2005 XJ VDP With engine coolant temp sensor help needed
#1
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Hi everyone excited to find this group! I am the owner of a 2005 XJ VDP in 100K miles and she is amazing. However……. I am getting a coolant temp sensor error, intermittently mostly pops when driving on freeway and it will put car in limp mode. Let me start with the car is not hot however the gage goes full hot and you can pull over turn key off remove key reinsert key start and she will be fine again and back to normal…. To be safe I replaced the coolant temp sensor which was a very easy job. But it did not fix the problem. Still will intermittently peg hot and go into limp mode once you slow down.
I am thinking possible a broken wire (no resistance) however the wiring bundle is very secure and looks to be in very good condition. I have not opened the conduit to find the individual wire set or traced it back to behind the motor as of yet.
However I do recall in the past having to have a gas pedal sensor replaced and the shop replaced it but it didn’t get Jaguar reprogrammed so I failed and they reprogram it and then it was fine. Does anyone know if possible the coolent temp sensor would actually need to be programmed, so the car knows it was replaced???? Sorry for the long post.
I am thinking possible a broken wire (no resistance) however the wiring bundle is very secure and looks to be in very good condition. I have not opened the conduit to find the individual wire set or traced it back to behind the motor as of yet.
However I do recall in the past having to have a gas pedal sensor replaced and the shop replaced it but it didn’t get Jaguar reprogrammed so I failed and they reprogram it and then it was fine. Does anyone know if possible the coolent temp sensor would actually need to be programmed, so the car knows it was replaced???? Sorry for the long post.
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GGG (04-09-2022)
#3
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Welcome to the forums Tabatkinson,
I've moved your question from X351 to X350 forum. This is the place to post technical questions about your model.
Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some information about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.
Graham
I've moved your question from X351 to X350 forum. This is the place to post technical questions about your model.
Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some information about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.
Graham
#5
![Default](/forum/images/icons/icon1.gif)
Hi everyone excited to find this group! I am the owner of a 2005 XJ VDP in 100K miles and she is amazing. However……. I am getting a coolant temp sensor error, intermittently mostly pops when driving on freeway and it will put car in limp mode. Let me start with the car is not hot however the gage goes full hot and you can pull over turn key off remove key reinsert key start and she will be fine again and back to normal…. To be safe I replaced the coolant temp sensor which was a very easy job. But it did not fix the problem. Still will intermittently peg hot and go into limp mode once you slow down.
I am thinking possible a broken wire (no resistance) however the wiring bundle is very secure and looks to be in very good condition. I have not opened the conduit to find the individual wire set or traced it back to behind the motor as of yet.
However I do recall in the past having to have a gas pedal sensor replaced and the shop replaced it but it didn’t get Jaguar reprogrammed so I failed and they reprogram it and then it was fine. Does anyone know if possible the coolent temp sensor would actually need to be programmed, so the car knows it was replaced???? Sorry for the long post.
I am thinking possible a broken wire (no resistance) however the wiring bundle is very secure and looks to be in very good condition. I have not opened the conduit to find the individual wire set or traced it back to behind the motor as of yet.
However I do recall in the past having to have a gas pedal sensor replaced and the shop replaced it but it didn’t get Jaguar reprogrammed so I failed and they reprogram it and then it was fine. Does anyone know if possible the coolent temp sensor would actually need to be programmed, so the car knows it was replaced???? Sorry for the long post.
Your best bet is to find a complete throttle body it's easier to change and get one
Last edited by Robert Edwin rawle tangerinedream1; 04-12-2022 at 06:32 AM.
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