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Discussion Starter #1
Alright, this first issue is pressing. I changed the oil in our 07 Sport yesterday. This morning the wife did some city and freeway driving, maybe 1 1/2 hours. She took it to the shop to have the alignment done. On the way home after having the alignment done, the CEL came on.

I just read Bangkokiscool's post about getting a CEL for the oil cap. Can the oil cap cause a code to be thrown on an 07 as well? If so then would it not be registered while the engine was warming up or once the engine reached operating temperature? As for putting the cap on, unless I really overlooked something, only 3/8 of a turn is needed before it stops. Now with regards to the alignment, is there something that could have been done, or maybe not done which could have triggered the light? They also balanced and rotated the tires.

Second isn't a big issue yet, but will have to be addressed eventually. With the pan removed to access the oil drain plug, I noticed a slow oil leak at the end of the front passenger side axle housing. Has anyone had to deal with this? My first guess is that is just a worn seal.

Thanks

Perry

PS: I saw a thread on here a bit ago about mice in the vehicles, well you can add mine to that f-ing list!
 

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2006-2009 Range Rover Sport
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You may be stuck with getting the code read but a couple of simple things to check first...and yes any car will throw a CEL code with a loose filler cap.
1. check the dipstick is pushed all the way in and sealed tightly--this can generate a CEL, as will running the engine without the dipstick in...if you did that while changing the oil.
2. did she fill up with gas during the time you changed oil and the time the light came on?

The alignment would not affect CEL.
 

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Discussion Starter #3
The engine remained off while the system was open. After reading what you wrote I had to kick myself in the head (I'm flexible) to get the hamster going. Whenever I change the oil I always make sure the dipstick is in and the cap is tightened. This time however, I did have the wife check the oil prior to having the alignment done.

Didn't think to check the gas cap (aSSuming that was where you were going with #2), will have to double check that.
 

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2006-2009 Range Rover Sport
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Yes, that fuel filler cap is where I was going.

Here in the Socialist Republic of NJ we can't pump our own gas and sometimes the attendant doesn't click down the fuel filler cap and I get a CEL. It goes away eventually.
 

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2006-2009 Range Rover Sport
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fixthedoor said:
No one has anything on the axle housing?
You mean the differential seal? If you are under warranty, then the LR way is probably a replacement differential. But if not, I would check LR Parts to see if a seal kit is available. If it is, and you don't want to use the dealer,there are shops with the expertise and tools to replace it, like a specialty transmission shop.

Btw, its something that usually gets worse over time, so use your judgement.
 

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Discussion Starter #7
Yeah the differential seal. Unfortunately I'm 7,000 miles past the warranty, so I will have to deal with this on my own. At the moment it's nothing major, only a little bit of seepage. I wiped it down and will check on it when I change the oil again.

Regarding the CEL: It was a lean bank code, which went away last Thursday. Either the wife or I caused a vacuum leak by not tightening the 710 cap or ensuring the dipstick was secure. We took it on a 600+ mile trip this past weekend with no issues.
 
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