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Old 06-11-2013, 07:51 PM   #1
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Weird exhaust clicking noise at idle

You can hear it from the 6-15 second mark and through out.


Sounds like a misfire but goes away with rpms. I don't think it's an exhaust leak as I checked some youtube videos and they sound different. The sound is not continuous and I have no idea what it is. It drives me nuts.

I have an unknown to me o/r x pipe.

This started after I fixed a blown plug, and it sounds like a slight misfire but it runs good and no CEL.

Any ideas
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Old 06-11-2013, 09:24 PM   #2
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Old 06-18-2013, 07:59 AM   #3
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Well i am gonna take the day off tomorrow to figure this thing out. I think it might be a plug or coil pack. Thoughts? No CEL and drives fine with no loss of power. It only backfires/misfire at idle.
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Old 06-18-2013, 08:16 AM   #4
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Well i am gonna take the day off tomorrow to figure this thing out. I think it might be a plug or coil pack. Thoughts? No CEL and drives fine with no loss of power. It only backfires/misfire at idle.
I had the same issue and it only got worse over time. Had a slight misfire at idle and drove about 3000 miles and then I had a misfire all the time and could barely drive it. Turned out to be a coil pack so I replaced all of them. Took me 15 min to do all 8
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Old 06-18-2013, 08:20 AM   #5
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Originally Posted by DSG2003 View Post
I had the same issue and it only got worse over time. Had a slight misfire at idle and drove about 3000 miles and then I had a misfire all the time and could barely drive it. Turned out to be a coil pack so I replaced all of them. Took me 15 min to do all 8
Good to know! I think I might have an idea on which one might be causing trouble. Going to change that one to see if it helps then purchase the rest of them.

I was hoping it was not a burnt valve but i listened to some other videos on youtube and the sound was completely different.
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Old 06-18-2013, 08:45 AM   #6
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Good to know! I think I might have an idea on which one might be causing trouble. Going to change that one to see if it helps then purchase the rest of them.

I was hoping it was not a burnt valve but i listened to some other videos on youtube and the sound was completely different.
Yeah it happened to me when my intake busted and coolant got everywhere. It was cylinder 1 for me but I went ahead and did all 8
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Old 06-19-2013, 12:18 PM   #7
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As soon as i arrived at campus the service engine light lit up. Will see
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Old 06-19-2013, 01:31 PM   #8
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As soon as i arrived at campus the service engine light lit up. Will see
How bad is it driving? Mine drove like a Chevy...
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Old 06-19-2013, 01:42 PM   #9
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I just recently changed my plugs too. After I did that I had a bad misfire at idle. after unplugging the coil packs one at a time to see which one was the problem, I took it off and put it back on and problem solved. I would suggest double checking your work. Maybe a contact isn't touching a plug?
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Old 06-22-2013, 10:07 AM   #10
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Okay it thew code P0174
googling now
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Old 06-24-2013, 12:32 PM   #11
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Okay so its code for lean bank 2.
So far i cleaned he maf,tb and iac. Made everything better but the misfire is still there.
Checked plugs and coils and are in good working order.
I noticed the heater hose that comes out of the pcv collapses when the engine is running.
Replaced that but wondering if a faulty pcv can be the culprit?
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Old 06-24-2013, 12:40 PM   #12
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Aren't the bank codes about the o2 sensor? My car was lean on bank 1 and I replaced my o2 sensors.
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