Too rich - Page 2 - Hyundai Genesis Forum
Technical Tuning of EMS/EFI This section is reserved for discussion about the electronic tuning specifics for the Genesis vehicles.

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post #11 of 18 Old 07-01-2010, 05:01 PM
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Did you put the stock injectors back in?
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post #12 of 18 Old 07-01-2010, 10:36 PM Thread Starter
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No I am running way lean with the stock stuff.
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post #13 of 18 Old 07-04-2010, 08:40 AM Thread Starter
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I did some logging last night. When the AF goes pig rich the Injector DC out goes blank displaying --.-- and Lambda pegs at .68. TP is correct and consistent. RPM is around 5600 but this does not always happen every time I hit 5600 rpm

I'm thinking the --.-- display/ .68 lambda is from the data going to 100%. The fuel tables are all populated at the same value of .76 in tat rpm range.

Last edited by Red Raspberry; 07-05-2010 at 01:43 PM.
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post #14 of 18 Old 07-05-2010, 08:01 AM Thread Starter
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Well found out my problem was the CAN termination plug was not installed.
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post #15 of 18 Old 07-05-2010, 12:30 PM
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Quote:
Originally Posted by Red Raspberry View Post
Well found out my problem was the CAN termination plug was not installed.
Good to know you got the problem fixed... any word on when CMD will be able to adjust timing?
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post #16 of 18 Old 07-11-2010, 08:44 PM Thread Starter
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Well that was not the problem.

The problem was I did not have my fuel trim table 100% populated by at least .70 as a minimum.
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post #17 of 18 Old 07-14-2010, 12:30 PM
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Just ran into a similar issue after loading my old 20psi map today. I was going to 100% duty cycle and the car would bog down big time. Disabled autotune and all was fine. I'll adjust the maps when I get some time and see if the problem comes back.
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post #18 of 18 Old 07-15-2010, 12:47 PM Thread Starter
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Yes, after a day out "testing" I don't believe the CMD can handle the larger injectors and the sudden change back and forth between closed loop/constant throttle and open loop/ WOT.

Auto tune just keeps correcting itself, rich this time leaner the next.
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