Question about 1996 Jaguar Xj Series

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Check engine light came on

Results at a local Auto Zone says it could be the knock sensor or low fuel pressure cannot find a repair manual for out 96 XJ6 so we cannot locate where the knock sensor is can you help

Posted by chows1956 on


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It's possible that you didn't close your gas cap tight enough. You can take it to a Jiffy Lube, they have a machine that can tell you what's wrong.

Posted on Mar 30, 2009


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1 Answer

I replaced my knock sensor but my check engine light came back on what else can I check. The. Code still says it's my knock sensor

What type of. vehicle? The knock sensor may be functioning properly and is picking up a knock from the vehicles engine. Sometimes a low grade of fuel can cause the engine to ping resulting in a knock sensor code. Is there any abnormal noises being produced from the engine or bolt on accessories?

Apr 05, 2015 | Cars & Trucks

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There are several things that could be wrong. The problem with an Auto Zone scanner is that it's just a code reader. You'll need to troubleshoot the engine. Start by looking for a vacuum leak. Are the fuel and air filters clean? How about plugs and wires?

Apr 16, 2014 | 1999 Saturn SL

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Stalls won,t idle no check engine light does this intermitently ?????? 96 grand am

This is normally caused from a couple areas. Number one a partially clogged fuel filter ( replace) sometimes a real bad air filter ( replace) and more often cause from a 02 sensor, which is part of your emissions, and sense there are several, the one to look at is the one following the Cadillac converter.Sometimes on fuel filter issues and also sensors don't always trigger the engine light to come on. Best thing, is if you take it to like auto zone for fast computer check (they normally do for free) or reputable local service shop, they can test your sensors. My guess it is going to be a 02 sensor that is faulty. I hope this helps mike.


Aug 10, 2011 | 1996 Pontiac Grand Am

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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.

- 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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1 Answer

What does it mean when your bank 1 n bank 2 are running lean

A lean bank 1 and 2 is indicating there is not enough fuel being injected to support proper combustion.
Leading causes can include but are not limited to......
1) low fuel pressure or plugged fuel filter.
2) vacuum leak causing lean condition.
3) air intake hose or crank case not sealed properly and bypassing the MAF sensor or the MAF sensor element is dirty.
4) wrong fuel or poor quality fuel used.
Hope this helps. If the Service Engine Soon light is illuminated, there will be fault codes associated the light. Get the vehicle scanned for free at your local Auto Zone or Advanced Auto and report back.

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1 Answer

Service soon light stays on.. had it checked at auto zone and came up with po327 knock sensor condition. Is this gona be an expensive car repair?

no, 30 minutes labor--you can do it yourself. part is $30. You have 2 of them. 327 is for bank 1, which is the back bank by the firewall. see picture below (the picture is bank 2, but location is same on other side).

To replace the knock sensor:
  • Disconnect the knock sensor wiring connector.
  • Then, unscrew the sensor.
  • Remove the knock sensor.
  • Reverse the procedures to install the part.
  • fed2730.gif
      A defective knock sensor may cause engine detonation or reduced spark advance and fuel economy. When a knock sensor is removed and replaced, the sensor must be tightened to its specified torque. If the knock sensor is installed tighter than it should be, it may become too sensitive and provide an excessively high voltage signal, resulting in more spark ****** than required. When the knock sensor is installed looser than it should be, the knock sensor signal will be lower than normal, resulting in engine detonation.

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    Will fuel regulator cause 2001 grand am 2.4 cyclinder run ruff with a slight engine knock at idle. And cause engine to shut off at hight speed.

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    Hello fellow Texan!

    AutoZone should have gotten more than 1 code for this problem. The problem could be any number of things from knock sensor to O2 sensors. More information is needed.

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