Knock Sensor Replacement
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Knock Sensor Replacement
I have a 2007 navigator with very low miles (30,000). The engine light came on with a code PO330 knock sensor 2 circuit malfunction (bank 2).
So looks like I have to find the darn thing somewhere in the intake manifold, test it for impedance or a bad wire \connection and or replace.
Are there any instructions or ideas on how best to proceed without taking it into the shop?
So looks like I have to find the darn thing somewhere in the intake manifold, test it for impedance or a bad wire \connection and or replace.
Are there any instructions or ideas on how best to proceed without taking it into the shop?
Fleet Owner
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Both are under the intake, so the intake has to come off. BTW, with the intake off it's a great time to replace the spark plugs.
Anyway, view the attached PDF and numbers 3 an6 are the 2 knock sensors.
Anyway, view the attached PDF and numbers 3 an6 are the 2 knock sensors.
Fleet Owner
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BTW, before you pull the intake, you might want to access the connectors for the 2 sensors and swap them just to see if the code moves to the other side. The sensor could be good and you could be having a wiring issue. If it's a wiring issue then you would've pulled the intake for no reason.
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Swapping the leads is a great suggestion. Is it difficult to get to the sensor leads to do the swap?
I have a pretty robust tool collection but 3 to 5 hours is quite a bit. Do you know what the shop time allows for this procedure?
I have a pretty robust tool collection but 3 to 5 hours is quite a bit. Do you know what the shop time allows for this procedure?
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