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Old 07-20-2011, 07:12 AM   #1 (permalink)
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Default Blinking Check Engine Light P0483 - Cooling Fan

So I have a 03' Forester X with the 2.5 n/a engine with 127k, auto.

I went on a vacation 2 weekends ago with my second vehilce and left my subaru at home, when I got back and started it Monday morning to go to work it started sputtering when I accelerated and the check engine light started flashing....It probably flashed for about 5-10 seconds and then the car started running normal and has since this morning.

This morning the same thing happened. I did my timing belt at ~100k and I changed my spark plugs then, however I did not replace my wires or coils and they are original. I realize I am due for a spark plug change as I used the standard NGKs. I plan to do the wires as well.

Anything else I should look at changing or ideas as to whats going on? The 2 times this has happened has been when the vehicle is cold and then it sort of "catches" and drives normally the rest of the day.....

Thoughts?? Thanks for any advice...

Jason
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Old 07-20-2011, 08:07 AM   #2 (permalink)
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Have the code read (free) at Advance, Autozone, or the like.

Any advice beyond that would simply be a guess.
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Old 07-20-2011, 09:30 AM   #3 (permalink)
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P0483. Cooling fan functionality?

Apparently it displays when the temperature doesn't decrease in 3 minutes?

The check engine light popped up twice and the engine sputtered then went right away. Its consufing bc my the light popped within a minute of starting the car when the engine was cold. Possible head gasket issue? I hope not.

Thoughts? Thx
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Old 07-20-2011, 09:41 AM   #4 (permalink)
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I added the CEL code to the title of the thread in hopes of attracting good advice.
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Old 07-20-2011, 10:23 AM   #5 (permalink)
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OBD Code p0483

There are a couple other hits from Google as well that might be good reads.
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Old 07-21-2011, 07:04 AM   #6 (permalink)
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Thanks for the advice, I've searched through google nad havne't found anyone who has a sputter/hesitation along with this code....

Im wondering if there is a second code that the autozone rep didn't see when he read my codes....My electric fans both work, coolant level is fine, and the temp gauge has never moved once it hits the normal operating temp.....

Im gonna run to autozone over lunch and get the codes re-read, buy new spark plugs and wires and swap them out tonight....

I only wish subaru made the spark plugs easier to change....

I will report back, thanks again...

Jay
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Old 07-21-2011, 08:01 AM   #7 (permalink)
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Granted, the plugs aren't sitting up there staring you in the face like they were in the VWs I used to own, and you do have to move a few things to get to them. But none of that is really too hard. With the right tools (a ratchet, a 6" extension, and a sparkplug socket) (plus a torque wrench to finish the job off correctly) it hasn't proven to be really that difficult.

The really tough ones, I hear, are on the turbo models, as each plug has its own coil pack that gets in the way.

The usual cautions: Don't change plugs on a hot engine, and be sure the threads are properly engaged by hand before applying the ratchet or the torque wrench.
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Old 07-21-2011, 09:13 AM   #8 (permalink)
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Quote:
Originally Posted by bbottomley View Post
Granted, the plugs aren't sitting up there staring you in the face like they were in the VWs I used to own, and you do have to move a few things to get to them. But none of that is really too hard. With the right tools (a ratchet, a 6" extension, and a sparkplug socket) (plus a torque wrench to finish the job off correctly) it hasn't proven to be really that difficult.

The really tough ones, I hear, are on the turbo models, as each plug has its own coil pack that gets in the way.

The usual cautions: Don't change plugs on a hot engine, and be sure the threads are properly engaged by hand before applying the ratchet or the torque wrench.
I'm used to working on the infamous jeep 4.0L so the subarus are a pita, I always put a bit of antiseize on the plug threads and use a hose to get the plugs started to make sure u don't cross thread them. Then a bit of dielectric grease in the wire connection and I've had good luck.

Went to advaced over lunch, still showing that code and no others. Got the plugs/wires for 60 (NGK) and ill tackle the project tonight in this disgusting heat wave we have in PA.

Ill let u know how it turns out. Thx again. Jay
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Old 07-21-2011, 09:34 AM   #9 (permalink)
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All good stuff to do!

Best of luck chasing down that code.
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Old 07-21-2011, 07:06 PM   #10 (permalink)
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Changed the plugs and wires tonight, it wasn't as bad as I remembered. It seems to run a little smoother but ill wait to say that for sure till I get to drive it for a while.

Guess at this point I gotta drive it and see if it does it again. Ill be sure to let everyone know what happens. Thx. Jay

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Old 07-21-2011, 08:14 PM   #11 (permalink)
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The p0483 should only come up after 2 driving cycles with the issue, and the only diagnostic for it (if it's the only code showing up) is the fans/fan motors. This is not a code that should make the cel flash either.

I'm guessing you might have had knock or a misfire due to the plugs that wasn't stored.

Has the engine temp ever gone above the middle of the gauge?
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Old 07-22-2011, 02:47 AM   #12 (permalink)
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Quote:
Originally Posted by funkymonkey1002 View Post
The p0483 should only come up after 2 driving cycles with the issue, and the only diagnostic for it (if it's the only code showing up) is the fans/fan motors. This is not a code that should make the cel flash either.

I'm guessing you might have had knock or a misfire due to the plugs that wasn't stored.

Has the engine temp ever gone above the middle of the gauge?
That is what I thought, not sure when that code may have occurred but both my fans turn on, my temp gauge has never risen above normal, I did a coolant change fairly recently. No issues that I'm aware of in that department but ill keep an eye out.

I think it may be an issue with the wires arcing? It only happenned first thing in the morning, perhaps moisture from condensation was able to short the wires?? They are changed now so ill let u know how it drives today. Thx
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Old 07-22-2011, 02:34 PM   #13 (permalink)
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It drove well today, no signs of the sputter. Ill give it a week or 2 b4 I write this problem off, hopefully it doesn't show itself again.
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Old 07-29-2011, 07:22 AM   #14 (permalink)
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another week of driving without any issues....keeping my fingers crossed..
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Old 09-03-2011, 11:55 AM   #15 (permalink)
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I experienced something similar today while driving to work. I took a right turn kind of hard and as I was coming out of it, my Check Engine light started flashing. The flashing lasted for about 10 seconds, and then stopped.

Ironically, I will be taking my Forester in to a mechanic next Wednesday to have the spark plugs and wires replaced. I know that might not be the problem, though.

Chris
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