XJ XJ8 / XJR ( X308 ) 1997 - 2003

02 jag xj8 jack stand points

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Old Apr 17, 2020 | 07:53 PM
  #321  
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Originally Posted by Highhorse
WHAT?....you didn't ask to have Mint Sauce help you...
Our neighbors have goats, and we have a adjoining gate and let them in to help at times (the goats, not the neighbors!), but they get picky about exactly what grass to eat (again, the goats, not the neighbors) and I end up mowing in the end anyway!
 
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Old Apr 18, 2020 | 10:04 AM
  #322  
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Good morning Crazies.

About to play with this pita again..
Can you tell is these 2 line from the expansion tank is right or do they crisscross like I've seen on some diagrams? The way they are now is how it was originally.






or should they go on like this?


CK is busy cutting grass and I'm still getting snow! Poor CK...
I been tuning my grass cutters...

 
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Old Apr 18, 2020 | 12:05 PM
  #323  
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Originally Posted by Mrjay622
Can you tell is these 2 line from the expansion tank is right or do they crisscross like I've seen on some diagrams? The way they are now is how it was originally
They should criss-cross, as in your second picture............... like this :







 

Last edited by Carnival Kid; Apr 18, 2020 at 12:16 PM.
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Old Apr 18, 2020 | 12:21 PM
  #324  
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Ok i got them that way now... thanks...
Still having a problem with this line blowing off.



nothing for the hose to grip. .. I sanded it just a little may try a little sealant next..


it's was getting a low coolant warning, the sensor float was full muck... working now.
 
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Old Apr 18, 2020 | 12:29 PM
  #325  
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Ok i got them that way now... thanks...
Still having a problem with this line blowing off.



nothing for the hose to grip. .. I sanded it just a little may try a little sealant next..


it's was getting a low coolant warning, the sensor float was full muck... working now.
 
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Old Apr 18, 2020 | 12:33 PM
  #326  
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Gezzz CK. Your engine looks Great!
Mine looks like it's been parked in a lake!
Very nice.....
 
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Old Apr 18, 2020 | 01:28 PM
  #327  
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Originally Posted by Mrjay622
Gezzz CK. Your engine looks Great!
Thank you MrJ.................... when I'm not mowing, I'm cleaning under the hood!


 
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Old Apr 18, 2020 | 01:42 PM
  #328  
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I remember when I use to do that....lol
I'm down to 2 trouble codes knock sensor bank 1. ( passenger side) correct? And reduce performance.
it's got a knock like a coil isn't firing, my old innova 3100 or Autel MS 906 BT DO NOT Have the ability to read live data for spark/coils.on this car... Or I don't know how to use them.
no codes for a bad coil.
 

Last edited by Mrjay622; Apr 18, 2020 at 01:48 PM.
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Old Apr 18, 2020 | 02:03 PM
  #329  
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A failed knock sensor will give you the reduced performance message.

How is the car running? Is it running smoothly, or do you detect a misfire or rough running at idle and/or lower rpms?

If the car seems to be running okay and you don't suspect a faulty coil or fuel injector etc, etc, I would suspect that you do need to replace the knock sensor. A failed knock sensor produces the restricted performance message and restricts the rpms to below 3,000, but the motor should run fine at idle/low rpms
 
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Old Apr 18, 2020 | 02:15 PM
  #330  
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It's running like it's got a dead /bad coil...
idle came down 675 RPM before it was around 1200/1400...
Would of been easy on the driver's side to unplug coils one at a time....
 
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Old Apr 18, 2020 | 02:44 PM
  #331  
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Here is a prior forum thread that may help............
https://www.jaguarforums.com/forum/x...misfire-45754/

What misfire codes are you getting......if any?
 
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Old Apr 18, 2020 | 02:52 PM
  #332  
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So far I'm not getting a code for misfire, just knock sensor bank 1 . But it feels like one cylinder isn't firing, has that roughness, that feel,sound.
 
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Old Apr 18, 2020 | 03:10 PM
  #333  
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Going to disconnect the maf sensor and duct work hopefully she'll run and start unplugging coils one at a time...
 
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Old Apr 18, 2020 | 04:18 PM
  #334  
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Hmmm, don't think it will like the MAF sensor being disconnected........will be interesting to see how it goes.
 
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Old Apr 18, 2020 | 04:25 PM
  #335  
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No it didn't like it... but it ran...
disconnected one coil at a time each made the car run worse.
I then metered out the knock sensors bank one sensor is shorted to ground both legs..
Do you know if a bad knock sensor will cause it to run rough /funky?
next I guess I can pull the plugs and take a peek.. ?
 
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Old Apr 18, 2020 | 04:27 PM
  #336  
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If you like Starbucks I'm putting up a fresh pot,
I leave a light on for you...
 
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Old Apr 18, 2020 | 04:30 PM
  #337  
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Ok found this....
faulty knock sensor can result in a loss of power. ... You start noticing poor fuel economy: Ignition timing that is overly retarded can affect engine performance
 
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Old Apr 18, 2020 | 04:56 PM
  #338  
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Assuming the 4 plugs on the driver's side are known to be okay, how about swapping them with the passenger side, hopefully the misfire will now be on the driver side, and you can start the car with the intake tubing and MAF sensor connected and disconnect each plug on the driver's side in turn?
 
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Old Apr 18, 2020 | 05:00 PM
  #339  
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Plugs are new , So far drivers side are clean and dry... not coated with oil or fuel.gap is good also
Just put it back together. Coffee time...
From the meter reading im getting I got to think the knock sensor is gone bye byes.

I can't text without my glasses !! Grrrrr
 

Last edited by Mrjay622; Apr 18, 2020 at 05:05 PM.
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Old Apr 18, 2020 | 05:03 PM
  #340  
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Ah, too late.......................I guess the problem is the knock sensor??????

Rock auto has them for $67 bucks, which is a pretty good deal these days.
https://www.rockauto.com/en/moreinfo...40757&jsn=2165

 
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