X-Type ( X400 ) 2001 - 2009
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2003 xtype stuttering

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  #1  
Old 07-03-2018, 12:36 PM
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Default 2003 xtype stuttering

When I drive my car it’s will sometimes starter or jerk a bit when I hit 2000 rpm and about 50 to 70 km. I get the code p0430 every 500 to 1000 km I’ve already changed my calytic converter bank 2 and my oxygen sensor bank 2 sensor 1. What could be causing this and what should be my next move?




 
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Old 07-08-2018, 12:40 PM
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Default Vacuum leak

Check all hoses for vacuum leak
 
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Old 07-08-2018, 01:17 PM
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Braydon: In addition to dr dome's advice to check for vacuum leaks (the big 3 are the PCV hose, the check valve in the brake booster vacuum line, and the IMT valve O-rings), try replacing the bank 2 (radiator side) downstream oxygen sensor.

If I understand correctly, you already replaced the bank 2 catalytic converter and upstream oxygen sensor, correct?

Downstream oxygen sensors monitor the catalytic converters to confirm they're working properly. So the problem may be a faulty reading from the downstream sensor.

Downstream sensors that fit our X-Types are Bosch15936, Denso 234-4798, NTK 25607.

Pictures of the locations of all 4 oxygen sensors are in this post: https://www.jaguarforums.com/forum/x...4/#post1084601
 
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Old 07-08-2018, 04:56 PM
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I had these symptoms with my 3.0 auto.

Ran a tank of Super through it along with some Forte petrol injector cleaner and all has been well since.

 
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