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Help Bizzare symptoms!

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Old Oct 25, 2006 | 04:57 PM
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Default Help Bizzare symptoms!

Need help! While driving to work today my car started making a slight ticking or knocking sound from under the hood? Noise sounds like it's coming from the driver side of engine.It only makes the sound when I press the gas, not on idle. Also idles kinda rough and has a slight hiss.
Any help would be appreciated.
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Old Oct 25, 2006 | 06:33 PM
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exhaust leak? if you have headers re-torque the bolts
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Old Oct 26, 2006 | 01:15 AM
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id also go with an exhaust leak....invesitigate further and give us some more info...
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Old Oct 27, 2006 | 06:16 PM
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can smell gas in engine compartment and in exhaust?
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Old Oct 27, 2006 | 06:38 PM
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ya exhaust leaks make a big nasty tick i thought i broke something at 400 miles of break in lol
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Old Oct 27, 2006 | 08:17 PM
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Had a GM expeirenced guy look at it tonight and he thinks its the driver side doughnut ring or gasket, which seals the manifold to the exhaust. Does that sound right?
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Old Oct 27, 2006 | 10:15 PM
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...wouldn't hurt to see if one of your sparkplugs has unscrewed itself. Once that has happened to my car, had the wierd ticking/puft-puft sound and threw a lean bank code.
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Old Oct 29, 2006 | 12:28 AM
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It turns out that the leak was coming from the exhaust manifold. After unbolting, the end of the gasket closest to the firewall was deteriorated pretty bad, which explains why the bolt on that side was loose.
So new question; should I use a gasket or not? Heard that the original motor was designed not to need a gasket?
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Old Oct 29, 2006 | 10:09 AM
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get stock repacement gaskets
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