2005–2023 ISUZU NPR

5.2L I4 Diesel•RWD•diesel•4HK1-TC•turbo

5-Year Cost of Ownership

$9,850 maintenance + likely wear

~$1,970/yr · 160¢/mile equivalent

Compare this engine

6.6L V8

6.0L V8

3.0L I4 Diesel

Labor Times — 2005–2023 Isuzu NPR

MOST COMMON JOBS8 jobs that 80% of techs look up

551 jobs across 18 categories

body (42)

brakes (44)

cooling (22)

drivetrain (25)

electrical (80)

emissions (1)

Oxygen Sensor Replacement
emissions

engine (69)

exhaust (29)

fuel (20)

fuel-system (3)

hvac (23)

ignition (5)

interior (24)

maintenance (34)

misc (2)

steering (26)

suspension (57)

transmission (45)

Vehicle Specs

Engine5.2L I4 Diesel

DrivetrainRWD

Fueldiesel

Engine Code4HK1-TC

Aspirationturbo

Common Torque Specs

Wheel Lug Nuts

140 N·m / 103 lb·ft

Flywheel Bolts

157 N·m / 116 lb·ft

Oil Drain Plug

64 N·m / 47 lb·ft

Spark Plugs — Aluminum Head

20 N·m / 15 lb·ft

Wheel Bearing Hub Bolts

110 N·m / 81 lb·ft

DTC Codes

P0001Fuel Volume Regulator Control Circuit/Open

P0002Fuel Volume Regulator Control Circuit Range/Performance

P0003Fuel Volume Regulator Control Circuit Low

P0004Fuel Volume Regulator Control Circuit High

P0005Fuel Shutoff Valve A Control Circuit/Open

Maintenance

100K Service

4 hr

30K Service

2.9 hr

60K Service

4 hr

90K Service

4 hr

AC System Diagnosis

1.2 hr

Built by techs, for techs

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Repair Procedures — 2005–2023 Isuzu NPR

Unlock any single procedure for $3 — or become the founding sponsor and we generate every common job on this NPR, with your name on each one.

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body · 42

brakes · 44

cooling · 22

drivetrain · 25

electrical · 80

emissions · 1

Oxygen Sensor Replacement$3 — unlock

engine · 69

exhaust · 29

fuel · 20

fuel-system · 3

hvac · 23

ignition · 5

interior · 24

maintenance · 34

misc · 2

steering · 26

suspension · 57

transmission · 45

Torque Specs — 2005–2023 Isuzu NPR

Units

129 torque specs across 10 categories

brakes (23)

cooling (16)

drivetrain (12)

electrical (12)

engine (38)

exhaust (2)

fuel (4)

hvac (5)

steering (4)

suspension (13)

Fluid Capacities — 2005–2023 Isuzu NPR

DTC Codes — 2005–2023 Isuzu NPR

1696 DTC codes across 4 categories

Body (176)

Chassis (136)

Network (317)

Powertrain (1067)

Battery Specs — 2005–2023 Isuzu NPR

BCI Group 31

Lead AcidOEM

high

950 CCA

Cold Cranking Amps

100 Ah

Amp Hours

180 min

Reserve Capacity

12V

Voltage

TerminalTop Post

PolarityLeft Positive

Dimensions13" × 6.75" × 9.44"

🛒 Cross-references (buy at any parts store)

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Fitment notes: Commercial diesel truck requires high CCA; battery located under cab or frame-mounted

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Control Modules — 2005–2023 Isuzu NPR

Module data for this vehicle is being compiled — check back soon.

Maintenance Schedule — 2005–2023 Isuzu NPR

34 maintenance items across 1 category

maintenance (34)

Wiper Blade Sizes — 2005–2023 Isuzu NPR

No wiper sizes on file for this vehicle yet.

NHTSA Recalls — 2005–2023 Isuzu NPR

No NHTSA recalls on file for this vehicle.

Vehicle Info — 2005–2023 Isuzu NPR

Consumer specs haven't been compiled for this vehicle yet.

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