Question about 1991 Nissan Pathfinder

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Check engine light, no longer comes on! Did not pass smog test.. What is the fix for this? Light burned out? Or something more complex? THX.

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  • Nissan Master
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Most well known autoparts chain stores offer free diag codes downloads if you go there (they want to sell u the part) this is what i would do with this car

Posted on Oct 20, 2013

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Posted on Jan 02, 2017

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SOURCE: my 2001 Nissan Crew Cab did not pass the smog.

well it can be one of two things 1. your oxygen sensor 2. your cats are bad....just call your home town autozone and tell them the trouble code and they can tell you what it is....so good luck...

Posted on Nov 13, 2008

  • 1 Answer

SOURCE: 1996 Nissan Maxima GXE Fail Smog Check Due To ECM System Failure

Working on one right now and hooked it up with a Snap On Solus scanner - It gives P0135 for 0/2 sensor bank 1 sensor 1. Check the 0/'2 sensor function and replace as necessary

Posted on Apr 14, 2009

  • 714 Answers

SOURCE: my 93 240sx failed smog.mil/check engine light

if the light went out on it's own ,,,yes it should now pass inspection

Posted on Mar 09, 2010

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