EFIDynoTuning Forum

Hello, just getting back to messing with my car after about 3yrs so a little rusty. tune wasn't dialed in then either but the basics were there, ran OK when warm, in the meantime QH battery dies and hard drive dies so starting over again. only driven a few miles this year, to the gas station. Anyway, it started running progressively worse, pulled driver side plugs and very black, running rich. didn't look at passengers yet. HEGO's did not seem to be moving as i would expect So clear the kam and forced open loop just to see if helped to run better. It defiantly did, so it was learning but probably the wrong direction.

Here are what my hegos are doing at idle. Yellow is Hego2 and Teal is Hego1 which is basically at zero volts (lean) then jumps up to .56v at 2 different time. this is accompanied by a muted pop in the exhaust too. Anyone have an hint what is going on? Replace Hego?

visuals do nothing for me I'm more of a numerical or playback person

best bet is to use tunerpro so the log is better detailed to see exactly whats going on

Ok, i will try to log with TP and post up the same condition for you. Have it installed just not ever used it.

Thanks,