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Thread: idle issue

  1. #1
    Established Member Two Rings 613b8s4's Avatar
    Join Date
    Jun 30 2022
    AZ Member #
    742443
    My Garage
    2011 6MT S4, 2021 Explorer ST
    Location
    Ottawa Ontario

    idle issue

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    ive noticed when coming to a stop and idling my car suddenly drops about 60-70 rpms for a second then goes back to idling normally around 680 rpm. has anyone experience this sort of hiccup or knows what might be causing it?
    2011 6MT PHANTOM BLACK PEARL, 034 STAGE 2+ WMI 034 INTAKE 034 MOTORSPORT ENGINE MOUNTS 034 DRIVETRAIN MOUNTS BILSTEIN B8 SHOCKS 034 STRUT MOUNTS H&R SPORT SPRINGS CTS HX CTS CATBACK EXHAUST CAP TEST PIPES CAP V2 CARBON DIFFUSER CAP HIGH KICK CARBON SPOILER iABED THROTTLE BODY JXB SS INSTA: @613_B8S4

  2. #2
    Veteran Member Four Rings RPMtech147's Avatar
    Join Date
    Apr 05 2014
    AZ Member #
    176007
    Location
    Texas

    Wait for a fault. Many failures can cause an erratic idle. I wouldn't worry about about 60-70rpm.
    B6 S4, B8 A4, 8P A3, and something, something.

  3. #3
    Veteran Member Four Rings RoofRails's Avatar
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    Apr 29 2018
    AZ Member #
    417907
    Location
    Maryland

    Quote Originally Posted by 613b8s4 View Post
    ive noticed when coming to a stop and idling my car suddenly drops about 60-70 rpms for a second then goes back to idling normally around 680 rpm. has anyone experience this sort of hiccup or knows what might be causing it?
    Scan it for soft codes.

    Sent from my SM-S908U1 using Audizine Forum mobile app
    2015 Q5 3.0T S-Line | Glacier White |10.96 @ 126mph ! | 034 Stage 2+ E40 octane tune | Fluid Damper Crank Pulley 200mm / Griptech 60mm SC Pulley | Jokers Ported blower with APR UC TB | BG SQ5-HPT TCU tune| Snow WMI injection kit 400cc @ TB, 300cc @ BPV | Merc Racing C7 HX / CWA 100-3 pump 100% DC | APR open intake W/carbon UC pipe | Vogtland Springs | Nuespeed RS102 20/9.5/et25 rims |

  4. #4
    Established Member Two Rings 613b8s4's Avatar
    Join Date
    Jun 30 2022
    AZ Member #
    742443
    My Garage
    2011 6MT S4, 2021 Explorer ST
    Location
    Ottawa Ontario

    how do I do that lol

    Quote Originally Posted by RoofRails View Post
    Scan it for soft codes.

    Sent from my SM-S908U1 using Audizine Forum mobile app
    2011 6MT PHANTOM BLACK PEARL, 034 STAGE 2+ WMI 034 INTAKE 034 MOTORSPORT ENGINE MOUNTS 034 DRIVETRAIN MOUNTS BILSTEIN B8 SHOCKS 034 STRUT MOUNTS H&R SPORT SPRINGS CTS HX CTS CATBACK EXHAUST CAP TEST PIPES CAP V2 CARBON DIFFUSER CAP HIGH KICK CARBON SPOILER iABED THROTTLE BODY JXB SS INSTA: @613_B8S4

  5. #5
    Veteran Member Four Rings RoofRails's Avatar
    Join Date
    Apr 29 2018
    AZ Member #
    417907
    Location
    Maryland

    Quote Originally Posted by 613b8s4 View Post
    how do I do that lol
    I would suggest that you buy yourself a OBD Eleven or equivalent OBD code reader. If you have a 034 tune and flashloader there is a code scanning feature built into their software interface. These engines monitor a ton of points and the majority of them will not trigger a CEL when the ECU detects a problem so a scanning tool of some sort is a must have.

    Sent from my SM-S908U1 using Audizine Forum mobile app
    2015 Q5 3.0T S-Line | Glacier White |10.96 @ 126mph ! | 034 Stage 2+ E40 octane tune | Fluid Damper Crank Pulley 200mm / Griptech 60mm SC Pulley | Jokers Ported blower with APR UC TB | BG SQ5-HPT TCU tune| Snow WMI injection kit 400cc @ TB, 300cc @ BPV | Merc Racing C7 HX / CWA 100-3 pump 100% DC | APR open intake W/carbon UC pipe | Vogtland Springs | Nuespeed RS102 20/9.5/et25 rims |

  6. #6
    Established Member Two Rings 613b8s4's Avatar
    Join Date
    Jun 30 2022
    AZ Member #
    742443
    My Garage
    2011 6MT S4, 2021 Explorer ST
    Location
    Ottawa Ontario

    So I scanned it and this is what comes up.


    Freeze Frame Report ***
    ******
    Motor Control --- Engine
    P156800
    <FreezeFrameDataSet: 0x28337f420>
    ******
    P142600
    <FreezeFrameDataSet: 0x2833007e0>
    ******
    P10A600
    <FreezeFrameDataSet: 0x2833ae740>
    ******
    P044100
    <FreezeFrameDataSet: 0x28335c9a0>
    ******
    ******
    ABS / DSC / Brake --- ABS Brakes
    P0522
    <FreezeFrameDataSet: 0x283e25e60>
    ******
    P01D9
    <FreezeFrameDataSet: 0x283eb7960>
    ******
    ******
    ABS / DSC / Brake --- Parking Brake
    P0982
    <FreezeFrameDataSet: 0x283cf3ac0>
    ******
    P0522
    <FreezeFrameDataSet: 0x283310980>
    ******
    ******
    Instrumentation --- Instruments
    P0522
    <FreezeFrameDataSet: 0x2833d3000>
    ******
    ******
    Heating / AC --- Auto HVAC
    P0522
    <FreezeFrameDataSet: 0x2833e7480>
    ******
    ******
    Audio / Navigation / Communication --- Radio
    P0CCE
    <FreezeFrameDataSet: 0x28327d300>
    ******
    ******
    Systems --- Access/Start Authorization
    P0CD5
    <FreezeFrameDataSet: 0x28327a260>
    ******
    P0532
    <FreezeFrameDataSet: 0x283262900>
    ******
    ******
    Systems --- Central Electronic
    P03D3
    <FreezeFrameDataSet: 0x28328b8c0>
    ******
    P0522
    <FreezeFrameDataSet: 0x2832895a0>
    ******
    ******
    Systems --- CAN Gateway
    P0522
    <FreezeFrameDataSet: 0x2832809c0>
    ******
    ******
    Systems --- Lane change
    P0B25
    <FreezeFrameDataSet: 0x28329bcc0>
    ******
    ******
    Systems --- Information Electr
    P0CCE
    <FreezeFrameDataSet: 0x283296f00>
    ******
    ******
    Other --- Comfort System
    P061D
    <FreezeFrameDataSet: 0x283d6c9a0>
    ******
    P0522
    <FreezeFrameDataSet: 0x283d7a660>
    ******


    Sent from my iPhone using Audizine Forum
    2011 6MT PHANTOM BLACK PEARL, 034 STAGE 2+ WMI 034 INTAKE 034 MOTORSPORT ENGINE MOUNTS 034 DRIVETRAIN MOUNTS BILSTEIN B8 SHOCKS 034 STRUT MOUNTS H&R SPORT SPRINGS CTS HX CTS CATBACK EXHAUST CAP TEST PIPES CAP V2 CARBON DIFFUSER CAP HIGH KICK CARBON SPOILER iABED THROTTLE BODY JXB SS INSTA: @613_B8S4

  7. #7
    Veteran Member Four Rings RoofRails's Avatar
    Join Date
    Apr 29 2018
    AZ Member #
    417907
    Location
    Maryland

    Quote Originally Posted by 613b8s4 View Post
    So I scanned it and this is what comes up.


    Freeze Frame Report ***
    ******
    Motor Control --- Engine
    P156800
    <FreezeFrameDataSet: 0x28337f420>
    ******
    P142600
    <FreezeFrameDataSet: 0x2833007e0>
    ******
    P10A600
    <FreezeFrameDataSet: 0x2833ae740>
    ******
    P044100
    <FreezeFrameDataSet: 0x28335c9a0>
    ******
    ******
    ABS / DSC / Brake --- ABS Brakes
    P0522
    <FreezeFrameDataSet: 0x283e25e60>
    ******
    P01D9
    <FreezeFrameDataSet: 0x283eb7960>
    ******
    ******
    ABS / DSC / Brake --- Parking Brake
    P0982
    <FreezeFrameDataSet: 0x283cf3ac0>
    ******
    P0522
    <FreezeFrameDataSet: 0x283310980>
    ******
    ******
    Instrumentation --- Instruments
    P0522
    <FreezeFrameDataSet: 0x2833d3000>
    ******
    ******
    Heating / AC --- Auto HVAC
    P0522
    <FreezeFrameDataSet: 0x2833e7480>
    ******
    ******
    Audio / Navigation / Communication --- Radio
    P0CCE
    <FreezeFrameDataSet: 0x28327d300>
    ******
    ******
    Systems --- Access/Start Authorization
    P0CD5
    <FreezeFrameDataSet: 0x28327a260>
    ******
    P0532
    <FreezeFrameDataSet: 0x283262900>
    ******
    ******
    Systems --- Central Electronic
    P03D3
    <FreezeFrameDataSet: 0x28328b8c0>
    ******
    P0522
    <FreezeFrameDataSet: 0x2832895a0>
    ******
    ******
    Systems --- CAN Gateway
    P0522
    <FreezeFrameDataSet: 0x2832809c0>
    ******
    ******
    Systems --- Lane change
    P0B25
    <FreezeFrameDataSet: 0x28329bcc0>
    ******
    ******
    Systems --- Information Electr
    P0CCE
    <FreezeFrameDataSet: 0x283296f00>
    ******
    ******
    Other --- Comfort System
    P061D
    <FreezeFrameDataSet: 0x283d6c9a0>
    ******
    P0522
    <FreezeFrameDataSet: 0x283d7a660>
    ******


    Sent from my iPhone using Audizine Forum
    Here is my best guess since you posted a whole string of codes and didn't define them. How old is your battery ? If your system voltage gets low due to a bad alternator or battery it can throw a bunch of random codes that have no relation to one another other then the sensors experienced a under voltage condition.

    Sent from my SM-S908U1 using Audizine Forum mobile app
    2015 Q5 3.0T S-Line | Glacier White |10.96 @ 126mph ! | 034 Stage 2+ E40 octane tune | Fluid Damper Crank Pulley 200mm / Griptech 60mm SC Pulley | Jokers Ported blower with APR UC TB | BG SQ5-HPT TCU tune| Snow WMI injection kit 400cc @ TB, 300cc @ BPV | Merc Racing C7 HX / CWA 100-3 pump 100% DC | APR open intake W/carbon UC pipe | Vogtland Springs | Nuespeed RS102 20/9.5/et25 rims |

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