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S-Type 2003 3.0 Big Question

  #21  
Old 01-10-2019, 05:05 PM
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If memory serves, I believe it does up until 2005 MY.
 
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  #22  
Old 01-10-2019, 07:51 PM
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I believe up to the US 2003 MY has the lower elbow, 2003 onwards does not have the lower intake vacuum elbow.
 
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  #23  
Old 01-14-2019, 01:59 PM
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I got new codes in DTC, there are p0430 and p0455, what can it mean? Norri NBCat What should i check and looking for with this codes
 
  #24  
Old 01-14-2019, 03:59 PM
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DTC P0430 refers to the Bank 2 catalyst, which usually indicates damage due to repeated misfiring on that bank of cylinders. In my experience, when P0420 or P0430 are present, the catalyst for that respective bank must be replaced once the misfire condition has been corrected.

DTC P0455 can be caused by a broken pipe or loose connection. Might also be simply caused by the fuel tank cap not being fully tightened or the seal on the cap being faulty.
 
  #25  
Old 01-19-2019, 06:43 AM
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Default 2003 s type 3.0 big question

is it working fine? It happens when has pedal is maximum range
https://streamable.com/tljli
 

Last edited by trycons; 01-19-2019 at 06:46 AM.
  #26  
Old 01-19-2019, 09:27 AM
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Perhaps the throttle body is just keeping time to the music.

Are you noticing any problems while driving? Any fault codes? What led you to observe the throttle plate while flooring the gas pedal? In other words, is there more to the story?

Try this calibration procedure and see if it helps:

https://www.jaguarforums.com/forum/s...ection-176446/


I wouldn't especially worry about such behavior with the engine off. Doesn't seem right, but at the same time, you're putting the system in an abnormal scenario of key on but engine off and then holding the gas pedal all the way down. The true test is how it behaves under normal conditions.
 
  #27  
Old 01-19-2019, 09:56 AM
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+1
Unless there's a fault of some sort what is the point of the video?
If there is a fault - what is it?
 
  #28  
Old 01-19-2019, 10:12 AM
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https://www.jaguarforums.com/forum/s...-3-0-a-212631/

This is my problem on this video. It cant accelerate well.
 
  #29  
Old 01-19-2019, 10:25 AM
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So a new thread but the same problems? Not great,

You left that other thread hanging with codes - what did you do to fix them?

Also with parts which were or were not fitted?

Have you now got P1111 or if not which monitors are not complete?

What do fuel trims show?
 
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  #30  
Old 01-19-2019, 11:37 AM
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Hi trycons,

I have merged your new thread with your old thread. Please do not start any new threads on this same issue. It is most helpful to have all of the information and previous posts in the same thread to avoid confusion and duplicate effort on the part of other members who want to help.

Cheers,

Don
 
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  #31  
Old 01-19-2019, 12:45 PM
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Originally Posted by trycons View Post
It cant accelerate well.
Ah, now we are getting somewhere.

As JagV8 has suggested, what are the fuel trims?

Also, I would recommend checking the fuel pressure. This requires two things:

1) First, what does your scanner shows for fuel pressure?

2) There is no guarantee the scanner value is accurate, so please also connect a mechanical test gauge to the injector rail. This second step is very important, in case the pressure sensor is feeding bad information to the computer. In that situation, the poor computer may be responding as programmed to what seems like a good value.
 
  #32  
Old 01-20-2019, 10:42 AM
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1) Fuel pressure is about 378 kPa
2) Same about 378 kPa
 
  #33  
Old 01-20-2019, 01:05 PM
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Are you sure you don't have a plugged catalytic converter?
You can remove the O2 sensors and start and drive the car a bit to check.
.
.
.
 
  #34  
Old 01-20-2019, 01:55 PM
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Im sure i dont have converter, without o2 sensors is same, i think it can be this throttle problem on video but its only my thinking
 
  #35  
Old 01-20-2019, 02:05 PM
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As I asked...

You left the thread hanging with codes - what did you do to fix them?

Also with parts which were or were not fitted?

Have you now got P1111 or if not which monitors are not complete?

BTW it can be thousands of things so guessing tends to be very wasteful.
 
  #36  
Old 01-20-2019, 04:54 PM
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Have you done the plug, coil, manifold gasket replacement? If so what codes are showing now, if not what's the plan?
 
  #37  
Old 01-20-2019, 05:08 PM
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Originally Posted by trycons View Post
1) Fuel pressure is about 378 kPa
2) Same about 378 kPa
Thanks for humoring me and checking the fuel pressure.

One more thought on those same lines. Was that reading taken at idle? Maybe try watching the scanner while trying to accelerate, when the fault is active. Just a thought, free to check. Perhaps the fuel flow is partially restricted. You can get normal pressure when demand is low (idle or coasting, for example), but it drops off during high demand.
 
  #38  
Old 01-21-2019, 06:15 AM
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I change gaskets. Vacuum Jose coils sparks plugs and i got Just p1000 code
 
  #39  
Old 01-21-2019, 06:24 AM
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With P1000 you know one or more OBD monitors is unhappy (unset) - which ones?

Still need the fuel trims!

I am bored asking the same things time after time.
 
  #40  
Old 01-21-2019, 12:40 PM
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Fuel trims on idle or? Im not specialist in computer diagnostic
 

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