Bad or No Idle
Hey guys,
DTC is throwing out 0012 - Volume Air Flow Circuit Malfunction. Does this code deal with the mass air sensor? I do have the S-AFC currently plugged in also, I've zero'd the settings in the s-afc. I did some research about this code and it's possible that my mas harness or afc harness may not be plugged in or not correctly wired. My harness for the MAS is a 1g to 2g converstion harness for my 95-96 Summit MAS (I will go with a 501 mas quite soon). The harness is plugged in very good. I have to keep on the gas for the car to idle and even if I let it idle with me on the gas, it doesn't idle well at all. I didn't have the code pop up before DSMLink. BUT, the CEL would go on every time I'd be cruising on the highway and it'd would only go off if I let go of the throttle for a bit and get back on the throttle. I would love to say that it isn't a boost leak that's making me idle like this but I haven't done a boost leak test. I'd like to fix this issue before I go to Shane for a tune. Thanks! mods: e316g 550cc 190 95-96 summit mas fmic s-afc (zero'd out) dsmlink v2 |
Re: Bad or No Idle
try putting in a stock mas, and take out safc since you got link
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Re: Bad or No Idle
Agreed. Take the safc out since that is no longer needed and it will eliminate a potential problem. Does anything change if you unplug the MAF? I'm not sure if the summit MAF's are anything like a 2g maf so that could be an issue also.
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Re: Bad or No Idle
did you add anysensors to the ecu to log with link. might have messed with the signal to the safc from maf or from safc to ecu. I would check that.
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Re: Bad or No Idle
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Thanks! |
Re: Bad or No Idle
Well, I actually had time to do some stuff with the car and switched mas. I switched the summit mas with my HKS 1g mas( the super high flow HKS intake) which has the stock mas wiring as the 1g. At first, I thought it was my 1g-to-2g harness but when I put the HKS in, it still gave out the code. How come the code didn't pop up before I put Link in? My cousin and I were talking about it yesterday and there were a numerous amounts of things that could effect the idling issue; not enough fuel from the injectors, no tune, something electrical, wire harness from ecu or safc to ecu, the o2 sensor. But if it's still throwing out the "0012 - Volume Air Flow Circuit Malfunction"...does that mean both of my mas' are not good OR is the 1g-to-2g harness not good OR is it something else.
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Re: Bad or No Idle
I'm gonna bump this back up.
I switch MAS with the stock mas and the code still pops up. But, logging the car, I can see that my TPS volts are at .49v...which is relatively low compared to where it should be at (.63v). I'm really hoping it's the mas and the TPS just needs to be adjusted. help is much appreciated as this day is the only day I have to play around with the car :( thanks! |
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