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Showing results for tags 'intake air control'.
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OK, so here's the skinny... I bought this car from a guy and we'll just say he wasn't entirely truthful on everything that's wrong with it. I have so far pulled the motor and replaced the head gaskets, all the seals, water pump etc. Got it all back together and only then discovered that it had a serious case of torque bind... pulled it apart and replaced the duty solenoid 'C'... took it for a drive and things seemed to be looking up. I drove it to work for about a week and now I think it has an issue with the IAC valve... what I've noticed so far is that at constant speeds it seems to "surge"... very slightly & consistently, but the worst part is it bogs down when accelerating from a dead stop... also shifts pretty hard from first to second, though I've heard that is relatively normal for subby's... I also My plan is to remove the IAC Valve and clean it out... the engine was very full of carbon when we had it all apart. After it's at operating temp, the idle drops to around 500... I think this is too low which also leads me to the IAC. I haven't checked the MPG yet, but I filled it and only have about half a tank left with roughly 100 miles traveled thus far. I'm unfamiliar with what I should be getting for MPG's on this car. Another thing I've observed is that when it shifts at higher RPM's, I hear a "sucking" sound from the drivers (?) side engine compartment... not sure if it's related or just another thing that I'll have to turn my attention to eventually... Just wanted to poke my head in here and see if anyone has any other suggestions for me to try. I thought maybe a fuel pump or fuel filter as well, but don't know if these symptoms fit the bill or not. Any thoughts & or suggestions are greatly appreciated! Thanks in advance! MT