buzz in engine bay with code
09-14-2009, 01:04 PM
#1
B.I.G
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buzz in engine bay with code
sooo My car threw a engine code reading
p0300 ive read around here and i also went to autozone to get it pulled and it seems to be a mis fire.. but the car runs flawlessly, idles smooth, and accelerates smoooth.
I hear a buzzing clicking sound that seems to be coming from the alternator or under the alternator.. i cant seem to figure it out.. could this be a vac leak??
any information will be helpful
I have a 2005
related mods
-Exhaust
-CAI
ps. maybe it could be a screen in the cai???
p0300 ive read around here and i also went to autozone to get it pulled and it seems to be a mis fire.. but the car runs flawlessly, idles smooth, and accelerates smoooth.
I hear a buzzing clicking sound that seems to be coming from the alternator or under the alternator.. i cant seem to figure it out.. could this be a vac leak??
any information will be helpful
I have a 2005
related mods
-Exhaust
-CAI
ps. maybe it could be a screen in the cai???
09-14-2009, 05:20 PM
#2
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What you're hearing is most likely a misfire. Almost like a "marbles in a can" sound.
If you're getting those codes, the culprit is definitely your coils, plugs, and plug wires. It's a very common issue with this car and depending on your miles - you're most likely due for a change.
Many of the members here (including myself) choose to upgrade to the BHR Ignition solution. Which in essence is a sturdier coil pack set from a GMC Yukon and they will definitely outlast any stock coil set - which seem to die right around the 30-35k range for most owners. Some members have it for a bit longer.....but that's generally their lifespan.
You can also choose to go with stock coils, new spark plugs (NGK Iridiums), and new plug wires for about $270 or so.
The BHR Ignition Kit including new spark plugs was around $500 and some change.
You be the judge on where your money is spent.
If you're getting those codes, the culprit is definitely your coils, plugs, and plug wires. It's a very common issue with this car and depending on your miles - you're most likely due for a change.
Many of the members here (including myself) choose to upgrade to the BHR Ignition solution. Which in essence is a sturdier coil pack set from a GMC Yukon and they will definitely outlast any stock coil set - which seem to die right around the 30-35k range for most owners. Some members have it for a bit longer.....but that's generally their lifespan.
You can also choose to go with stock coils, new spark plugs (NGK Iridiums), and new plug wires for about $270 or so.
The BHR Ignition Kit including new spark plugs was around $500 and some change.
You be the judge on where your money is spent.
09-16-2009, 12:46 PM
#3
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I think that would have been the issue but im starting to believe it could possibly be the alternator! i dont know why it would cause a CEL but my alternator bearing sounds harsh!!! only way to tell is to remove the alternator and get it tested or something..
I will keep this updated and let you all know what happens!
I will keep this updated and let you all know what happens!
09-17-2009, 01:08 PM
#5
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i checked my plugs and they werent plugged in all the way and i checked my spark plugs and one of them was cracked and literally fell apart when i removed it!!!!
Now the whine im starting to believe its the alternator.
Now the whine im starting to believe its the alternator.
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