EMISSIONS AND ENGINE CONTROL SYSTEM

1997 Nissan

Tiny

rickricket

September, 6, 2008 AT 8:54 AM

Engine Performance problem
1997 Other Nissan Models 6 cyl Two Wheel Drive Automatic 144000 miles

Have a Nisson Quest showing PO135 fault which is " Upstream heated O2 heater fault". Both upstream and downstream oxygen sensors were replace, fault cleared, started engine and " check ' light returned. What now? Thanks.

FOUND 902 RELATED QUESTIONS

0 Answers

Please login or register to post a reply.

Oxygen Sensor Replacement Dodge Stratus
Oxygen Sensor Replacement Honda Civic 1996-20
Fail Your Smog Test? Fix it Fast