Question about 1999 Lexus RX 300

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1999 Lexus rx300. New knock sensors, harness,etc. when I start it,it knocks ,has no power,very sluggish.

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You may have spun a crank bearing.

Posted on May 15, 2017

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  • Lexus Master
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Check the pressure in the fuel pump
Check the fuel filter for dirt
When there is weak fuel pressure, it generates this type of failure
Also check the compression on the engine cylinders

Posted on May 15, 2017

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Posted on Jan 02, 2017

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1 Answer

I recently changed both knock sensors and wiring harness on my 99 Lexus rx 300! I purchased the parts on ebay and they state (OEM PARTS) Check engine, P0330,


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)

Oct 01, 2016 | 1999 Lexus RX 300

1 Answer

Driver side suspension drops when turned off works ok with engine running new sensor fitted still has problem


RX300 Mega Thread. Start here if you have a problem - Club Lexus ...

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1 Answer

Would knock sensor codes cause my 2000 lexus rx300 to act like it's not getting enough fuel and the overdrive to not work?


knock sensors are significant sensors for timing advance. if the engine is knocking then the computer will retard the timing thinking that it is pinging and you can lose well over 50% power. sometimes the sensor picks up other vibrations and creates timing problems even if the engine itself is not at fault.

Mar 25, 2013 | Cars & Trucks

1 Answer

What is PO 330 Knock 2 # 2 code is in my 99 lexus rx300 truck


P0330 = "knock sensor no.2 circuit malfunction (bank 2)." This sensor is on the bank of cylinders which contain cylinder No.2. Either the sensor is bad or the wiring to the sensor is bad. The knock sensor detects when pre-ignition (pinging or knocking) is occurring and tells the computer. The computer then retards the ignition timing to prevent engine damage.

Feb 09, 2011 | Lexus RX 300 Cars & Trucks

3 Answers

Not shifting into overdrive and check engine light


I'm not a lexus guy , but I'm thinking that you have a vacuum leak somewhere.

Nov 06, 2009 | 1999 Lexus RX 300

2 Answers

93 Lexus GS300 knock sensor electrical wiring?


Knock sensors are small, metal objects that detect prignition be fore it happens and cut fuel to the motor for a split second the keep it from destroying itself. (very important on turbocharged cars=melted pistons can result)
The leads are attached to the engine harness. Unscrew your bad sensor, put some teflon tape or paste on your new sensor and install by hand, then tighten with the correct wrench. Plug in the harness plug.

Aug 31, 2009 | 1993 Lexus GS

2 Answers

92 lexus es300 knock sensor


Need to remove the upper and lower air intake manifold.  There are two knock sensors for the front and rear pistons banks.  If you plan to do this yourself it is about 1 to 2 hours.  While you are at it, there is a short coolant bypass hose sitting in the same spot, replace it.  Another problem with the knock sensor is the wire harness used to connect the two knock sensors into one connection sometimes wears out and contacts the metal on the engine causing false signals to the ECM, so replace this cable also.
Just did this last summer on my 99 ES300.  Pretty easy.
DIYr

Mar 01, 2009 | 1999 Lexus ES 300

1 Answer

My lex


knock sensor needs replace

Nov 08, 2008 | 1999 Lexus RX 300

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