HINO-P0107 moderate Hino ›

MAP Sensor Circuit Low

The HINO-P0107 (Hino) diesel fault code means: MAP Sensor Circuit Low. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
intermediate
Estimated cost
$250-$3,000
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What Are the Symptoms of HINO-P0107?

  • Loss of power / sluggish throttle response
  • Black smoke, especially during acceleration
  • Poor fuel economy
  • Whistling or chirping from turbo
  • Check Engine Light with soft derate

What Causes HINO-P0107? (Most Likely First)

  • Swirl / intake flap valves clogged with soot (classic J08 issue) Very Likely
  • VGT / VNT actuator sticking from carbon build-up Likely
  • Charge-air cooler or intake boot leak Possible
  • MAF contamination — replace only after cleaning test Possible
  • EGR flow bleed-back loading intake with soot Possible

Can I Still Drive with HINO-P0107?

Short distances only. HINO-P0107 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.

Frequently Asked Questions

What does Hino code P0107 mean?

Hino diagnostic trouble code P0107 (MAP Sensor Circuit Low) is a moderate-severity fault on Hino medium-duty diesel engines. It indicates a problem in the air / boost system that should be verified with a scan tool (Hino DX3 / DX4) before replacing any parts.

Can I drive my Hino truck with P0107?

Short runs may be possible but do not ignore — Hino medium-duty aftertreatment faults cascade quickly into 5-mph derate or no-restart. Schedule diagnosis immediately.

How much does it cost to fix Hino P0107?

Estimated repair cost runs $250-$3,000. Sensor, wiring, and DEF-related repairs fall at the low end; DPF service, turbo, injector, and EGR cooler work fall at the high end and may require dealer-level programming.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose HINO-P0107?

  1. Verify P0107 on Hino DX3. Graph MAF / MAP / commanded boost vs actual boost at part and full throttle.

  2. Inspect the intake manifold swirl / tumble flap mechanism — J08 swirl valves carbon up and stick; removal and cleaning resolves many lingering performance faults.

  3. Pressure-test the intake with smoke from CAC to throttle — look for leaks at clamps, cracked resonators, and cracked CAC end tanks.

  4. Apply vacuum / electrical actuation to the VGT actuator and confirm full vane travel.

  5. Clean MAF with CRC MAF cleaner before replacing; replace only if cleaning does not restore readings.

Sources 2

This page is built from documented references. Verify against your own service info before repair work.

  • SAE J1939-73Application Layer: Diagnostics (defines the SPN/FMI fault-identifier framework)
  • SAE J2012Diagnostic Trouble Code Definitions (defines P0107 as a generic OBD-II code)

P0107 on Other Platforms

The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:

Gas / Automotive (OBD-II) Generic OBD-II definition for P0107 Isuzu moderate MAP Sensor Circuit Low Yanmar moderate MAP Sensor Circuit Low

Which Vehicles Commonly Get HINO-P0107?

  • Hino 155 / 155h with J05 5.1L
  • Hino 195 / 195h (hybrid) with J05D 5.1L
  • Hino 258 / 258LP / 268 with J08 7.7L
  • Hino 338 / 338CT with J08 7.7L
  • Hino 358 / 358CT (post-2019 J-series / A09C)
  • Toyota Dyna / Hino-branded export chassis with J05/J08

Explore More

More Hino codes → Diesel home All diesel codes Heavy-duty Guides

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