 pm
Ian-PT-GT Ian-PT-GT is offline
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It is the PCM checking all the systems including the Radiator fan. It is testing the variable speed of it. It is a normal sound straight from DC.
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Old 05 Aug 2003, 10:21 pm
OurPTGT OurPTGT is offline
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Quote:
quote:Originally posted by Ian-PT-GT

It is the PCM checking all the systems including the Radiator fan. It is testing the variable speed of it. It is a normal sound straight from DC.
thanks Ian, I never noticed it before. I think i am a little more paranoid than before
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Old 05 Aug 2003, 10:32 pm
magictrickboy71 magictrickboy71 is offline
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Thanks a bunch Ian!

Boy you gotta love this board!
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Old 05 Aug 2003, 10:50 pm
Ian-PT-GT Ian-PT-GT is offline
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No Prob.

The first time I heard it I thought it was the turbo spooling up, but thanks for the info Dalite sent me, I was able to find that the PCM controls almost the entire car including the radiator fan relays.

Ian
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