robbyaube

here is some good info i found on cleaning egr ports.
http://www.tech2tech.net/T2T_TSB/T2T013.pdf

rob

bckwld03

pretty informative thanks for puttin up the link, now i wonder if they have 1 of those articles for the h22

92lx

Great info! thanks!

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vassil3427

Just a quick question, I've never cleaned my egr ports before( I have a 1997 Accord I4) wouldnt that gunk get sucked up into the engine? Would it hurt anything?

NorCalRacer1

to answer your question, no it wont hurt your engine. its more of an "emissions" concern. nothing will get sucked into your engine that will do damage as a result of these plugs being clogged. i say leave em clogged, who wants exhaust running back into thier intake anyways, or you could make an EGR block off plate, or just un hook the vacuum hose to the EGR valve and cap off both ends.

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vassil3427

Well I think I'll just clean then out, I like my car running the way Honda designed it, I dont think it would run right if you unhooked the vaccum to it....

robbyaube

i was looking at my motor an counted what i thought to be the egr ports but there are only 6, is that normal or are there two that i cant see.

rob

Hondafan96

So clean them or no?

loesch8102

Yes, clean it. During normal cruising throttle position the car will have a very lean Air/fuel mixture, thus raising the temperature of the combustion chamber. If this temperature gets too high it could create a pre-ignition situation which is bad on just about everything. The EGR system is not active during full throttle or idle conditions so I don't understand why anyone would disable it anyway.

robbyaube

so how many egr's are there in my accord 91, if anyone knows? there are what looks like 6 but i was thinking maybe that there are only 4 because there are 4 in line then two other things that look the same but are not in line maybe those aren't.

robby