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    how do i know if the Idle control motor is bad on my truck?

    i have 1991 GMC sierra 2500 454 7.4 liter truck and it didnt pass emissions because the rpm's were 1700 and the guy said it was not supposed to be higher than 1100 and he couldent run the test until the rpm's were lower than 1100, he also told us to see if we could adjust the idle on it. so we...
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    what is wrong with my GMC truck?

    i replaced the ignition rotor and the ignition coil and there is still no spark what could cause this to happen??
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    Samsung 6 series tv problem?

    I have just bought a samsung 37inch 6 series Led tv, Connected to SkyHD box via HDMI and PS3 via HDMI. the problem is the TV keeps switching off and on again on its own every few minutes. Can anyone help.
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