Question about Lexus Cars & Trucks
Check you wiring harness, sometime the connectors are bad or corroded.
Posted on Apr 15, 2019
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Posted on Jan 02, 2017
SOURCE: 1996 4 runner had p0171
what is the resistance of the wires between sensor and ecm connector, excess resistance from varying gauge wire and solder or solder-less connections can cause problems
Posted on Mar 10, 2011
code p 0330 refers to knock sensor (KS)2 bank 2 ---circuit malfunction===causes wiring--KS---ECM
it is possible that in changing the harness there is a problem connection or the connection to ks2 is not correct ( not on properly)
Posted on Oct 01, 2016
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Knock Sensor Circuit Malfunction
What does that mean?
A knock sensor tells the engine computer when one or more of your engine's cylinders are "knocking", that is, exploding the air/fuel mixture in a way that delivers less power and can be damaging to the engine if prolonged. The computer uses this information to tune the engine so that it doesn't knock. If your knock sensor wasn't operating properly, so that it was always indicating a knock, the engine computer's response may have been to change the ignition timing on your engine. Knock sensors generally bolt into or thread into the engine block. This P0325 code may show up intermittently or the Service Engine light may be lit constantly. Other knock sensor related DTC codes include P0330.
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You may notice drivability problems including a lack of power and perhaps some hesitation. There may also be other symptoms.
A code P0325 most likely means one or more of the following has happened:
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