GOTdriver04

I've had my GTO for a month exactly and just in about the last couple of weeks I've noticed a very high pitched noise when starting. It's not high pitched and LOUD but kinda low but I have a really good ear when it comes to things like that and I can hear it. It doesn't do it the entire time, just as it starts, then once it gets warm and i drive it i dont hear it any longer. only does it first thing in the mornings when I start it.

 

westell

more than likely EGR valve. my 02' Camaro SS had this pollution control device. driven by electric pump. valve would get stuck, causing this noise.

warranty issue

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2004 Onyx Black, M6, Mods in excess of 250 characters excluding BB Code markup

rock421

I think what you mean is the A.I.R system. Your 02 SS had an electric air injection pump, but no EGR system. Fortunatley the GTO does not have an air injection system or an exhaust gas recirculation valve. Technology is a wonderful thing!

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Brian Rock
65' GTO 10.59 @ 124.5 on DRs ,pump gas, all motor!
05' GTO bone stock w/5K miles

westell

yes, good thing you can read my mind as obviously i have lost it

sorry there, GOTdriver04

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2004 Onyx Black, M6, Mods in excess of 250 characters excluding BB Code markup