Engine/Fuel Control System

BOOST PRESSURE SENSOR (BPS) Repair Procedures

6steps
~36min
2/5difficulty
0102030405010.88N·mlb·ft
Tightening torque found on this page
Done 0 of 6

Inspection

  1. Connect the GDS to the Data Link Connector (DLC).
  2. Measure the BPS output voltage at idle and with the ignition switch ON.
    PRESSURE
    [kPa (kgf/cm² / psi)]
    Output Voltage (V) [Vref = 5 V]
    32,5 (0,33, 4,71) 0,5
    284 (2,90, 41,19) 4,5

DEPOSIT

  1. Turn the ignition switch to the OFF position and disconnect the negative (-) battery terminal.
  2. Remove the air duct and air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner")
  3. Disconnect the boost pressure sensor connector (B).
  4. Remove the compressor (B) by loosening the mounting bolts.

REMEDY

  1. To install, reverse the removal procedure. Boost pressure sensor bolt: 6.9 ~ 10.8 N·m

Test yourself

A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.