ACD Pump/Sputters in WOT - EvoXForums.com - Mitsubishi Lancer Evolution X Forums
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S-AWC System For discussion of the S-AWC system and it's components including (but not limited to) driveshafts, differentials, programming, etc.

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Old 07-14-2019, 04:53 AM   #1
midenginer2
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ACD Pump/Sputters in WOT

Looking for some advice/help with two issues I am currently having.*



1. Tarmac/Gravel/Snow light is flashing. From everything I have read this is a sign that the ACD pump is going out. I took it to my local Mitsu dealer and they told me everything is working fine and there are no issues, but could not explain the light flashing. What would cause this if not the pump going out? Is the dealer just trying get out of a warranty job?*



2. Under wide open throttle, when boost kicks in, the car start to sputter quite noticably, and sometimes it almost feels like the rear end is going to lock up. The car drives perfect when doing anything other than WOT. Could this be related to the T/G/S light flashing? Fuel pump? Turbo? I am not sure where to start and any help would be much appreciated



Thanks!*
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Old 07-14-2019, 01:06 PM   #2
Wertigo
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Quote:
Originally Posted by midenginer2 View Post
Looking for some advice/help with two issues I am currently having.*



1. Tarmac/Gravel/Snow light is flashing. From everything I have read this is a sign that the ACD pump is going out. I took it to my local Mitsu dealer and they told me everything is working fine and there are no issues, but could not explain the light flashing. What would cause this if not the pump going out? Is the dealer just trying get out of a warranty job?*



2. Under wide open throttle, when boost kicks in, the car start to sputter quite noticably, and sometimes it almost feels like the rear end is going to lock up. The car drives perfect when doing anything other than WOT. Could this be related to the T/G/S light flashing? Fuel pump? Turbo? I am not sure where to start and any help would be much appreciated



Thanks!*
blinking modes termak gravel snow. This means that the pump creates a low pressure to operate these modes. these are the initial symptoms of dying pump. there will be an error on the all-wheel drive.
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Old 07-14-2019, 01:07 PM   #3
Wertigo
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the dealer will go away from the warranty case. for it is necessary in the process of driving to see what pressure the pump creates. minimum pressure 14 bar !!!
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