Cruise control and throttle
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Joined: Jul 2004
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From: Montana
Cruise control and throttle
Wonder why we cant use the cruise control as a throttle on our Dodge Cummins like the semis,even other smaller trucks that use this engine use the cruise to set the idle,I think the cruise can only be set after one gets to a certain speed,if we could somehow bypass this speed thing maybe it would work or am I just p*****ing in the wind.
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From: Kansas City, MO
Don't work that way on the 2nd gen. The Cummins engine has it's own computer. Dodge only uses about half of the Cummins computer and uses the Dodge PCM to control the rest of the stuff. The cruise/idle feature is in the portion of the Cummins ECM not used on the Dodge application.
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From: Sandy, Utah
Originally posted by hunter01
It is with great dissapointment that a simple high idle flash just can't be done on a 01.Well back to cable's I guess
It is with great dissapointment that a simple high idle flash just can't be done on a 01.Well back to cable's I guess
It will only come on if its xx degrees out, the coolant is xx degrees and you haven't touched the skinny pedal in xx minutes.
Oh, and you have to have an auto tranny.
phox
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From: Kansas City, MO
Originally posted by hunter01
It is with great dissapointment that a simple high idle flash just can't be done on a 01.Well back to cable's I guess
It is with great dissapointment that a simple high idle flash just can't be done on a 01.Well back to cable's I guess
by this statement. I have an '01 and had it flashed with the high idle feature. Works on mine....
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From: oregon
Originally posted by Mechanos
I have an '01 and had it flashed with the high idle feature. Works on mine....
I have an '01 and had it flashed with the high idle feature. Works on mine....
CJ
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Joined: Jan 2004
Posts: 843
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From: Kansas City, MO
From the TSB:
more reading here
Extended idle operation, especially in cold weather, can lead to stuck valves and bent push-tubes due to insufficient cylinder heat. This allows varnishes/oils to condense on the exhaust valve stems, leading to stuck valves, and damaged valve train components. A new software feature, enabled or disabled through the DRB III (See instructions under Repair Procedure), reduces the chance of valve sticking and improves cab heat warm-up time.
Once enabled, idle speed will slowly ramp up from 800 rpm to 1200 rpm when all of the following conditions are met:
1. Intake Manifold Temperature less than 0°C (32°F) and,
2. Coolant Temp is less than 60°C (140°F) and,
3. The Transmission is in Neutral or Park and,
4. The Service Brake pedal is not depressed and,
5. Throttle = 0% and,
6. Vehicle Speed = 0 mph
Additionally, if Intake Manifold Temperature (IMT) is less than -9°C (15°F), and all of the parameters above are met, three of the cylinders will be shut off upon reaching 1200 rpm, creating a slight change in engine sound which is normal. This allows the engine to create increased heat in the cooling system, allowing more rapid engine warm up and cab heating.
Both features will automatically disable when one of the following occurs:
1. The Automatic Transmission is placed in gear (forward or reverse) or,
2. The Service Brake pedal is depressed or,
3. Throttle position is greater than 0% or,
4. Vehicle Speed is greater than 0 mph or,
5. Coolant Temperature is greater than 79°C (175°F).
Engine speed will return to normal operation at 800 rpm. If the engine continues to idle and coolant temperature is at or below 60°C (140°'F), the feature will reenable. In order to operate properly, the Accelerator Pedal Position Sensor (APPS) must stay at idle.
NOTE: ANY TYPE OF AFTERMARKET IDLE SPEED KICKER THAT ACTIVATES THE APPS WILL DISABLE THIS FEATURE.
Use of the 110V block heater will not allow the feature to function after an overnight soak. If the vehicle is left idling, without use of the block heater, 1200 rpm operation will begin when the intake temperature drops below O°C (32°F) and coolant is less than 60°C (140°F).
Once enabled, idle speed will slowly ramp up from 800 rpm to 1200 rpm when all of the following conditions are met:
1. Intake Manifold Temperature less than 0°C (32°F) and,
2. Coolant Temp is less than 60°C (140°F) and,
3. The Transmission is in Neutral or Park and,
4. The Service Brake pedal is not depressed and,
5. Throttle = 0% and,
6. Vehicle Speed = 0 mph
Additionally, if Intake Manifold Temperature (IMT) is less than -9°C (15°F), and all of the parameters above are met, three of the cylinders will be shut off upon reaching 1200 rpm, creating a slight change in engine sound which is normal. This allows the engine to create increased heat in the cooling system, allowing more rapid engine warm up and cab heating.
Both features will automatically disable when one of the following occurs:
1. The Automatic Transmission is placed in gear (forward or reverse) or,
2. The Service Brake pedal is depressed or,
3. Throttle position is greater than 0% or,
4. Vehicle Speed is greater than 0 mph or,
5. Coolant Temperature is greater than 79°C (175°F).
Engine speed will return to normal operation at 800 rpm. If the engine continues to idle and coolant temperature is at or below 60°C (140°'F), the feature will reenable. In order to operate properly, the Accelerator Pedal Position Sensor (APPS) must stay at idle.
NOTE: ANY TYPE OF AFTERMARKET IDLE SPEED KICKER THAT ACTIVATES THE APPS WILL DISABLE THIS FEATURE.
Use of the 110V block heater will not allow the feature to function after an overnight soak. If the vehicle is left idling, without use of the block heater, 1200 rpm operation will begin when the intake temperature drops below O°C (32°F) and coolant is less than 60°C (140°F).
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