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What causes low boost on Detroit engines 60series,dd13 dd15

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Boost is produced by adding extra fuel in the combustion process to create a hotter exhaust and more exhaust gas pressure
boost is produced as the exhaust turbine winds up from that extra heat / pressure produced from the extra fuel
loose intercooler hoses , cracked intercooler will loose that extra boost
so it could be from the fuel controller ( throttle position sensor) is not working properly, boost pressure being lost by holes in the system or-- from experience-- a problem turbo unit ( bent vanes on the compressor wheel from impurities hitting then at speed creating an excessive turbulence and slowing down the turbo action
best take it to an accredited service center and have the fault codes read and a diagnosis of the problem

Posted on May 04, 2017

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Posted on Jan 02, 2017

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Hello i have a frieghtliner cascadia 2013 with dd15 an my diog says 0 but when i hold the button down it says no fault 1 then i press again it says fail 31 an 459520 spn eng 0,anyone no what this can be


freight liners use 3 different engines and all of the fault codes are different
if yours is a Detroit 15 engine go to a service shop for Detroit and have the code explained

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What is fault code SA 16 DTC PO 4D900


Looks like could be caused by one of several sensors.
I did find thisP04D9 EGR feedback saturation This OBD monitor indicates if the burned air fraction error is saturated against a high or low limit. The logic for the monitor evaluates the time spent at saturation and compares the ratio between the time spent in a saturation mode and the total time engine running. A fault is reported whenever the ratio exceeds the fault limit.
P04D9 EGR system: Feedback control(Saturated Low)
Enable conditions: Engine torque 300 - 2500NM,Exhaust Mass Flow 0.1 kg/s, Ambient Air Temperature-8 -55C, Barometric Pressure 75 - 105 kpa, Coolant Temperature>65 C
Disable Conditions No active DTCs P0069 P046c P0234, P0299, P0401, and P0402
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1 Answer

I have a dd15 freghterliner 2011 with a fault code EEC 61 What do it mean


what engine has it go
if it is a GM detroit 60 series it is no 6 injector circuit board problem
heavy vehicle fault codes are specific to engine or transmission installed in what ever vehicle
take it to a service center for the engine make and have it properly diagnosed

Dec 01, 2016 | Cars & Trucks

1 Answer

2014 freightliner cascadia, dd13 showing an active code mil light Diag, says ecu 01 , what can that be


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should be in the radiator top tank and energizers when the coolant level in the cooling system falls below a set point in the radiator
contact a service dealer for a diagnosis and information as to the fix.

Sep 05, 2015 | Cars & Trucks

1 Answer

1999 PETERBILT


Hi, you probably have a fuel issue. Replace fuel filters, look for cracked fuel lines. Use a good fuel lubricating additive with Cetane boost especially if the weather is cold. I have a KW truck and it surges just when the fuel gets too low.

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1 Answer

P236 troub le code 2002 cummins in a dodge 1 ton


Computers and Control Systems: Diagnostic Trouble Code Tests and Associated Procedures
P0236
SYMPTOM
P0236-MAP SENSOR TOO HIGH TOO LONG
WHEN MONITORED
Engine running.
SET CONDITION
Boost pressure signal indicates boost pressure is high when other engine parameters (i.e. speed and load) indicate boost pressure should be low or
boost pressure is low when other engine parameters indicate it should be high.
POSSIBLE CAUSES
- Other codes
- Checking boost pressure sensor
- Checking the 5-volt supply circuit
- Sensor ground circuit open
- MAP sensor
- MAP signal circuit open
- MAP signal circuit STV
- MAP signal circuit STSG
- MAP signal circuit STG
- ECM

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1 Answer

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2359 is for high or low boost....more than likely it is the turbo resonator or the charge air hose to the intake has a split in it

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