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1999 S-Type 3.0 V6

Tiny
LEEWRIGHT
  • MEMBER
  • 1999 JAGUAR XJS
The cabin heater is not controlling. When ignition is turned on it all works perfectly, howver when I start the engine there is a temperature differential between the passenger side and the driver side. Both get hotter as the car engine warms up and the engine accelerates. The heater control valve has been replaced twice, the second time by a Jaguar dealership. I've checked the air intake flaps and they are all working ok. Any helpful suggestions would be appreciated.
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Tuesday, June 20th, 2006 AT 5:57 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
There has to be some kind of temp sensors to tell the climate control how hot/cold its getting
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Tuesday, September 12th, 2006 AT 2:42 PM
Tiny
FSTRANGER302
  • MECHANIC
  • 117 POSTS
There are three sensors in the heater box that if one is not right your heat will be different. Unfournatly. Only the dealer can figure which one using datalogger. Or you can replace all three
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Wednesday, September 20th, 2006 AT 8:39 PM

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