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I had my 2001 gmc Sierra ext. Cab 4.8 litre computer scanned and it came up with: po330 knock sensor bank 2 low voltage

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Try changing your spark plug wires.

Posted on Jul 11, 2010

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Posted on Jan 02, 2017

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Po330 code in a ford f150 pickup


P0330 is a powertrain report code explained as "Knock sensor 2 circuit malfunction-bank 2".
Check the knock sensor connections. If OK check the sensor itself.

Oct 23, 2011 | 2004 Ford F150

1 Answer

How do you change a knock sensors on my 2001 gmc 1500hd


Changing knock sensors on 2001 GMC 1500hd
1. Remove the intake manifold.
2. There are 2 sensors located on a plate under the intake manifold. These are the knock sensors.
3. Remove the wiring harness assembly from the knock sensor.
4. Install the new rear bank knock sensor and tighten to 15 lb ft.

If you find that this is information was helpfulto you, please rate me and leave a comment as this will encourage me to do morefree work for you and others. And please let me know if there's anything else Icould help you with. Without any inputswe cannot proceed assisting... Thank you for using FIXYA! Best regards,
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Sep 14, 2011 | 2001 GMC Sierra 1500HD

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We understand that your problem is: We have a 1997 GMC Safari 4.3 Litre 2 wheel drive. Stalls when idleing. Sputters when accelerating at speeds around 70-90 kms. Gas consumption has risen dramatically....


Welcome to the world of improper diagnostics. There isn't a trouble code in the world that says you should replace a part. It only tells you what's going on with that component. In your case, the code P0137 means that the computer sees Low Voltage on the Bank I Sensor 2 oxygen sensor. You replaced the sensor and still have the problem. That means the computer sees Low Voltage on the Bank I Sensor 2 oxygen sensor. In other words, you've got a wiring problem, not a part problem. You'll need a shop manual with step by step instructions on how to test the entire circuit to find the fault.

Jul 27, 2017 | 1997 GMC Safari

1 Answer

Service engine light on. Problem identified as P0332 Knock Sensor 2 Circut Low Input Bank 2


P0332 GM

Knock sensor circuit low voltage bank 2
- The ECM detects a KS signal voltage that is less than typical engine noise level for at least 4 seconds

Probable Cause[s]

  1. Open or short circuit condition
  2. Poor electrical connection
  3. Knock sensor
  4. ECM fault

Mar 13, 2011 | 2003 Chevrolet TrailBlazer

1 Answer

I have a 04' Chev, 6.0L. Engine light came on, fault code came up PO332. I'm afraid the KS's are under the intake. Is there any way to test the KS to see if it is bad, or is there another problem that is...


P0332 - Knock Sensor 2 Circuit Low Input (Bank 2)

The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the Powertrain Control Module (PCM) or Engine Control Module (ECM).

Causes for P0332 DTC:
- Knock sensor circuit short to GND.
- Knock sensor circuit short to PWR.
- Knock sensor circuit open.
- Damaged knock sensor.
- PCM or ECM failure.

Solutions:
- Repair or resecure the harness or connector.
- Replace the knock sensor.

Your best bet is to just replace the knock sensor for sensor 2 bank 2. Call Auto Zone with part number SU1282 this is the OEM replacement.

The knock sensor looks like this:

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Mar 09, 2011 | 2004 Chevrolet Silverado 2500 Crew Cab

1 Answer

1999 GMC Sierra 5.3L knocking sound around Catalytic Conerters? ?


on my gmc i have 2 knock sensors and im not possitive if you have two or not under your intake mani but when i replaced both mine i got the same code of low input so i took the small needle out and wire brushed it clean and also traced and ran a new wire just to be safe and that solved my problem. as for bank 1,2 if it helps any my bank one is located engine side driverside and bank2 is engine side passenger side and 3 and 4 are underneath bed side. but you can see the sensors if you look real close near the headers. hope this helps
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Jun 27, 2009 | 2003 GMC Sierra 1500

2 Answers

Code P0157 and P0137


Hi P0157 is
02 sensor circuit low voltage bank 2 sensor 1

P0137
02 sensor circuit low voltage bank 1 sensor 2

May 06, 2009 | 2000 GMC New Sierra 1500

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