Diesel Engine Troubleshooting

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Author: Jack

Hello, I'm Jack, a diesel engine fan and a blogger. I write about how to fix and improve diesel engines, from cars to trucks to generators. I also review the newest models and innovations in the diesel market. If you are interested in learning more about diesel engines, check out my blog and leave your feedback.
C15 Troubleshooting

C15 – Cooling Fan Is Always ON

Posted on March 10, 2022

Probable Causes The probable root causes are listed in order below: • OEM vehicle component failure • PTO mode • A/C high pressure switch circuit…

C15 Troubleshooting

C15 – Check Engine Lamp or Warning Lamp Is Malfunctioning

Posted on March 10, 2022

Probable Causes The probable root causes are listed in order below: • Intermittent Diagnostic Codes • Burned out bulb • Problem with Lamp circuit (Vehicle)…

C15 Troubleshooting

C15 – Can Not Reach Vehicle Speed Limit

Posted on March 10, 2022

Probable Causes The probable root causes are listed in order below: • Diagnostic codes • Customer specified parameters (normal operation) • Cold mode • Electronic…

C15 Troubleshooting

C15 – Can Not Reach Top Engine RPM

Posted on March 10, 2022March 10, 2022

Probable Causes Note: If this problem occurs under load, refer to Troubleshooting, “Low Power/Poor or No Response to Throttle”. The probable root causes are listed…

Paccar

2013 PACCAR MX-13 – P0563 ECU PCI power supply – Data valid but too high on ECU D420 pin B60 or B61 or B62

Posted on February 19, 2022

Fault code information 1 trip MIL 3 drive cycle recovery Readiness group – None Freeze frame type – Comprehensive Description of component(s) This information not…

Paccar

2013 PACCAR MX-13 – P0562 ECU PCI power supply – Data valid but too low on ECU D420 pin B60 or B61 or B62

Posted on February 19, 2022

Fault code information 1 trip MIL 3 drive cycle recovery Readiness group – None Freeze frame type – Comprehensive Description of component(s) This information not…

Paccar

2013 PACCAR MX-13 – P0523 P0523 Oil pressure – Voltage to high or short circuit to supply on ECU D420 pin C84

Posted on February 19, 2022

Fault code information 3 drive cycle recovery Readiness group – None Freeze frame type –Comprehensive Description of component(s) Location of component(s) Diagnostic condition This diagnostic…

Paccar

2013 PACCAR MX-13 – P0522 Oil pressure – Voltage to low or short circuit to ground on ECU D420 pin C84

Posted on February 19, 2022

Fault code information 3 drive cycle recovery Readiness group – None Freeze frame type –Comprehensive Description of component(s) Location of component(s) Diagnostic condition This diagnostic…

Paccar

2013 PACCAR MX-13 – P0486 EGR pressure difference – Data erratic, intermittent, or incorrect at ignition on

Posted on February 19, 2022

Fault code information 2 trip MIL 3 drive cycle recovery Readiness group – None Freeze frame type – Comprehensive Description of component(s) Location of component(s)…

Paccar

2013 PACCAR MX-13 – P0471 Pressure before turbine – Data erratic, intermittent, or incorrect at Ignition ON

Posted on February 18, 2022

Fault code information 2 trip MIL 3 drive cycle recovery Readiness group – None Freeze frame type -Comprehensive Description of component(s) Location of component(s) Diagnostic…

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