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Car Forum / Honda Cars / July 2006ERG Trouble
I own a 2001 Prelude. I started getting "bad egr valve" code from my car's computer. I bought a mew egr valve ($180) and light came back on same code. I have a friend that is a mechanic at my local Honda dealership. He told me to drill to remove 4 melal plugs from the intake manifold and clean the ports underneath those plugs. Honda sells replacemrnt plugs for like $.15 each. Worked like a charm. Removed large amount of carbon with air hose. While putting the replacement plugs in the holes I knocked one of the too far and it fell down into the manifold. Can this be a problem????? > I own a 2001 Prelude. I started getting "bad egr valve" code from my > car's computer. I bought a mew egr valve ($180) and light came back on [quoted text clipped - 5 lines] > While putting the replacement plugs in the holes I knocked one of the > too far and it fell down into the manifold. Can this be a problem????? I don't know how the manifolds are designed on a 2001 'lude but it's conceivable that if the plug is in the intake manifold that it might work it's way into a cylinder. The results would be disastrous. Can you see the plug? If so, can you grab it with a spring type claw tool such as http://tinyurl.com/ebwfy ? I realize that this might not be possible due to the small access hole that you have available. If the plug is loose and rolling around, then the safest approach would be to remove the manifold and get the plug out. This would probably be the procedure I would follow if it were my car. Eric Holes are too small to retrieve the plug through where it came from. I am going to try removing the EGR vale and incerting a small hose attached to a shop vacuum through there. That opening is a bit larger. Also the check engine light keeps returning although the car is running great. I keep taking a battery post off to reset the computer.It will run for about 2-3 hours before light returns but, it always returns. Could the plug be disrupting the air flow causing egr light? > > I own a 2001 Prelude. I started getting "bad egr valve" code from my > > car's computer. I bought a mew egr valve ($180) and light came back on [quoted text clipped - 17 lines] > > Eric > I own a 2001 Prelude. I started getting "bad egr valve" code from my > car's computer. I bought a mew egr valve ($180) and light came back on [quoted text clipped - 5 lines] > While putting the replacement plugs in the holes I knocked one of the > too far and it fell down into the manifold. Can this be a problem????? yes definitely! that sucker will get sucked into the cylinder and ruin your day. gotta take the manifold off and shake it out i'm afraid. but good job on getting the egr system sorted out - that'll make the car run like new. > While putting the replacement plugs in the holes I knocked one of the > too far and it fell down into the manifold. Can this be a problem????? *&^%$ yes! John |
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