Question about 2004 GMC Canyon

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My truck idles funny, on startup it stays normal for a second then the rpms drop n the truck shudders, even when in drive at stoplights, it shudders like mad till i give it gas and the shudder seems to be overpowered? it only started a week ago n im afraid to drive it cuz i still owe 8g on it!!! HELP!

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Possible head gasket problem. may need a tune up and possible coil pack

Posted on Sep 06, 2010

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