So the last guy who had my car drilled out the egr plugs. To clarify I mean he drilled into the plug, not the whole plug.
His aim with the drill was not centered, he went all the way through them, and messed up the little holes behind the plugs, widening them. They didn't go all the way into the manifold beyond the egr passage or anything that drastic though.
When I got the car I noticed that the far right plug hadn't been capped like the rest. The plug just had a hole in it and was pulling in air (like I said, drilled through). The rest had been capped with solder and some sort of hard putty. I pulled all of them, despite pulling in fresh air they were surprisingly dirty.
Should I be concerned about this? I've read that you're not supposed to mess up those ports, but it doesn't seem like it would really hurt anything since they are closed anyway. Maybe I misunderstand.
Also:
when I got the car I noticed a persistent hissing and high idle (guessing I found my vacuum leak...) but also a sort of bobbling, popping noise coming from the intake...maybe. Related? He installed a generic short ram with a messed up gasket and a K&N.
His aim with the drill was not centered, he went all the way through them, and messed up the little holes behind the plugs, widening them. They didn't go all the way into the manifold beyond the egr passage or anything that drastic though.
When I got the car I noticed that the far right plug hadn't been capped like the rest. The plug just had a hole in it and was pulling in air (like I said, drilled through). The rest had been capped with solder and some sort of hard putty. I pulled all of them, despite pulling in fresh air they were surprisingly dirty.
Should I be concerned about this? I've read that you're not supposed to mess up those ports, but it doesn't seem like it would really hurt anything since they are closed anyway. Maybe I misunderstand.
Also:
when I got the car I noticed a persistent hissing and high idle (guessing I found my vacuum leak...) but also a sort of bobbling, popping noise coming from the intake...maybe. Related? He installed a generic short ram with a messed up gasket and a K&N.
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