-also, not sure if you know, but is there a way to get Torque to scan in mV instead of V?
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-also, not sure if you know, but is there a way to get Torque to scan in mV instead of V?
not sure, used the t app for very basic things.
you could try this app, it does live data. and abs codes and air bag codes ect ect. ChevroSys Scan Free - Apps on Google Play
I tried that app this evening after work, but it didn't want to read my MAF at all, and seemed to think I had a stored p code for just about every sensor on the car , but wasn't throwing a cel for any of them. I'll try it again when I have more time to invest. But so far it seems to not work well for me. Good news is that it agrees with torque about my hosed FT's. 🙄Quote:
Originally Posted by Scottydoggs
The thot plickens.....I checked fuel pressure yesterday under a few different scenarios- key on engine off (48ish psi), motor running at idle (38 ish), and after sitting for about 10 minutes with the key out (gradually dropped from 48-25 or so after about 7 mins of holding steady). I recalled that I never put an oe MAF back in it when I replaced mine, and was at the JY today, so I grabbed one. hard to say, as I don't think I've driven it enough since putting the oe maf in, but I've seen ltft's go back to -22 ish.
After combing back through a month's worth of data logs, I (surprise) have another question or two- what is the difference between the hO2s pid and the B1S2 pid readings? aren't the basically the same for an l67, aside from one showing in V, and one showing in mV? Either way, I'm seeing consistently lower than expected O2 numbers (never .9V, and some as low as .05V). There is fluctuation, but it seems slow and other than the extreme lows occasionally, it has not been enough to trigger a code. I've never had O2 sensors slowly move out of spec, just trip a light as if they've suddenly gone out. Is that even possible, or am I barking up the wrong tree worrying about the O2's?
Checked the Evap sensor over the weekend by capping the port at the throttle body, and still it goes up to neg 22.7 on ltft. Checked for loose vacuum lines from the map>T>fp regulator>BBS- all good. At this point, I believe I've checked or replaced all the usual/ potential suspects for a rich condition other than the gas cap and the ICM & coil packs. I seriously doubt it's the gas cap, but cheap enough to replace, I suppose, and I've never heard it "hiss" when removing it. GM coil packs and ICM are a chunk of change I'd rather not spend, unless parts off of a JY car are more likely than not to last at least a few months. I also have not checked compression, but with the car otherwise pulling hard and not having any notable performance issues (other than the occasional moving 2-4 misfire count, leading me back to the ICM), I can't see a lot of reason to think there is a compression issue.