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Thread: Overboost 17965 p1557 35-00 @ 35-10

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  1. Overboost 17965 p1557 35-00 @ 35-10 
    #1
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    Hi
    Car is going into over boost
    Mr muscled the turbo 3 times
    Actuator arm moves freely with no sticky spots
    Car has vac line simplicated
    So only running n75
    From vacuum pump to n75
    Then line to actuator
    When I take the vaccum of on idle,the actuator drops away as it should
    Does not seem to be sticking
    Unplugged Maf didn't make any difference
    Cleaned Map Sensor
    Egr is deleted
    Could it be a worn turbo,sounds perfect,no whining or grinding and when boost is working car pulls great

    Log from my car idling
    Address 01: Engine (038 906 019 CF)
    14:28:46 Group 011: Charge pressure control (3rd gear - 3000rpm - full load)
    882 /min Engine speed 2850-3150
    1040.4 mbar Spec. intake press. 2200-2400
    2983.5 Actual intake press. 2100-2600
    92.4 % D.cycle MAP 35-80%

    14:28:46 Group 010: Air system (3rd gear - 3000rpm - full load)
    441.0 mg/str MAF 900-1250
    999.6 mbar Atmos. pressure sensor -f96-
    2983.5 Intake air press. 2100-2600
    0.0 % Throttle 100%

    14:28:46 Group 009: Injected Quantity Limitation
    882 /min Engine speed rpm
    0.0 mg/str Injection Quantity CC active
    Inj. limit during a/t shift
    25.0 mg/str Max IQ

    Thanks
     
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  2. Re: Overboost 17965 p1557 35-00 @ 35-10 
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    I think the MAP section of the Thrust sensor is sticking and over reading, check it using measuring blocks 011 block 3 in graph mode. By the way, Mr Muscle is water based and causes the turbine shaft piston rings to rust and dump oil into the exhaust.
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
     
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  3. Re: Overboost 17965 p1557 35-00 @ 35-10 
    #3
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    Thank you for the reply crasher
    Yes I notice in block 11 that actual intake pressure is consistently measuring 2983.5
    I do have an Egr delete, would this have an influence on that reading?
    I done a run tonight and logged it but its only in the format below?
    Is this any good to you?

    I can delete this if it means nothing

    Saturday,04,April,2020,21:10:15:62939,VCDS Version: Release 12.12.0 (x64),Data version: 20130910
    038 906 019 CF,,1.9l R4 EDC G000SG 1414,

    ,Group A:,'010,,,,Group B:,'010,,,,Group C:,'011
    ,,MAF,Atmos. pressure,Intake air press.,Throttle,,MAF,Atmos. pressure,Intake air press.,Throttle,,Engine speed,Spec. intake press.,Actual intake press.,D.cycle MAP
    ,TIME,900-1250,sensor -f96-,2100-2600,100%,TIME,900-1250,sensor -f96-,2100-2600,100%,TIME,2850-3150,2200-2400,2100-2600,35-80%
    Marker,STAMP, mg/str, mbar,, %,STAMP, mg/str, mbar,, %,STAMP, /min, mbar,, %
    ,0.02,465.5,999.6,2983.5,0.0,0.32,441.0,999.6,2983 .5,0.0,0.65,882,1050.6,2983.5,19.9
    ,0.96,445.9,999.6,2983.5,0.0,1.28,455.7,999.6,2983 .5,0.0,1.62,882,1040.4,2983.5,19.9
    ,1.95,445.9,999.6,2983.5,0.0,2.30,455.7,999.6,2983 .5,0.0,2.67,903,1111.8,2983.5,19.9
    ,3.03,475.3,999.6,2983.5,9.8,3.38,480.2,999.6,2983 .5,11.8,3.73,1008,1162.8,2983.5,19.9
    ,4.07,504.7,999.6,2983.5,14.1,4.41,490.0,999.6,298 3.5,24.3,4.77,1407,1305.6,2983.5,92.8
    ,5.13,485.1,999.6,2983.5,42.4,5.48,524.3,999.6,298 3.5,43.5,5.84,2310,1224.0,2983.5,94.4
    ,6.19,499.8,999.6,2983.5,0.0,6.53,548.8,999.6,2983 .5,14.9,6.87,1470,1764.6,2983.5,77.3
    ,7.20,490.0,999.6,2983.5,72.2,7.56,509.6,999.6,298 3.5,73.3,7.90,1911,2244.0,2983.5,80.1
    ,8.29,543.9,999.6,2983.5,75.7,8.65,553.7,999.6,298 3.5,76.1,9.02,2394,2335.8,2983.5,90.8
    ,9.42,602.7,999.6,2983.5,75.3,9.89,622.3,999.6,298 3.5,75.3,10.37,3003,2244.0,2983.5,94.4
    ,10.77,744.8,999.6,2983.5,65.1,11.16,784.0,999.6,2 679.3,61.2,11.53,3633,1672.8,2620.8,94.4
    ,11.89,583.1,999.6,2983.5,0.0,12.25,573.3,999.6,29 83.5,0.0,12.61,2163,999.6,2983.5,40.6
    ,12.96,607.6,999.6,2983.5,38.4,13.28,588.0,999.6,2 983.5,62.7,13.60,2415,2335.8,2983.5,81.7
    ,13.94,637.0,999.6,2983.5,80.0,14.26,646.8,999.6,2 983.5,80.4,14.59,2625,2346.0,2983.5,92.0
    ,14.93,671.3,999.6,2983.5,80.8,15.28,700.7,999.6,2 983.5,80.8,15.65,2856,2346.0,2983.5,94.4
    ,15.99,754.6,999.6,2983.5,80.8,16.34,774.2,999.6,2 983.5,80.4,16.69,3108,2346.0,2983.5,94.0
    ,17.05,833.0,999.6,2983.5,80.0,17.41,872.2,999.6,2 983.5,80.0,17.77,3402,2346.0,2983.5,93.6
    ,18.15,935.9,999.6,2983.5,80.0,18.50,950.6,999.6,2 983.5,77.6,18.85,3675,2346.0,2983.5,94.0
    ,19.21,911.4,999.6,2983.5,73.7,19.55,744.8,999.6,2 983.5,72.5,19.89,3612,1060.8,2983.5,92.4
    ,20.22,490.0,999.6,2983.5,0.0,20.54,480.2,999.6,29 83.5,0.0,20.84,2499,1009.8,2983.5,92.4
    ,21.19,441.0,999.6,2983.5,28.6,21.54,504.7,999.6,2 983.5,65.9,21.89,2520,1764.6,2983.5,92.4
    ,22.25,485.1,999.6,2983.5,9.0,22.60,470.4,999.6,29 83.5,0.0,22.95,2499,1009.8,2983.5,92.4
    ,23.31,445.9,999.6,2983.5,0.0,23.67,436.1,999.6,29 83.5,0.0,24.03,2457,1030.2,2983.5,92.4
    ,24.41,445.9,999.6,2983.5,4.7,24.76,436.1,999.6,29 83.5,4.7,25.11,2415,1040.4,2983.5,92.4
    ,25.46,441.0,999.6,2983.5,4.7,25.82,436.1,999.6,29 83.5,6.7,26.14,2373,1081.2,2983.5,92.4


    21:05:25
    83.7C Coolant temp 80-110C
    250.0 mg/str MAF (specified) 230-310
    426.3 mg/str MAF (actual) 210-350
    441.0 mg/str MAF 900-1250
    999.6 mbar Atmos. pressure sensor -f96-
    1053.0 Intake air press. 2100-2600
     
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  4. Re: Overboost 17965 p1557 35-00 @ 35-10 
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    The only influence your EGR delete will have is me helping you as I vehemently object to the removal of legally required emissions devices. Your MAP sensor is stuck reading the maximum it can at just under 2 Bar above atmosphere. If you give it a gentle ******** it may drop back to circa 1000 mBar but whatever, that is your fault and you need to fix that first.
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
     
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  5. Re: Overboost 17965 p1557 35-00 @ 35-10 
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    So the fix was the (((((MAP SENSOR))))))
    Replaced with 10 euro scrapyard part and car working perfect again


    thank you crasher!!!!!
     
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