I have a 1984 fiero it runs rough after I take off and once in awhile it seems to loose hp while I'm driving not all the time runs better at night. I've Changed pcv egr spark plugs and wires

Asked by Jun 29, 2014 at 05:41 PM about the 1984 Pontiac Fiero

Question type: Maintenance & Repair

Do u think o2 or map sensor

2 Answers

Since you have a pre-1996 you can get some diagnostics, without OBDII Check out this page: http://www.calgaryfieros.com/OSGdocs/codes.html also .. http://www.youtube.com/watch?v=lKzaCX4t7Lw

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