MSPNP MSPNP specific Megasquirt related discussion.

NB MSPNP startup issues/fine tuning

Thread Tools
 
Search this Thread
 
Old 05-20-2015, 01:32 PM
  #21  
Elite Member
iTrader: (4)
 
psyber_0ptix's Avatar
 
Join Date: Mar 2012
Location: Northern VA
Posts: 4,648
Total Cats: 544
Default

It's stalling before the car has warmed up? How's your AFR? pig rich, lean? Does your idle surge?
psyber_0ptix is offline  
Old 05-20-2015, 01:36 PM
  #22  
VladiTuned
iTrader: (76)
 
18psi's Avatar
 
Join Date: Apr 2008
Posts: 35,821
Total Cats: 3,481
Default

REad the diyautotune writeups on tuning, that should get you started. read the threads on here about tuning. autotune is something the n00bs latch onto and regurgitate here as if it "automatically tunes your whole ecu". It doesn't. it's just a cool little program to help you dial in a rough fuel table.

you need to calibrate all your sensors. you need to make sure wideband communicates w/ ms and they match. you need to do the idle valve test. then tune idle ve and closed loop idle settings. THEN you start autotuning
18psi is offline  
Old 05-20-2015, 02:00 PM
  #23  
Junior Member
Thread Starter
 
emericareaper2's Avatar
 
Join Date: May 2015
Posts: 80
Total Cats: 1
Default

^I calibrated my sensors & re-checked timing. Now it just sounds like it's running on 3 cylinders. I give up. I'm so confused still even after reading almost all day. I'm going to see if I can get a local to come help me out.
emericareaper2 is offline  
Old 05-20-2015, 02:11 PM
  #24  
Elite Member
iTrader: (4)
 
psyber_0ptix's Avatar
 
Join Date: Mar 2012
Location: Northern VA
Posts: 4,648
Total Cats: 544
Default

Originally Posted by emericareaper2
^I calibrated my sensors & re-checked timing. Now it just sounds like it's running on 3 cylinders. I give up. I'm so confused still even after reading almost all day. I'm going to see if I can get a local to come help me out.
This is how I feel about my project at this point. I shouldn't be allowed to touch my car anymore.
psyber_0ptix is offline  
Old 05-20-2015, 02:20 PM
  #25  
VladiTuned
iTrader: (76)
 
18psi's Avatar
 
Join Date: Apr 2008
Posts: 35,821
Total Cats: 3,481
Default

It's a steep curve, don't let anyone tell you it's not. The bottom line is: do you want to spend hours/days/weeks/months reading and learning and then hours/days/weeks applying the knowledge, observing the results, learning from them, and making corrections as needed

or

Find a competent tuner, drop the car off with him, pay him his rate, and pick it up done?
18psi is offline  
Old 05-20-2015, 02:23 PM
  #26  
Junior Member
Thread Starter
 
emericareaper2's Avatar
 
Join Date: May 2015
Posts: 80
Total Cats: 1
Default

It's just better/easier knowing your expensive **** is in good hands. I went through the same thing with my old RSTi & my WRX. I could never get either of them tuned. Both always had some small problem that wouldn't let me simply put a tune on them. Sometimes, it's just easier having somebody (who knows their ****) make your ****, not as shitty.
emericareaper2 is offline  
Old 05-20-2015, 02:25 PM
  #27  
Junior Member
Thread Starter
 
emericareaper2's Avatar
 
Join Date: May 2015
Posts: 80
Total Cats: 1
Default

Well....now I feel like a dumbass. Apparently, launch control was on. I have no idea why but once I turned it off & power cycled, it runs perfect now. I drove it around for a while letting TS autotune & that also helped quite a bit with the idle.
emericareaper2 is offline  
Old 05-20-2015, 02:51 PM
  #28  
Elite Member
iTrader: (4)
 
psyber_0ptix's Avatar
 
Join Date: Mar 2012
Location: Northern VA
Posts: 4,648
Total Cats: 544
Default

I didn't think folks autotuned idle. Maybe the idle smoothed out after warming up which would point to warm up enrichment?
psyber_0ptix is offline  
Old 05-20-2015, 03:12 PM
  #29  
Junior Member
Thread Starter
 
emericareaper2's Avatar
 
Join Date: May 2015
Posts: 80
Total Cats: 1
Default

It doesn't but that may be why. I still need to adjust the idle a hair as it surges a bit.
emericareaper2 is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
StratoBlue1109
Miata parts for sale/trade
21
09-30-2018 01:09 PM
tazswing
Race Prep
20
10-03-2015 11:04 AM
The Gleas
MEGAsquirt
3
10-01-2015 09:30 AM
brandonbkd
MEGAsquirt
0
09-28-2015 11:52 PM
itsMikey
MSPNP
3
09-28-2015 06:40 AM



Quick Reply: NB MSPNP startup issues/fine tuning



All times are GMT -4. The time now is 02:39 AM.