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  #1  
Old 03-26-2010, 03:32 PM
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Exclamation Knock Sensor Bank 2 Location??? Jag. X-type 3.0L

Car is running a little funny, ran a code reader and im getting a Knock sensor bank 2 code.. So where the heck is this knock sensor # 2 ?????

I thought there was only one in the middle of the block under the injectors???
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Old 03-26-2010, 04:16 PM
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and it seems i cant get the RPM over 3K, I also notice my idle going up & down. I rest the codes, started the car back up and now im getting the same code (knock sensor bank 2 low input) and a mis fire # 5.. whats going on!!! shoud i drive this car down to a used car lot and pick me up a BMW??
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Old 03-26-2010, 08:52 PM
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Vince, the knock sensor is located on top of the engine, but underneath the intake. So, you will need to remove the intake so you can access the very top of the block. The JTIS also talks about having to remove the fuel rail and disconnect a coolant hose (ie, you will also have to drain the coolant system) to access the knock sensor. Doesn't sound hard, just a lot of stuff in the way before you can access the sensor.
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Old 03-27-2010, 11:35 AM
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Quote:
Originally Posted by Thermo View Post
Vince, the knock sensor is located on top of the engine, but underneath the intake. So, you will need to remove the intake so you can access the very top of the block. The JTIS also talks about having to remove the fuel rail and disconnect a coolant hose (ie, you will also have to drain the coolant system) to access the knock sensor. Doesn't sound hard, just a lot of stuff in the way before you can access the sensor.

My knock senor code might be due to a bad coil on # 5 cyl., I swapped coils from #5 to #2 cyl. and now my codes are pulling a mis fire on # 2 so it is a bad coil.

Will change and see if the knock sensor code goes away for good after a reset.
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Old 03-28-2010, 08:16 AM
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Don't worry about knock sensor #2 or bank 2. As said, there is only one knock sensor on the AJV6, but standard OBD II P codes for all cars give a placeholder in the P code list for 2 knock sensors as a lot of engines use two. The AJV6 engine management system is programmed to use bank 2 as the default reporting code for THE knock sensor.

This is just a theory, but if you have a very dead ingition coil on the #5 (that you moved to #2), this might have caused a missfire enough for the knock sensor to have detected a knock, but enough out of the range the knock sensor could reset engine timing, which the ECM read as a knock sensor out of range too.

I'd replace the coil, of course, then erase the codes and see if the knock sensor resets. They do go bad on AJV6s. I've seen a few now that they're getting higher mileage.
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Old 11-01-2010, 11:49 AM
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Knock Sensor Control
The knock sensor control utilizes two sensors mounted directly onto the engine block. The objective is to limit the timing adjustment to the cylinders where knock is actually occurring, while allowing the others to continue operating normally.
One is under the intake manifold, the other is on the rear left side of the engine looking from the front attatched to the block
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Old 11-01-2010, 05:25 PM
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Quote:
Originally Posted by Brogi View Post
Knock Sensor Control
The knock sensor control utilizes two sensors mounted directly onto the engine block. The objective is to limit the timing adjustment to the cylinders where knock is actually occurring, while allowing the others to continue operating normally.
One is under the intake manifold, the other is on the rear left side of the engine looking from the front attatched to the block
Brogi,

Are you sure - we're talking about a NA 2.5/3.0 Gasoline engine, not a diesel. I've had both early and late MYs completely apart and only one KS sensor. I have experience with NA configurations, not Europe and we don't get diesels here, but I'm assuming that the diesel might be your reference to a second knock sensor. The other possibility is the AJV6 variation in the S-Type. It uses a left/right, but more like an upper left lower right knock sensor config. They OBD out under the standard P0327/8 P0332/3 protocols, but the LH is really under the intake manifold in a config similar to the X variation. But, all NA X variations only use the P0332/3 protocol for one sensor.

Last edited by steve11; 11-01-2010 at 07:18 PM.
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Old 11-02-2010, 04:21 AM
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Sorry Steve11, You are correct, it is the S-type that has 2 sensors, my mistake, thought this thread refered to s-type.
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Old 11-02-2010, 06:00 AM
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No problem Brogi - Just wanted to make sure I hadn't lost my mind...which I do occasionally!

Welcome to the forums BTW. Good to have your technical expertise on board. In only a couple of posts I can tell you know your stuff.

All the best,

Last edited by steve11; 11-02-2010 at 06:03 AM.
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Old 11-25-2011, 08:43 AM
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Default same issue

i'm curious did this fix the issue? My 03 3.0 is throwing the same code P0322 Knock Sensor Bank 2 low Input. the car is acting very wierd. sometimes and not all the time at WOT or a high RPM shift it just bogs right down and acts like it's misfiring.

It also threw code C15AA which I'M guessing may be the DSC fault code? Everything i can find on this code says it's a manufactures specific code.

has anyone else had this problem? any help is greatly appreciated.

Kirk
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Old 06-23-2012, 12:44 PM
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Default v8 misfire problems

i could realy do with a bit of advice i have a 1998 jaguar xj8 soveriegn in the past six months i have had a few of problems it runs great when it is cold but once it gets warm it starts to have a misfire i put the odb2 computer on it which told me to replace the flowing a coil pack, four spark plugs a o2 sensor which is all on the o/s bank and now i have just replaced the coolant temp sensor i took the car for its mot and it failed on emissions the hydro carbon where through the roof. i would be greatfull if anyone would be able to help with my siuation.
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Old 06-23-2012, 12:44 PM
 
 
 
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02, 2000, 30, 30l, bank, code, jag, jaguar, knock, location, sensor, stype, type, xj8, xtype



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