EGR VALVE AND KNOCK SENSOR

1994 Infiniti J30

Tiny

skipfeet

February, 1, 2010 AT 7:17 PM

Engine Mechanical problem
1994 Infiniti J30 6 cyl Front Wheel Drive Automatic 185, 00 miles

where is the egr valve, and knock sensor located, and how hard are they to replace and clean myself

FOUND 238 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

February, 1, 2010 AT 7:39 PM

1994 Infiniti J30 V6-2960cc 3.0L DOHC (VG30DE)

Knock Sensor Location


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


Located in the engine block valley.

Knock Sensor Connector


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



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


http://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


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



ECCS Components


http://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


http://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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