Question about 2005 Toyota Camry Solara

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2005 Toyota Camry - knock sensor

My car's check engine light has turned on and the car is sluggish going up hills. I got the DTC code checked and it indicates a problem with bank1 of the knock sensor (code P0328). I like to try to fix things myself if possible. How easy/hard is it to change the knock sensor on a 2005 Camry (4cyl)? Where is it located? Is it possible some other cause is causing the knock sensor problems? Thank you for any information you can give me.

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  • yadayada
    yadayada May 11, 2010

    It may not be the sensor, it can be the wiring to it or the PCM or the engine has a problem.



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Your sensor went off because it overknocked.
Try using a different type of fuel with a higher octane.
Erase the code and use the better gas. if it comes back then we will worry about replacing it.

Posted on Apr 14, 2010


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I have toyota camry 2005 its tachometer gauge is not working and over speed light is on

did you check fuse yet.
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scan it first and wonder 2nd. always.

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1995 toyota camry check engine light code po325 & PO330 (KNOCK SENSORS) I replaced them both and still same code came back right away

You now know the sensor is seldom the problem when these codes appear. The sensors measure vibration in the engine that resembles a spark knock. When the signal hits the computer the computer turns back the ignition timing to try to prevent it.
The sensor can pick up a valve tick or piston vibration and not be able to tell the difference.
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I read the check engin light on my 1993 toyota camry le and it gave me to codes: DTC:14 and DTC:26... What could be wrong with my car?

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Jan 15, 2012 | 1993 Toyota Camry V6

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2004 Toyota Camry - Check engine light has been coming on intermittently for a year. When reading the codes it states Knock Sensor and O2 Sensor Bank 1. The car is very sluggish when the light comes on....

I would tend to say the knock sensor is a result of the 02 sensor, because if it is not reading correctly it could be reporting the engine is running to rich, there for leaning out the air fuel mixture resulting in knocking which is then picked up by the knock sensor. I would start by replacing the O2 sensor in bank 1.

Sep 08, 2011 | 2005 Toyota Camry Solara

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Toyota Camry Knock Sensor Problem The top of the radiator on my 1993 3.0 lt Toyota Camry V6, 3VZ FE engine split some months back and it overheated. I have since sorted out the head gaskets and it seems to...

Hello. You have posted an excellent question.

The code 55 you are getting, in Toyota terms, as as follows:

"No number one knock sensor signal to the ECU fo four crank revulutions under these 2 conditions: Coolant temperature 140 degrees F or more; Engine speed between 1600 and 5200 RPM."

This indicates a failed (or a loose) knock sensor on the Right Bank of the engine. Since the knock sensor is basically a piezo-electric crystal, not continuity test can be performed with the intake manifold installed.

You can check the continuity form the Knock Sensor wires to the ECM, but, this may not prove useful to you.

Unfortunately, you are going to have to pull the intake, and check the knock sensor wiring integrity. If the connector is good, and the sensor is tight, I would suggest replacing the sensor. Actually, if you were in my shop, I would suggest replacing them both, as the whole intake will have to come off if the other sensor fails. Better to replace them both at once, than to pull the intake again.

We here at FixYa hope that this helps you out, and saves you some future reoair dollars. Thanks for choosing FixYa for advice.

Jan 08, 2010 | 1993 Toyota Camry V6

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94 Camry was running fine, suddenly became sluggish

How did you try to obtain the codes? Did you short pins E1 and Te1 in the grey connector under the hood?

When the light comes back on, short the above pins, and get back to us.

Without seeing the codes, I would venbture a guess that you first consider a good tune-up, and use Toyota plugs only. Any other manufacturer will not work very well. I see this every day, new plugs, and the engine runs poor. Toyota plugs fixes it right up. The heat ranges are diffferent in Toyota plugs.

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1993 Camry Check Engine Light

Therre is no DTC code "5". The DTCs start at 12. If the knock sensor (there are actually 2) was bad, you would have an acceleration issue. The knock sensor changes the timing of the spark to eliminate detonation, or "pinging". Do you have a "Ping" condition/valve rattle on acceleration?
To reset the light, open the hood, remove the 15 amp EFI fuse for 5 minutes. Replace it, and start the car and drive it until it reaches operating temperature. If the light comes back on instantly, you have a bad sensor or a bad wire.

Nov 09, 2008 | 1993 Toyota Camry V6

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