Question about 1995 Honda Civic

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Engine knock - 1995 Honda Civic

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Most likey it a worn or damaged bearing on the crank assembly.If it u ran with low oil,its most likey that.If the cars running the same when in gear or parked ,idle or ful throttle...You better hope the shaft aint bent,otherwise you can just replace the bearings your self. Good luck!!!

Posted on Aug 12, 2008

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Code p0325


P0325 Knock Sensor 1 Circuit Malfunction
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.
Symptoms You may notice drivability problems including a lack of power and perhaps some hesitation. There may also be other symptoms.
Causes A code P0325 most likely means one or more of the following has happened:
  • The knock sensor is faulty and needs to be replaced
  • There is a wiring short/fault in the knock sensor circuit

Nov 20, 2016 | Cars & Trucks

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Knock sensor for 2007 Saturn outlook. I can't pass emissions test!


Check engine light on ? What code ? There are many different (DTC'S) - diagnostic trouble codes that can set for knock sensors ! There all don't mean that you replace the sensor .
DTC P0324: Knock Sensor (KS) Module Performance
DTC P0325: Knock Sensor (KS) Circuit Bank 1
DTC P0326: Knock Sensor (KS) Performance
DTC P0327: Knock Sensor (KS) Circuit Low Bank 1
DTC P0328: Knock Sensor (KS) Circuit High Bank 1
DTC P0330: Knock Sensor (KS) Circuit Bank 2
DTC P0332: Knock Sensor (KS) Circuit Low Bank 2
DTC P0333: Knock Sensor (KS) Circuit High Bank 2

The knock sensor (KS) system enables the control module to control the ignition timing for the best possible performance while protecting the engine from potentially damaging levels of detonation. The sensors are located below each cylinder head on the engine block. The KS produces an AC voltage signal that varies depending on the vibration level during engine operation. The control module adjusts the spark timing based on the amplitude and the frequency of the KS signal. The control module receives the KS signal through 2 isolated signal circuits. The control module learns a minimum KS noise level at idle and uses calibrated values for the rest of the RPM range. The control module should monitor a normal KS signal within the noise channel.
Knock Sensor Replacement - Bank 1
Remove the exhaust manifold lower heat shield. Refer to Exhaust Manifold Lower Heat Shield Replacement.
Disconnect the engine wiring harness electrical connector (1) from the bank 1 knock sensor (2).
Loosen the knock sensor bolt and remove the knock sensor.
Knock Sensor Replacement - Bank 2
Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement .
Lower the vehicle.
Disconnect the engine wiring harness electrical connector (2) from the bank 2 knock sensor (3).
Loosen the knock sensor bolt and remove the knock sensor.

Nov 12, 2016 | Saturn Cars & Trucks

2 Answers

What is the knock sensor function for


the knock sensor adjusts the timing, advances/retards the in case the engine : knocks , retards or diesels

Jan 09, 2015 | Cars & Trucks

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My Infiniti Q45 Has a knock sensout that is out..Left bank. Would this cause my engine to have a loud knocking sound? Sometimes it knocks and other times it's quiet. I took it to a mechanic and he t


I would go with the engine being bad.
A knock sensor only sends a signal to the engine computer when there is a vibration or noise like a spark knock. The computer then adjusts spark timing to compensate.
If the engine is knocking such as a bearing knock, the sensor will be activated.

Jan 31, 2014 | Infiniti Cars & Trucks

1 Answer

I have a code p0325 knock sensor 1, circuit bank 1 or single sensor problem


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.

Symptoms: You may notice drivability problems including a lack of power and perhaps some hesitation. There may also be other symptoms.

Causes: A code P0325 most likely means one or more of the following has happened:
* The knock sensor is faulty and needs to be replaced
* There is a wiring short/fault in the knock sensor circuit

Possible Solutions
* Check the resistance of the knock sensor (compare it to factory specs)
* Check for broken/frayed wires leading to the sensor
* Replace the knock sensor


Test it and tell us news.

Mar 15, 2011 | 1999 Nissan Maxima

1 Answer

Code p0325


P0325 OBD-II Trouble Code

Technical Description: 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.

Hope this helps.

Feb 09, 2011 | 2004 Dodge Stratus

1 Answer

Location of knock sensor on a 1998 Saturn 4 cylinder


A knock sensor is threaded into the engine block and is supposed to sense when the engine starts to ping or spark knock and reduces the ignition timing accordingly.The knock sensor is located on the side of the engine.
  • Turn the ignition OFF.
  • Raise the vehicle.
  • Disconnect the knock sensor harness connector.
  • Remove the knock sensor attachment bolt and the knock sensor.

  • Important: The larger metal contact area of the knock sensor MUST be toward the engine block. DTC P0327 may result if the sensor is installed backwards.

  • Install the knock sensor and attachment bolt with the larger metal contact area toward the engine block.

  • Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

  • Sep 22, 2010 | 1998 Saturn SL

    2 Answers

    Service engine light


    Your not going to here any knock from the engine the knock sensor detects detonation which is not detectable with the human ear. if you want to test the knock sensor you can tap the side of the block the engine should stumble for a couple of seconds if it does not change then the way the engine runs then the knock sensor is defective or hase buildup iside the engine and you will need to do a top engine clean. if you want instructions on how to do this just post another post to this reply This happens on engines that ave high mileage or acar that runs low grade like regular.

    Apr 16, 2010 | 2004 Mini Cooper

    1 Answer

    ENGINE KNOCKS


    When you say engine knocks ..what type of knocks//where does the knocks come from top of engine like atapping/ knocking from the bottom of engine a harsh knock/ does it sound like it comes with 1 piston up on TDC or BDC or more than one knock per 1 RPM /AND whats the condition of the oil at the moment / and what engine have you got in it.
    Let me know how you get on ASAP Ron

    Nov 04, 2009 | 2000 Ford Expedition

    2 Answers

    Engine knock


    2002 KIa Senoda engine. If an engine is knocking it can be that the engine has low idle in fuel pump.because of some reasons that only less gas can enter the engine. that is why you have to adjust the fuel idle until the engine will not knock .

    Mar 03, 2009 | 2002 Kia Sedona

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