Engine management light on... - Subaru Forester Owners Forum
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post #1 of 19 (permalink) Old 01-28-2013, 02:19 AM Thread Starter
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Engine management light on...

I was enjoying a good drive back from some shooting this Saturday, Forester on top form and burbling for Britain, when I noticed that the engine warning light was on permanently and the cruise light flashing. There was no change to the way the engine runs.

I am hoping that its just a fault with one of the emissions sensors and not something more drastic. The is the second time in over 50k miles that I've had this light come on. The last time I had valve wear and a big bill!

Looks the car will be on enforced rest till I can get it looked at. Fingers crossed.
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post #2 of 19 (permalink) Old 01-28-2013, 03:56 AM
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Lightbulb

Quote:
...I noticed that the engine warning light was on permanently and the cruise light flashing.
Here in the U.S., that warning light combination means the on board diagnostic system (OBD) has stored one or more error codes. OBD readers are fairly inexpensive (~US$20), and the code translations can be found on-line. Alternately, most of our chain auto parts stores will read the code(s) at no charge.

Don't know how this works in the UK.

Best of luck!
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post #3 of 19 (permalink) Old 01-28-2013, 04:02 AM
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Yup, need to read the code. Can be something as simple as the fuel cap not being replaced properly. Dealer will charge a lot to read it I expect, I have an OBD device, where in London are you?
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post #4 of 19 (permalink) Old 01-28-2013, 04:32 AM Thread Starter
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Thanks gents. I am in the city, although I left the car with a friend in essex when the light came on this weekend.

Are these readers cheap to buy here? Are there different makes/models?

Edit - ah I see loads on ebay.. can anyone recommend one?
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post #5 of 19 (permalink) Old 01-28-2013, 05:03 AM
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Got a laptop? If so, get a VAGCom cable (all pretty much the same) and download a copy of ROMRaider / LearningView.

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post #6 of 19 (permalink) Old 01-28-2013, 05:27 AM
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youre running deact arnt you? il put money on its the p0420 code which is cat operating beyond or out of limit. i sometimes get it on mine but i just read it and clear it with the psi3. we all bought an american code reafer last year which was pretty good value for money and could be used as a digital gauge too, its in the garage somewhere il have a look!!

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post #7 of 19 (permalink) Old 01-28-2013, 05:42 AM
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Is that the Ultra gauge Simon? If so I had one with my Foz and it's an excellent bit of kit.
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post #8 of 19 (permalink) Old 01-28-2013, 05:51 AM Thread Starter
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Yes I have a lap to. Thanks for the pointer. Hopefully its just the fuel cap or something!!
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post #9 of 19 (permalink) Old 01-28-2013, 05:55 AM Thread Starter
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youre running deact arnt you? il put money on its the p0420 code which is cat operating beyond or out of limit. i sometimes get it on mine but i just read it and clear it with the psi3. we all bought an american code reafer last year which was pretty good value for money and could be used as a digital gauge too, its in the garage somewhere il have a look!!
Yes its a full decat at the moment. I know that one of the sensors was removed and a fix put in place as part of the new exhaust system.

I am very cautious about driving with any warning lights on, I guess I need to be able to read these codes, should have got one of these readers ages ago. (Can't find a 'kick myself' smilie)

This one looks good.
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post #10 of 19 (permalink) Old 01-28-2013, 06:15 AM
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Where in Essex? I've got a PSi3 data monitor I could use to read a code. I'm not far from Lakeside in Thurrock.
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post #11 of 19 (permalink) Old 01-28-2013, 06:31 AM
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freeSSM is a good diagnostic program when used with laptop and vagcom cable

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post #12 of 19 (permalink) Old 01-28-2013, 07:46 AM Thread Starter
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Where in Essex? I've got a PSi3 data monitor I could use to read a code. I'm not far from Lakeside in Thurrock.
That's very generous, thank you. Its near Abridge. I have ordered the necessary kit now (sounds like a good investment!) and will hopefully have it by the weekend. If its just the cat error as Simon suggests I will be very happy!
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post #13 of 19 (permalink) Old 01-28-2013, 09:39 AM
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thats the one james!! couldnt for the life of me remember its name!! i left the sensor in because as far as i know it still adjusts the fueling when running closed loop? (i stand to be corrected!)

mines occassionally throws it when the engine hasnt reached operating temp when ive just been pootling around town!! since the full decat and remap ive had to clear it once, so its no biggy in my book

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post #14 of 19 (permalink) Old 01-28-2013, 10:17 AM
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freeSSM is a good diagnostic program when used with laptop and vagcom cable
Need to have the right cable for FreeSSM - not all the VagCom ones on eBay will work with it IIRC.

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post #15 of 19 (permalink) Old 01-28-2013, 12:03 PM
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The UG is an ace bit of kit. Is has several pages of differing readings, dials etc.

I had to order mine from the USA and it took a week to arrive. It gave me an average MPG which I thought was nice.
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