CEL : Code=P0328 - Subaru Forester Owners Forum
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post #1 of 39 (permalink) Old 04-04-2006, 05:03 PM Thread Starter
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CEL : Code=P0328

Does anyone know what that is?

Etienne
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post #2 of 39 (permalink) Old 04-04-2006, 05:08 PM
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P0328 Knock sensor circuit high input


http://www.troublecodes.net/Subaru/



Should be what you needed...

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post #3 of 39 (permalink) Old 04-06-2006, 08:07 AM Thread Starter
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CEL : Code=P0328

THank you. Here is something interesting, after parking it over night. THe CEL is gone?! What gives? I have purchased another knock sensor, but I am now wondering if I still need to replace the unit or not?
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post #4 of 39 (permalink) Old 04-06-2006, 08:14 AM
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Originally Posted by etiennelau
THank you. Here is something interesting, after parking it over night. THe CEL is gone?! What gives? I have purchased another knock sensor, but I am now wondering if I still need to replace the unit or not?
I would - it's prolly going out, they tend to do that

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post #5 of 39 (permalink) Old 06-10-2006, 03:56 PM Thread Starter
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Finally got the Knock Sensor replaced. Wow what a difference. It seems to also have fixed a lot of poor performance/hesitation problems that start almost 2 years ago......Engine is now really smooth right from take off.
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post #6 of 39 (permalink) Old 08-25-2006, 08:24 PM
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Was this a fairly straightforward repair? Any online tutorials/pics of this? Not afraid of a wrench and would rather save myself $60/hr for my own use and just buy the sensor. I just got this code a week ago and also note some semi-sluggish takeup that I'm gathering this could remedy. Just did my plugs a few days ago so I can handle that sorta stuff.
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post #7 of 39 (permalink) Old 08-25-2006, 09:13 PM
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http://www.scoobymods.com/forums/showthread.php?t=4039

Some info there

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post #8 of 39 (permalink) Old 08-26-2006, 12:00 AM
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Super easy repair, if it takes you 10 minutes you're slackin' :)

Good luck! you'll probably find your fuel mileage improves, too - mine sure did.

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post #9 of 39 (permalink) Old 08-26-2006, 12:28 AM
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That would be a welcome addition. Averaging about 25 MPG right now with my '01 automatic. What's the going rate for the part? Dealer part any worse than what you'd find at Autozone in terms of price? Not trying to be cheap, but no sense throwing money away as I'm looking at my timing belt/water pump/seal service as I'm at 76K right now and I gotta save my pennies. What does this usually run (not to get off-topic)?
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post #10 of 39 (permalink) Old 08-31-2006, 09:17 PM
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That would be a welcome addition. Averaging about 25 MPG right now with my '01 automatic. What's the going rate for the part? Dealer part any worse than what you'd find at Autozone in terms of price? Not trying to be cheap, but no sense throwing money away as I'm looking at my timing belt/water pump/seal service as I'm at 76K right now and I gotta save my pennies. What does this usually run (not to get off-topic)?
I had a 200,000km service done recently and the book price for Subaru Austalia was AU$965........ a local (good) mechanic said his book price was AU$560 - big difference... but ended up closer to the original figure as the cam belt idler bearing was failing and the cam belt hydraulic tensioner was leaking and both are only available as genuine suby parts
post #11 of 39 (permalink) Old 08-31-2006, 11:27 PM
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What's the going rate for the part? Dealer part any worse than what you'd find at Autozone in terms of price? )?

I don't recall exactly... something like $75? it is a dealer only part, at the moment. A lot of money for what basically is a narrow band microphone.

it's the same shape, size and "bench" impedance as the knock sensor for a Saab convertible from the 90s... (i have some weird stuff lying around.. ) but, I didn't feel like risking it so I bought the real deal.

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post #12 of 39 (permalink) Old 09-01-2006, 11:18 PM
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Thumbs up

Fair enough, I'll be picking one up shortly. Thank you folks for the helpful info.
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post #13 of 39 (permalink) Old 10-07-2006, 05:15 PM
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I recently got this code (P0328) pulled on my '01 from Advance Auto. The print out they gave me continues to read ...
P0328
Knock Sensor 1
Circuit High Input
Bank 1 or 1 Sensor
What is the life expectancy of a knock sensor? Is there anything else this code could be?

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post #14 of 39 (permalink) Old 10-11-2006, 05:45 PM
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Anyone have a source for the knock sensor? If the dealer thinks I'm paying $101 for it, they're out of their mind.

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post #15 of 39 (permalink) Old 10-11-2006, 07:35 PM
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Check with the OEM vendors here, it should be less expensive.

Peaty

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