throwing all 0 2 codes po 135 po141 po161 p1131

Asked by Jun 08, 2016 at 10:55 AM about the 2002 INFINITI QX4 4 Dr STD 4WD SUV

Question type: Maintenance & Repair

all are bad?

1 Answer

100,605

Check the O2 heater fuse, if it blew the O2's will not be heating up and cause erroneous readings. Doubtful they all would fail at once unless something got into the fuel or air to cause a total failure, coolant can cause this also silicone sprays and sealers.

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