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Clicking Noise on 2004

I recently have a clicking noise that is somewhat random on my '04 Coupe. The noise only appears after about 1/2 hour of driving on the highway at ~70 MPH. The car typically experiences this when I am in

6th gear. It is not really linked to acceleration as the clicking noise is just random. It does happen more frequently when I accelerate though. It almost sounds like spark knock but I use 93 octane always. Chevrolet cannot ever get the problem to occur as they never have the time to drive it. The noise sounds like it is coming from the engine. I have no reduced power. It is just annoying on a $45K car. Any help is appreciated.
Reply to
RalfMalf
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Park it in a dark garage with the hood up. Start it and watch the spark plug wires. Your computer can be adjusting for a leaking wire or cracked plug porcelain so it's not noticeable in performance but it can be seen in the dark.

Warning, exhaust fumes can kill you so don't do it very long and/or in an air tight garage.

Reply to
Dad

ROFL.

Maybe you should just tell him to do it at night with the lights off and the garage door open.

I know, I know. Lawnmowers have warnings on them not to put your hands under the deck when running and hair dryers have warnings not to use them in the shower or bathtub. Duh!

Reply to
Tom in Missouri

Don't rub it in, I admit to being guilty of some of those "DUH!" type moments. Besides, what's wrong with using a hair drier in the shower, just don't plug it in, most showers don't have plugs anyway. Knot the wash cloth in the cord and it makes a good crevice cleaner. ;-)

Dad Ouch!

Reply to
Dad

Reply to
RicSeyler

See what you know, the C5 runs just fine on regular, but it's ok to biggie size your gas purchase to premium. I'm slipping and you're driving a flexible flyer, I can handle that. ;-)(-:

Reply to
Dad

HAHAHAHAHA Bite me, iffin you can find your teeth!! :-) And it's not a flexible flyer, it's equipped with advanced road and terrain following and compliance technology..... so there!! neener neener

Reply to
RicSeyler

Damn, forgot to get some fresh air. Now I think I'm stoned on this CO. You guys should've warned me.

I'll check the plug wires tonight.

Reply to
RalfMalf

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