Search:

Ok. Will do. Exactly the kinda of tips I need.

Also thinking forward about getting a wideband. I guess I would need to weld in another bung (or two?). Or can you run the wideband in place of narrow band for tuning full throttle then switch back?...

Here's the log from my first "real" drive.

Yes, it was a cold start log. I took it for about a ten mile drive this morning. Everything looked and felt good. The idle is a tad bit low.

I have watched a ton of videos. Still haven't done my...

It turned out that I had the wrong o2 sensors. Don't know how I managed that. Lol! I got them early in the journey. Lesson learned. Put new ones in and it's working perfectly. Fuel trims are almost...

You're definitely onto something here. The sensor voltage is already added to my default scanner channels.. I looked at a log file of my truck and it's reporting it there. What settings should I look...

Shouldn't I get a code if the sensor voltages are off? I don't believe I have reporting turned off.

Ok. Would that mean bad sensors or wiring problem? Sensors are both new. Maybe scanner not set up correctly? I'm using the default scanner setup.

It looks to me like it is adding fuel at idle thinking it's lean when it's really rich. I don't think I have any exhaust leaks. I do have ball and flange collectors. Could it be leaking some oxygen...

This morning I started it with the MAF disconnected. It started and idled fine. Shut it off and connected the MAF. Started and idled fine. I had been disconnecting the battery each evening to be safe...

2000 5.3 btw.

121648

Newbie to late model tuning needs help here. I just got done converting my ?64 GTO to LS platform. I bought a high mile 5.3 with harness and PCM from a friend. I stripped all the electronic trans,...