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Are you sure you are getting a misfire? You need to step back your timing in the 1.6-2.8 RPM region (.16-.68 g/cyl). Look at your knock counts in the histogram. Your enrichment ramp in is .0195. Set...

look up a guide on creating a histogram of % error for your AFR. imho it's much easier to work in lambda. search for a tutorial on how to do this as there are a number of how to's and it will make...

I guess this is a tougher fish to fry then I had initially guessed. I feel as though this topic may hit home with a lot of people and the solution may be a mixed bag of issues...

what do you mean by voltage? which sensor?

I've been spinning the wheels in my head trying to figure out how to get rid of the surging with little to no throttle just cruising. I took a good log to show you how bad it gets sometimes. A guru...

your VE table is set to 493 across the board. you didn't copy over your 1 bar settings when you converted to 2 bar. your injector flow rate is 25.2 across the board definitely not right. if you can...

What do you mean modified? As in the input PID? I verified the voltage from 0-5 in hptuners to ensure it was accurate. I'm also using the ngk sensor and not the bosch. You should verify both against...

Hey guys - sorry to revive this from the dead but I'm trying to make sure my numbers are calibrated appropriately.

I see a readout of 1.001, 3.98, .020, 4.85. My low and high voltages are not...

I think I may have identified an issue in this tune. The previous shop that tuned it made a hideous looking injector flow table.. Have a look and see this baby.
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Thanks pur_ssyn. I actually already chopped the underspeed/overspeed tables in half to get less erratic idle. I'm not seeing any knock retard, which is what doesn't make sense as to why timing seems...

you are seeing a bunch of knock retard. have you looked at that? i can't see your afr's so i don't know if you are just too lean in the areas where you are getting knock or have too much timing. i...

Hey guys - I have the car set for SD. I think my VE tuning is pretty well on. I took a number of different passes on the map and the wideband reads +-3 percent around everything. I used Russk's idle...

any advice guys??

I believe I went into a full throttle pull in the log I posted. If not, I can take a separate log once I swap a new serpentine belt. The weird part that I saw was that I have not seen any knock in...

I picked up my 2003 vette [ls6] about a year ago and have just been able to begin tuning it. It has some head work, a medium sized cam that I'm unsure of the specs, forged internals, and 60lb...

hey guys - i'm gearing up to start tuning my 03 z06 with an ls6. it's procharged and already has a tune on the vehicle but i plan to retune it since after adding a tial bov i have noticed some severe...