XJ XJ6 / XJR6 ( X300 ) 1995-1997

Our Latest Error Codes.

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  #61  
Old 04-04-2019, 11:39 AM
Lady Penelope's Avatar
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Spark plugs :

There was a TSB that started this change to the cheap copper old school Champion RC9YC then to the hotter RC12 YC off the top of my head - no exotics

its a 14 mm plug and don't forget the copper anti seize in the small packets at the register

http://www.jagrepair.com/images/TSB/...6%20Engine.pdf

This pic is for bringing power into the 87 socket , but a 30 to 87 jumper works as well , recommend good current carrying connection with a blade type connector

 

Last edited by Lady Penelope; 04-04-2019 at 12:19 PM.
  #62  
Old 04-05-2019, 10:02 AM
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Thanks again Lady P. We'll be investigating further this weekend. Have made a jumper with male terminals for testing.

Bobby
 
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  #63  
Old 04-07-2019, 03:51 PM
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Hi all, so we managed to find the issue. And in this case it was self inflicted. It turned out to be a bad coil. I replaced them with QYL's when my son originally bought the car last year. When we last re installed the coils, we accidentally installed two of the original coils. One of them must be bad. We replaced those with the remaining QYL's and it's back to running as it did before this all started. Running very rich. But running. Thanks all for the assistance. I've made mental notes on all the tips and tricks you've brought up, as I don't think we'll ever be done repairing this car. It still needs a lot of TLC. I have some more questions, but I'll start a new thread, since the original problems (error codes) are gone for now.

Thanks again!

Bobby
 
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  #64  
Old 04-07-2019, 06:12 PM
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My car ran rich (as shown by the LTFTs) and after throwing everything I could at it, I found it was the TPS, which is stupidly expensive. The old TPS tested well on the bench, but the proof is in the pudding, my LTFTs have been at zero ever since.
 
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