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BOSCH

16630-1888R

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SolenoidRenault-Nissan Alliance 1.2 TCe Direct Gasoline Injection SystemEuro 56

BOSCH 16630-1888R High Pressure Fuel Pump Renault Megane Clio Nissan Qashqai 1.2 TCe H5Ft 0261520141

Reference data for Bosch 16630-1888R common rail injector · OEM 16630-00Q0D, 0261520141 · Application Renault-Nissan 1.2L TCe / DIG-T Turbo (H5Ft, HR12DDT)
Engine Platform:Renault-Nissan 1.2L TCe / DIG-T Turbo (H5Ft, HR12DDT) →
OE REFERENCE16630-00Q0D, 0261520141
CONTROL VALVEIntegrated Electromagnetic Quantity Control Valve
NOZZLE-
RAIL PRESSURE150 bar
EMISSIONEuro 5 / Euro 6b
WARRANTY12 Months
01

Compatible Injectors

OEM Ref
02

Vehicle & Engine Fitment

VehicleEngineYears
Renault Megane IV 1.2 TCe1.2L H5Ft Turbo 97kW2016-2020
Renault Clio IV 1.2 TCe1.2L H5Ft Turbo 88kW2013-2019
Nissan Qashqai II 1.2 DIG-T1.2L HR12DDT Turbo 85kW2014-2019
03

Technical Specifications

SpecificationValue
System TypeBosch HDP5 Compact Mechanical High Pressure Fuel Pump
Operating PressureCore Spec
Actuation TypeExhaust camshaft dedicated triple-lobe profile driving internal plunger
Mounting Flange Bolt Torque11 N·m (progressive alternating torque steps)
High Pressure Pipe Torque28 N·m Flare Nut Connection
Quantity Control Valve ResistanceCore Spec
Common Fault CodesP0087 (Fuel Rail Pressure Too Low), P0088 (Pressure Too High), P0090 (Fuel Pressure Regulator Circuit)
Workshop PrecautionInspect camshaft drive bucket follower for surface scoring or excessive play before installation
04

Installation Tips

  1. [
  2. {
  3. "step": 1,
  4. "title": "Depressurize Fuel Rail & Remove Air Intake Ducting",
  5. "instruction": "Depressurize fuel lines via fuel pump fuse removal. Remove intake air piping and airbox assembly to access pump atop cylinder head."
  6. },
  7. {
  8. "step": 2,
  9. "title": "Disconnect Low Pressure Hose & Steel High Pressure Flare Nut",
  10. "instruction": "Disconnect low pressure rubber supply hose. Unscrew high pressure steel pipe union (28 N·m) with backup counter-wrench."
  11. },
  12. {
  13. "step": 3,
  14. "title": "Unfasten Mounting Bolts Evenly & Inspect Cam Tappet",
  15. "instruction": "Loosen two mounting bolts (11 N·m) alternately in half-turn steps to relieve spring load. Lift pump and check roller follower for wear."
  16. },
  17. {
  18. "step": 4,
  19. "title": "Fit New O-Ring, Torque Bolts Evenly & Test For Fuel Leaks",
  20. "instruction": "Install replacement O-ring with fresh engine oil coating. Torque bolts alternately to 11 N·m. Tighten steel fuel line to 28 N·m. Start engine and verify zero fuel leakage."
  21. }
  22. ]
05

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.

P0087 Guide →🧪 Backleak Calculator
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.

P0201 Circuit Guide →
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.

P0300 Misfire Protocol →💻 IMA Coding Tool📐 Washer Thickness
P0088High

Fuel Rail / System Pressure Too High

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

P0088 Guide →📊 Rail Pressure Converter
Browse all 61 Diesel Diagnostic Trouble Codes in our Workshop Hub ->
WORKSHOP PROTOCOLS

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.

Read Technical Protocol
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.

Read Technical Protocol
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