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2003 Jaguar S-Type Questions

Get answers to questions about your 2003 Jaguar S-Type at RepairPal. Find solutions, diagnose problems and get back on the road.

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diagnostic code says knock, light is yellow and intermittently restricted performance message, sometimes both message and check engine light goes off

When driving ~ 30mph, all of a sudden it feels like the emergency brake is engaging on and off for a period of sometimes 2 minutes. It continues to drive in a straight line, but slows down each time it engages and makes a growling sound. Does not happen all the time, worse when it is first driven in the day.

After starting my car when I try to shift from park to drive the shifter stays stuck in park.

We thought it was a sensor that was broken but it could be a fuel pump

I had replaced battery inthe fob key.about 5weeks ago ever since the the car will lock me out won't start and lock the luggage door out it been 4 times ever right now haven't been abell tostart the car i have grocceries locked in my truck for the last 2days it keep stateing restricted performance. check engine light. the person i purchase the car from has a shop and each time i 'd it towed twice to the shop and then as soon as it drop off the car unlockes every thing with out him having to do nothing but turn the key, he then tells me not to use the fob key button to gain enterance to the car and if the button are pressed it locks me out again , in need of some real help PLEASE LOOSING MY MIND

I would be driving and when I press the excelerator for more power and speed , the car started missing , and sometimes goes into a limp mode , and inside the information message center it would state RESTRICTED PERFORMANCE. And when I stop it would shut down , or if taking a slow corner , or backing up .???

Seller is presently replacing computer modules due to moisture.

My 03 S type will not start battery charged etc. I have no key fob. It has been suggested the security system is the issue. Can you help?

when turning when in lower speeds

Can my speed sensors be removed and will the car still run ? Can they be cleaned? This occurs randomly, may drive 50-100 mi. No problem. Other times, may only go 10mi. Have to kill the car, wait a min or so, and restart.

Is it best to locate the camshaft position sensors from underneath or above the engine?

When your driving and you feel like you want to step on it,it stalls and says "Restricted performance"in the dash board please help.

three recent issues where shift from first to second not smooth
once traffic jam forty five minutes high heat
other two times accelerating after going over a speed bump