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JrmyCrss 02-24-2009 06:51 PM

2006 Ion Knock Sensor Replacement
Hello All, New to the forum. I tried searching, and although i found some very usefull information, i could not find exactly what i'm looking for.

My mother has a 2006 Saturn Ion, she said the check engine light came on yesterday and advance auto checked it and said it was the knock sensor. After reviewing some of the posts here, i asked her some questions that seem to come up.

She hasn't changed the octane of gas she uses (probably low grade) Gets gas at the same place. She says there hasn't been a change in the cars driving, and that there is a clicking noise.

A Mechanic she has used before estimated 1500 or so to fix it, but unless the motor has to be pulled out to replace it, i cant see that kind of price.

I'm looking for a how to replace the knock sensor, she cant afford that price. She is in georgia about 8 hrs away from me, so i dont even know if she should drive it to tennessee so i could fix it. Any help is much appreciated. :us:

2006 ion2 02-24-2009 08:40 PM

Re: 2006 Ion Knock Sensor Replacement
you can access the knock sensor from below, remove the starter motor, then remove the retaining bolt from the sensor, remove the connector from the wire. replace the sensor, then the starter motor. you don't need to pull a battery cable, there is no power going to the starter unless you try to start it. driving the car (as long as the sensor is the problem) is not bad for it.

ssicarman 02-24-2009 10:07 PM

Re: 2006 Ion Knock Sensor Replacement
[QUOTE=2006 ion2;1405821]

there is no power going to the starter

Except for the main power cable from the battery that goes to the starter.

The battery negative should be removed before removing the starter.

2006 ion2 02-24-2009 10:34 PM

Re: 2006 Ion Knock Sensor Replacement
you're just moving it out of the way, sorry, wrong wording, but you don't have to pull it out of the car, just move it out of the way.

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