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Bad Vibration

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Old Aug 24, 2005 | 08:41 AM
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From: KYLE TX
Default Bad Vibration

Any ideas? My 99' A4 has developed a bad vibration when in gear and there is no car movement (like at stop lights or putting into gear to back out of the garage. It feels like the entire car is vibrating. Once she is underway the vibration is gone (or if I put it in neutral). I have had both sets of pulleys and tensioners changed out and the mechanic said the harmonic balancer was fine. Could it be something in the driveline? Is there anything I can check without taking it to the stealership? Thanks everybody
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Old Aug 24, 2005 | 10:31 AM
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Check for misfire first. Could be caused bad spark plugs, wires, o2 senors, etc.. Are you getting any codes?
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Old Aug 24, 2005 | 04:32 PM
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From: KYLE TX
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OK, I will change the plugs and wires (I have been looking for an excuse to do that anyway). I am not getting any codes as of yet. How can I tell if the o2 sensors are bad? Anything else I should check? And thanks again for the help!!
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Old Aug 24, 2005 | 04:41 PM
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Originally Posted by BSRRT
OK, I will change the plugs and wires (I have been looking for an excuse to do that anyway). I am not getting any codes as of yet. How can I tell if the o2 sensors are bad? Anything else I should check? And thanks again for the help!!
Could it be a bad injector?
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Old Aug 25, 2005 | 10:55 AM
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Originally Posted by BSRRT
OK, I will change the plugs and wires (I have been looking for an excuse to do that anyway). I am not getting any codes as of yet. How can I tell if the o2 sensors are bad? Anything else I should check? And thanks again for the help!!
You probably would have gotten a code if the sensor itself was bad. But the wires to the sensors may have gotten burnt from the heat of the exhaust. Should be an easy visual check. Hopefully it's just from a misfire and nothing major
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