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Discussion Starter #1
I have a 06 Forester w/ 70k and last night shortly after setting my cruise control on a country road at 55mph, cruise shut off on it's own and light started blinking. Then CEL came on. Engine ran fine. After arriving back at the house, I checked all connections to no avail. I then unhooked battery and let sit until AM. Also checked gas cap for at least 6 clicks in closure.

This morning I re-connected battery and started car which took several turns to light although once started, it ran fine with no lights whatsoever. Took a drive up to dealer to test drive a new Legacy my wife's been considering and ran about 40 miles of errands. Still no lights. Stopped for dinner and shortly after leaving, the lights came on although cruise was not being used at the time.

any suggestions before going to the dealer??

Thanks,
Motoretro
 

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2009 Forester XT Limited
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Check your Gas cap. If it is loose it can cause this to happen. Did with mine and a couple of others but they were MY09's. Not really sure about yours as you are in a MY06.
 

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Discussion Starter #4
After a trip to the dealer, the car was diagnosed with dead oxygen sensor. Estimate was $300.00 parts and labor:crazy:. Seems more than a bit high. How much are these sensors?? How tough is it to replace them?

Motoretro
 

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2004 Forester XT 5MT
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hmmm my 04 the front one is behind a little door in the inner fender well, i bought my oem sensor about a year or so ago and installed it my self in about MAYBE an hour taking my time and not stressing. cost $200.00
 

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Discussion Starter #6 (Edited)
Thanks Stealth,

I've checked the location out and looks a bit tough to reach without removing a bunch of stuff on 06. They both look like the road salt has done their work on them. Local parts dealer can't get the front one, only back one. Looks like the dealer will get this one:icon_frown:

Motoretro
 

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2007 Forester
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i had the same problem on my 07 forester, CEL and blinking cruise control light. anyways thats covered under warranty. 80k miles
 

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Discussion Starter #9
Tubby,
Thanks for the quick reply, So it is covered huh? Looks like i need to call SOA as I believe dealer is going to charge me....:huh:

Thanks,
Motoretro
 

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2015 Highlander AWD XLE 6AT
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Are the Oxygen sensors covered under 80K factory emissions warranty?
You might want to double check your car's warranty for your specific location. The oxygen sensor(s) in my '09 Forester registered in VA are covered by the 3 year / 36K mile Federal Emissions Defect Warranty.

According to my car's warranty, the only items covered by the extended 8/80 Federal warranty are: (1) the catalytic converter, (2) the engine control module, and (3) the "onboard emissions diagnostic device".

I'm sorry if this is bad news for you... :icon_sad:

Regards,
Jim / crewzer
 

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Discussion Starter #11
Crewzer,
Your 100% correct, the O2 Sensor appears to not be covered in the 80K emission warranty. Found it in my manual/warranty books.

Motoretro
 

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2004 Forester XT M/T
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Here's a copy of what is and isn't covered under the EPA 8/80 warranty. It's a link directly from the EPA itemizing the various parts.

I too have a similar problem with my Forester ('04 XT M/T). I set the cruise control and the CEL comes on after a little while and it throws a code. I'm not sure which code it is, but I wager it's the P0420 and am going to check it when I go to Autozone.

The dealer (Feder's Subaru in Middletown, NY) has been surprisingly unhelpful with this. They replaced one O2 sensor already and the CEL went off again just two days later. The only thing they did the last time was reset the ECU and, naturally, the cruise failed again with CEL and blinking cruise light.

I'm getting a bit frustrated. I'm still under 80,000 miles so the catalytic converter is under warranty so if that's what's really going on then I'm going to tell them to replace the damn thing. I'm not happy with this situation.
 

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Discussion Starter #13
I understand and feel your frustration. If my problem persists after the O2 Sensor is replaced, I'll also push for Converter replacement as I have just over 70K now. There seems to be a pattern here with no real definitive answer. I wonder if the newer Subes are plumbed the same way? We are looking at a new O/B and really don't need another problem child.

Motoretro

Here's a copy of what is and isn't covered under the EPA 8/80 warranty. It's a link directly from the EPA itemizing the various parts.

I too have a similar problem with my Forester ('04 XT M/T). I set the cruise control and the CEL comes on after a little while and it throws a code. I'm not sure which code it is, but I wager it's the P0420 and am going to check it when I go to Autozone.

The dealer (Feder's Subaru in Middletown, NY) has been surprisingly unhelpful with this. They replaced one O2 sensor already and the CEL went off again just two days later. The only thing they did the last time was reset the ECU and, naturally, the cruise failed again with CEL and blinking cruise light.

I'm getting a bit frustrated. I'm still under 80,000 miles so the catalytic converter is under warranty so if that's what's really going on then I'm going to tell them to replace the damn thing. I'm not happy with this situation.
 

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2004 Forester XT M/T
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Thanks for the tea and sympathy! :biggrin:

I went in today and have an appointment for tomorrow. The service coordinator at Feder's is excellent (Maureen) and as soon as I mentioned P0420 she said, "Cat needs replacement." So I'll be bringing it in with 120 miles to go before 80k. At least it'll be documented that the problem happened before the warranty is out and hearing her say that made me feel better.

I saw the new OB today and it looks good. I'm going to go over it more thoroughly tomorrow while I'm waiting for the car to get done. I have to say that my car has been flawless except for this one problem and really, if this is the biggest issue I have, it's not too terrible given all the problems other people have with their cars. I really need AWD for my driveway and frequent trips upstate and into Canada and Vermont so I'm sticking with Subaru if I can. The new Foresters are simply too big for my needs and interests and since the Legacy isn't coming here in a wagon, that leaves me with an OB. I can't say I'm remotely ready to trade my car yet but may do so while this new OB model is current. I'll likely see what happens when the Forester after this current one is replaced.

I love my Forester dearly, more than any other car I've had. It's gotten me (when shod with 4 studded snows) where I'm going in the worst conditions. My greatest fear in bad weather is now simply other drivers. And the turbo is such a sleeper that it's a blast to drive on twisty roads. It's a great combination of fun and total practicality. I only wish they made it in a convertible!

I understand and feel your frustration. If my problem persists after the O2 Sensor is replaced, I'll also push for Converter replacement as I have just over 70K now. There seems to be a pattern here with no real definitive answer. I wonder if the newer Subes are plumbed the same way? We are looking at a new O/B and really don't need another problem child.

Motoretro
 

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2018 2.5i Premium CVT
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It looks like you've now gotten to the bottom of the problem and realized that it doesn't actually have anything to do with cruise control. But just to close off that aspect of things, shutting off cruise control and blinking its light is a defensive measure. It's intended to put the driver back in full command at a time when the engine might not be expected to perform in its normal fashion.
 
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