Rtek free rev tuning issue
10-04-13, 10:10 PM
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free rev tuning issue
I had this posted under 2nd gen but figured it would get seen by more rtek guys under this
car is t2 converted vert. running rtek 2.1 w. 550s fmic 3in exhaust aem wideband
first off id like to say I'm new at tuning. I have done a lot of reading and I'm trying to start rich and work my way down but...... the cars running very lean. I haven't gotten past free rev tuning it.
at idle (7-800) it's leaned out ---
1300 15ish
1500 13
1800 14
2000 17.9-18
2500 ---
I have turned up the injectors a fair amount. between 2k-3k I have them maxed out and I'm still full lean...
I thought may be something's up with rtek. so I through the stock ECU on it. started right up idles at 14.5 I started to slowly give it throttle and up to 2500 it was around low 14... than it kinda just went full lean let off the throttle and it stayed full lean. didn't change after the initial start and 10 seconds of running
the wideband is connected correctly, there's no exhaust leaks, sensors new. so I don't think the gauge is off....
should I try bigger injectors? may be 4x720s?
could a sensor be bad? 02? may be maf?
I tried kicking the secondaries on at 3k and it put it to low 12s at free rev... but it was leaned out below 3k
car is t2 converted vert. running rtek 2.1 w. 550s fmic 3in exhaust aem wideband
first off id like to say I'm new at tuning. I have done a lot of reading and I'm trying to start rich and work my way down but...... the cars running very lean. I haven't gotten past free rev tuning it.
at idle (7-800) it's leaned out ---
1300 15ish
1500 13
1800 14
2000 17.9-18
2500 ---
I have turned up the injectors a fair amount. between 2k-3k I have them maxed out and I'm still full lean...
I thought may be something's up with rtek. so I through the stock ECU on it. started right up idles at 14.5 I started to slowly give it throttle and up to 2500 it was around low 14... than it kinda just went full lean let off the throttle and it stayed full lean. didn't change after the initial start and 10 seconds of running
the wideband is connected correctly, there's no exhaust leaks, sensors new. so I don't think the gauge is off....
should I try bigger injectors? may be 4x720s?
could a sensor be bad? 02? may be maf?
I tried kicking the secondaries on at 3k and it put it to low 12s at free rev... but it was leaned out below 3k
10-05-13, 10:32 AM
#2
1: free rev tuning is essentially useless.
2: Check for proper calibration of your TPS.
3: Is the more ported? Turbo or NA rotors?
4: Make sure the TPS signal to the ECU is nice and smooth (view graph with ign on but engine not running and slowly move the throttle and make sure graph matches)
5: make sure your MAP sensor is working properly as well.
2: Check for proper calibration of your TPS.
3: Is the more ported? Turbo or NA rotors?
4: Make sure the TPS signal to the ECU is nice and smooth (view graph with ign on but engine not running and slowly move the throttle and make sure graph matches)
5: make sure your MAP sensor is working properly as well.
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