Thread: 4A-GE MK1 Engine TVIS, not sure if tis my Culprit or not.
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Old 10-05-2009, 10:30 AM   #20 (permalink)
jsnod25
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ok, looks like i missed a bit since i posted. I didnt mean to hijack the thread, i just saw a post with a similar problem and wanted to relate... and as far as what have i done, I have burped the cooling system 2x, 1st time had a couple bubbles, second time no new air. I have changed the oil, oil filter, spark plugs and gapped them to 1.1mm also cleaned the MAF and the throttle body with CRC MAF cleaner, which ill ask a question about that in a second.

I can try burping/bleeding the cooling system... again... and even though im no expert, i dont think my cooling system is busted, just the tstat or the sender, sending the wrong temp to the gauge... and i also am pretty sure my tstat/sender temp problem is unrelated to the strange idle issue, maybe its not. But its also affecting acceloration too, though its not poping the check engine light.

Im sorry if i seem pursistant, and i do try everything that is reccomended to me to try, but so far no results in curing this issue. Only thing i can think of trying next is fuel supply, along with wanting to fix the temp issue. I must make clear, that despite the fact that the gauge is pegging immediatly after i turn on the car, i know for a fact that the engine is NOT overheating. My issue is that if ever it DID overheat, i wouldnt know because the gauge is sticking to the peg whenever im driving. So i just want to fix it for those hot summer days when im driving erratically and my cooling system does have a problem and starts overheating so i can turn off the car and fix it rather than drive it into the ground...

And as promised, when i cleaned the MAF, it was pretty clean, other than some white oxydizing inside... but the throttle body was horrid. It had black grease as black as black can be, and quite thick and greasy... is that just the EGR pumping exhaust back into the thing, building up carbon over the last 21 year? is that normal? should i take it apart completely and clean it thuroughly? or is that relativly healthy... i assume its natural, but not entirely healthy, and my CRC cleaner wasnt doing it good enough for me.

So i have 3 questiong.
1) How should i fix the temp issue (not overheating)
2) What should i do about a dirty throttle body and TVIS
3) Where should i start in the fuel supply to try and fix the idle issue Filter? Pump? Line???

i pretty much have the same issue as the guy who stared the thread, though the cause might be different, im just trying diligently to fix my problem. forgive me if you consider this hijacking, but maybe fixing my problem will help him fix his as well.

P.S.

I post in different subject areas that are related to my issue, because some people read other areas and not everyone read every area, so im just maximizing my reach of guru's in the forums. And im not some kid, though i might be to some, but im 27 years old, and really trying to learn about this car as much as possible. Im out there a few hours a day trying anything i can think of and anything you (the community) can think of, short of spening hundreds on new parts i cannot afford yet... So far i have spent hundreds on parts and tools and still not fixed the same issue ive been trying to fix since i bought the car, though everything i HAVE done, prolly needed to be done anyways.

Last edited by jsnod25; 10-05-2009 at 10:41 AM..
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