1994 Infiniti J30 EGR valve and knock sensor

Tiny
SKIPFEET
  • MEMBER
  • 1994 INFINITI J30
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 18,500 MILES
Where is the egr valve, and knock sensor located, and how hard are they to replace and clean myself
Monday, February 1st, 2010 AT 7:17 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
1994 Infiniti J30 V6-2960cc 3.0L DOHC (VG30DE)

Knock Sensor Location


https://www.2carpros.com/forum/automotive_pictures/12900_ks_1.gif


Located in the engine block valley.

Knock Sensor Connector


https://www.2carpros.com/forum/automotive_pictures/12900_ks1_1.gif



1.Disconnect Knock Sensor sub-harness connector.
Knock Sensor Test


https://www.2carpros.com/forum/automotive_pictures/12900_ks2_6.jpg



2.Check continuity between terminal (a) and ground. Continuity should exist. If no continuity exists, inspect Knock Sensor sub-harness. If sub-harness is OK, replace Knock Sensor.

EGR Valve And Temperature Sensor Location


https://www.2carpros.com/forum/automotive_pictures/12900_egr1_1.gif



ECCS Components


https://www.2carpros.com/forum/automotive_pictures/12900_egr2_1.gif



Located at the back of the intake manifold, next to the firewall.

EGR Valve Test


https://www.2carpros.com/forum/automotive_pictures/12900_egr3_1.gif



EXHAUST GAS RECIRCULATION VALVE TEST:
Apply vacuum to fitting on valve. Replace valve if the diaphragm does not hold vacuum or valve spring does not lift replace valve.
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Monday, February 1st, 2010 AT 7:39 PM

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