How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Daniel Wilson Your Own Question
Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 5272
Experience:  Owner at DJ Wilson
Type Your Medium and Heavy Trucks Question Here...
Daniel Wilson is online now
A new question is answered every 9 seconds

Another paccar engine with these codes please help

Customer Question

Another paccar engine with these codes please help
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 1 year ago.

Hi, It's Dan. What codes are you getting?

Customer: replied 1 year ago.
Here you go
Expert:  Daniel Wilson replied 1 year ago.

Fault Code 2359: EGR Differential Pressure Sensor – Data Valid but More Than Normal Range

Code Types

FAULT CODE 2359 PID 411 FMI 0 (SPN 411 FMI 16)

J1587 / J1708J1939OEM

MID 128SA 0

PID 411SPN 411Fault Code 2359

FMI 0FMI 16***** *****ght

Code Description

EGR differential pressure sensor measures exhaust gas pressure drop across EGR differential pressure orifice. Calculate amount of EGR flow into intake manifold using this pressure drop.

If PID 411 FMI 0 (Fault Code 2359) is active after a key cycle and engine is not running, it will be set inactive only after meeting these conditions:

  • Engine coolant temperature is more than 154°F (67°C)
  • Intake manifold air temperature is more than 45°F (7°C)
  • Ignition switch transitions from ON to OFF a total of four times while depressing brake pedal.
  • EGR differential pressure sensor reading is within a set calibration threshold near zero.


EGR Differential Pressure Sensor – data valid but more than normal operating range – moderately severe level. EGR differential pressure sensor failed automatic calibration procedure or EGR differential pressure reading is not valid for engine operating conditions.

Possible Causes

  • Blocked turbocharger control shutoff valve filter
  • Blocked or leaking low or high EGR differential pressure tube
  • EGR valve stuck open or closed.
  • EGR connection tube hoses or tubes leakage
  • Failed EGR differential pressure sensor
  • Failed EGR connection tube hose
  • Failed variable geometry turbocharger
  • Failed variable geometry actuator
  • Failed turbocharger control valve
  • Failed turbocharger control shutoff valve
  • Leakage in air line supplying air pressure to turbocharger control shutoff valve, variable geometry actuator or turbocharger control valve
  • Incorrectly installed EGR differential pressure tubes and sensors.


Close EGR valve.

Expert:  Daniel Wilson replied 1 year ago.

1569 just means the engine has been derated

Expert:  Daniel Wilson replied 1 year ago.


Fault Code: 4282
PID: Not
SPN: 5298
FMI: 0/31
LAMP: Amber

Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency - Condition
Exists. The temperature increase across the aftertreatment diesel oxidation
catalyst is lower than expected.

None on performance. Active aftertreatment diesel particulate filter
regeneration will be disabled.

Expert:  Daniel Wilson replied 1 year ago.


Code: 3167
PID: S382
SPN: 3556
FMI: 18
LAMP: Amber

Aftertreatment Doser - Data Valid But Below Normal Operating Range -
Moderately Severe Level.

Possible ineffective regeneration of the aftertreatment diesel particulate
filter. Degraded aftertreatment fuel injector.

Expert:  Daniel Wilson replied 1 year ago.

Service your DPF and try cleaning your DPF injector and do a regen. If the problem still exists, replace the injector. check the other items listed for 411. Let me know

Customer: replied 1 year ago.
Customer: replied 1 year ago.
the EGR on this has to move freely coorect once actuator removed ? how can i test the actuator
Expert:  Daniel Wilson replied 1 year ago.

The EGR should be in the closed position. If stuck open it is bad. I would not try to force it to move. In most cases the EGR ends up needing replacement if there is excessive carbon/soot buildup

Customer: replied 1 year ago.
i replaced the EGR and the dozer and still the same codes how to i preform a parked regen and why are the codes still active
Expert:  Daniel Wilson replied 1 year ago.

Thanks for the update. Did you run through the checks for the potential causes listed in the fault definitions? I would run through those checks.

Related Medium and Heavy Trucks Questions