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The Aerocommander for RMKs is a different creature than the E-TEC. On the E-TEC, the first 3 modes emulate the jets on a carburetor: Mode 1: Green = Pilot Jet. Mode 2: Yellow = Needle. Mode 3: Red = Main Jet
The RMK is different:
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EDIT updated with a write-up provided by Dobeck Performance
RMK Aerocommander Programming Modes
Mode 1: Green - Adds or removes fuel from Idle to the Yellow range - it can remove up to 10% fuel, or add up to 20%. If the mode on the controller is set to Light Position 3, this will be stock fueling.
Mode 2: Yellow - Removes fuel from -30% to 0% to activate the sled's low rpm and high throttle position (all the way right, it is pulling no fuel. All the way left, it is pulling 30%.) This mode should rarely be active, but it can help clean up any stumbles in the bottom, or any lag before the turbo is spooled up. If the mode on the controller is set to Light Position 8, this will be stock fueling.
Mode 3: Red - Adds 0 to 15% fuel at 7000 rpm (high cruise to WOT trim on the stock injector). If this settings is too rich, there will be a bog when going from WOT to off then back to WOT. If the mode on the controller is set to Light Position 0.5, this will be stock fueling.
Mode 4: Green/Blue - Max boost fuel. This mode adjusts fuel for the auxiliary injector from 3ms to 8ms (37.5% to 100%.)
Mode 5: Yellow/Blue - This mode will adjust the sensitivity of the Yellow range turning on. Yellow should only be active when the throttle position is high and rpms are low at the same time (IE braapping around- short and fast throttle bursts). This mode is acting like an accelerator pump that will remove fuel. As soon as boost pressure is detected, this mode will be deactivated. The higher this is set towards Light Position 8, the more throttle movement needed to engage the yellow mode. The lower this is set, the less throttle movement it will take to activate the Yellow range.
Mode 6: Red/Blue - The red switch point. This adjusts when the controller detects boost. It is adjustable by 0.5 psi to the left, and 2 psi to the right. This mode will have a huge effect on the in and out of throttle at wide open as well. If pressure fuel comes in too early, then there will be a hesitation.
There is a balance between red & green/blue & red/blue to achieve a crisp clean in & out throttle.
Aerocharger's default RMK Aerocommander settings: (.5 = two lights flashing. If lights four and five are flashing together, it is 4.5):
Green: 4.5
Yellow: 4
Red: 3
Green/Blue: 4.5
Yellow/Blue: 6
Red/Blue: 5.5
Troubleshooting:
When the sled is running, the LEDs that are lit indicate the zones that are adding fuel. Light/Mid cruise are green LEDs. High cruise are Red LEDs. Anytime the controller sees boost, the eighth LED will display Blue. If the sled is having a running issue (any bog, hesitation, lean or rich condition), adjust the mode that is on when the condition happens.
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We can't 100% say there isn't an issue somewhere else in the system, but let's get the fuel controller set back to the baseline so we can help you get your sled working like it's supposed to.
