2002 Vanden Plas Spark Plugs -Which To Use?
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If yours is the 4.0L, then you'll need NGK Iridium IX BKR5EIX-11 with S/C or Jaguar Iridium Spark Plug - NGK 7866 in the base model. Pull one out that's in it and see, your in FL like me, its warm enough...![Icon Snow](https://www.jaguarforums.com/forum/images/smilies/icon_snow.gif)
Personally I've never had any luck with Bosch. They didn't work in my Vette or Expedition very long before fouling began.
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Personally I've never had any luck with Bosch. They didn't work in my Vette or Expedition very long before fouling began.
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As for when to replace plugs, it varies per application, but electrodes wear down and lose conductivity. They start to burn yellow instead of blue (which can be a bad ignition component also) and proper spark is essential for max performance and mileage. These high energy ignitions of today require proper plugs.
If your engine stumbles, maybe rocks a little sitting at a light, you may at least need to check the plugs and maybe just regap them. Perhaps a piece of carbon welded onto the electrode or they are simply worn.
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Initially Jaguar sometimes has someone (usually a high end producer) make specific type plugs for them but they may be branded Jaguar. The engineers have worked out and have specific requirements to get the best performance per that engine. After a model is discontinued or the maker has an agreement for production time only to them, then that maker can start putting their name on it. In the meantime you have others who will either reverse engineer or come up with a similar kind that works almost as well to possibly even better (doubtful though). But the only way to find this out is through others trial and error. Thus why the Chinese frauds need to be watched for, they use seriously cheap low grade metals.
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how would i know if i got a super charge or just base? All i know is my vehicle is 2000 VP XJ8 (not sure if I should include the "L") I try to use the decoder on this site, but it did not say if it was base or S/C or/and XJ8L or XJ8. help, it is hard to order parts or find out what my car needs.
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It's not worth agonizing over brands or price. Use what Jag installed and you're good for another 100K miles.
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how would i know if i got a super charge or just base? All i know is my vehicle is 2000 VP XJ8 (not sure if I should include the "L") I try to use the decoder on this site, but it did not say if it was base or S/C or/and XJ8L or XJ8. help, it is hard to order parts or find out what my car needs.
Your car itself is an XJ or X308 model. You could have a XJ6 which is the inline six cylinder or the XJ8 which is the 8 cylinder. There are standard XJ's with a base body and then there's the Vanden Plas which is the longer wheel base.
Most any place you order parts from should ask you for your VIN to order the correct parts for certain things like shocks. Other than that, look on line and find an Indy (Independent Jag Mechanic) local and ask them to explain to you what you have.
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how would i know if i got a super charge or just base? All i know is my vehicle is 2000 VP XJ8 (not sure if I should include the "L") I try to use the decoder on this site, but it did not say if it was base or S/C or/and XJ8L or XJ8. help, it is hard to order parts or find out what my car needs.
Generally parts can be ordered by VIN
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