Catalog / BOSCH / 06H127025N
BOSCH

06H127025N

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SolenoidBosch HDP5 / HDP6 Gasoline Direct Injection High-Pressure Pump (150 bar)Euro 5

BOSCH 06H127025N High Pressure Fuel Pump Audi A4 A5 Q5 VW Tiguan 2.0 TFSI EA888 Gen2 0261520141

Reference data for Bosch 06H127025N common rail injector · OEM 06H127025M, 06H127025P, 06H127025Q, 0261520141, 0261520140, HPP0005, HM10013 · Application Volkswagen / Audi EA888 Gen 1 & Gen 2 (1.8L & 2.0L TSI / TFSI CCTA / CAEB / CDNC)
OE REFERENCE06H127025M, 06H127025P, 06H127025Q, 0261520141, 0261520140, HPP0005, HM10013
CONTROL VALVE-
NOZZLE-
RAIL PRESSURE150 bar
EMISSIONEuro 5 / ULEV II
WARRANTY12 Months
01

Compatible Injectors

OEM Ref
02

Vehicle & Engine Fitment

VehicleEngineYears
Volkswagen Golf VI GTI 2.0 TSIVolkswagen / Audi EA888 Gen 1 & Gen 2 (1.8L & 2.0L TSI / TFSI CCTA / CAEB / CDNC)2009-2013
Audi A4 B8 2.0 TFSIVolkswagen / Audi EA888 Gen 1 & Gen 2 (1.8L & 2.0L TSI / TFSI CCTA / CAEB / CDNC)2008-2015
Audi Q5 8R 2.0 TFSIVolkswagen / Audi EA888 Gen 1 & Gen 2 (1.8L & 2.0L TSI / TFSI CCTA / CAEB / CDNC)2009-2015
03

Technical Specifications

SpecificationValue
sku06H127025N
brandBOSCH
manufacturer_code0261520141
pressure_rating150 bar (2175 psi)
torque_flange20 N-m (15 lb-ft)
torque_line27 N-m (20 lb-ft)
engine_familyVW Audi 2.0 TFSI EA888 Gen2 DOHC Turbocharged
Operating PressureCore Spec

Matched High-Pressure Fuel Injectors (Fuel Circuit Assembly)

Directly supplied by this high-pressure pump. Verify injector backleak balance if rail pressure fails to build during engine cranking.

BOSCHExact Engine & Chassis Match
06H906036Q
Gasoline Direct Injection (GDI) • 150 bar
🚙 Audi A4 (B8) (CAEB)
Technical Specifications & Pinout
BOSCHExact Engine & Chassis Match
06J906036N
Gasoline Direct Injection (GDI) • 150 bar
🚙 Audi A4 (B8) (CAEB)
Technical Specifications & Pinout
BOSCHExact Engine & Chassis Match
06H906036G
Gasoline Direct Injection (GDI) • 150 bar
🚙 Engine Code CAEB
Technical Specifications & Pinout
04

Diagnostic Trouble Codes & Fault Protocols

Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:

P0087Critical

Fuel Rail / System Pressure Too Low

Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.

P0201 - P0208High

Injector Circuit Malfunction / Open Circuit

Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.

P0300 / P0301+High

Cylinder Misfire & Balancing Deviation

Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.

P0088High

Fuel Rail / System Pressure Too High

Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.

Technical Diagnostic & Service Protocols

Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.

COMMON RAIL WORKSHOP DIAGNOSTICS

Common Rail High-Pressure Pump Diagnostics Guide

Diagnose common rail high-pressure pump failure: suction vacuum, CP4 roller glitter, plunger wear, air ingress & P0087 hard start. Workshop bench testing.

Read Technical Protocol
COMMON RAIL WORKSHOP DIAGNOSTICS

Fuel Metering Valve (IMV/SCV) Diagnostics Guide

Diagnostic guide for common rail fuel metering valves (IMV/SCV/FCA/MPROP). Normally open vs closed, coil resistance, PWM duty cycle & P0088 / P0089 test.

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OBD-II DIAGNOSTIC PROTOCOL

P0087 Low Rail Pressure Diagnosis Guide

Step-by-step workshop diagnostic protocol for OBD-II DTC P0087 (Fuel Rail Pressure Too Low). 5-stage troubleshooting tree: backleak testing, SCV valve, PRV valve, and high-pressure pump.

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COMMON RAIL WORKSHOP DIAGNOSTICS

Rail Pressure Relief Valve Diagnostics Guide

Common rail pressure relief valve (PRV) testing guide. Diagnose hot start stalls, P0087 rail pressure loss, return line leakage & single vs 2-stage valves.

Read Technical Protocol