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  #37  
Old 11-27-2009, 03:19 PM
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Re: Gains/Losses w/SRT exhaust on WK 3.7?

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Originally Posted by TimmyB View Post
Whats an IAV valve? When I start my WK the rpm's are high, around the 1k mark. Then after just sitting there on lunch break it goes down to about 500rpm and stays, idle seems to be fine but once in awhile it will drop below that and appear rough for a minute or two then go up again. Im not concerned really and prob think its normal, but if there's something I can clean to help it i'd do it. I do have the K&N CAI and people have told me the oiled filters can screw up the intake parts from the oil being sucked in, but im very careful to only add enough oil on the filter during cleaning so its not sloppy soaked with the oil, if anything I dont put enough on.

I have a can of Gumout air intake and throttle body cleaner, would it be good to remove the intake tube and spray some into the TB?
Idle Air Control valve. it's plugged into your TB, should be the right hand side. It tends to get gunked up with oil and so on, so it should be cleaned, and in the long run replaced over time.

the K&N thing applies mostly to MAF systems, in other words, that's a non-issue for you.

TB cleaning is a good idea to do occasionally but you have to remove the IAC from the TB to clean it.
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Old 11-27-2009, 04:33 PM
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Re: Gains/Losses w/SRT exhaust on WK 3.7?

I have about 70k miles on my 05 WK right now, bought one year ago and have no idea what the previous owners ever did to it. I was thinking spark plugs cleaning the TB and now that IAC valve.

For the valves and injectors do those bottles of cleaners actually work? On my previous 94 GC it had over 200K miles on it and would start to run like crap so i would put a bottle of the high mileage injector/complete fuel system cleaner in the gas tank and it did seem to run better for awhile.
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