Question:

Im looking a buy at 97 gmc sierra. Knock sensor code shows on my code reader.Is that something to w

by wenting  |  8 years, 7 month(s) ago

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The truck is in mint condition and seems to run fine. But the code reader is reading a code and it say "knock sensor 1 circut high input(bank 1 or single sensor). Is this something I should worry about before buying the vehicle,or is it and easy fix.

 Tags: 97, buy, code, GMC, im, knock, looking, reader.Is, Sensor, Sierra

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  1. Guest27200845

     The knock sensor is important, it keeps your pistons from burning up due to detonation(the pinging you hear on hills) it should be an easy fix though. It is a one wire circuit, and could just be disconected, or a bad sensor, and its not hard to replace. I would see if the seller will take care of it for you though....
    You can take look at the following: OBD code reader
    http://www.xcardiag.com/wholesale/ads-1s-pc-based-universal-obd2-fault-code-diagnostic-scanner-9.html

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