Error codes P0201 and P0103

Tiny
NELKA
  • MEMBER
  • 2004 NISSAN TRUCK
  • 6.4L
  • 5 CYL
  • 2WD
  • MANUAL
  • 150,000 MILES
Model Pb-Mk 36. A dump truck.(Ud Nissan) check light is on and no pick up. After scanning this display error code p0201and p0103. Please give me answer.
Tuesday, September 27th, 2016 AT 12:56 AM

1 Reply

Tiny
AL514
  • MECHANIC
  • 4,692 POSTS
Well code P0201 is Fuel injector #1 open circuit, and P0103 is Mass Airflow Circuit High input. So you may have two different problems going on here. You can check the fuel injector itself with a multi-meter. Unplug the injector and make sure you have resistance across its two terminals. If it read OL (out of limits) the injector is bad. To check for power, at the injector plug you can use a test light or noid light to watch for a pulse (flash from test light). If you find the injector is bad or wiring, repair the problem, erase the codes and go for a test drive and see what codes come back. Let us know.
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Tuesday, September 27th, 2016 AT 1:45 AM

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