20 Most Recent 2002 Infiniti I35 - Page 3 Questions & Answers

I would check the EGR valve.

check the starter and ignition.OBD2 scanner

DISTRIBUTERCAP AND ROTOR AND PLUGS AND WIRES

Take utility to an auto electrician.mechanics are not always the best fault finders for electrical issues. Could be faulty battery alternator or a bad earth. It sounds like a bi problem these are usually easier to Id and rectify.

HEATER NOT BLOWING COLD,NO HOT AIR FROM HEATER,A/C BLOWS HOT AIR,A/C NOT BLOWING COLD, COLD AIR FROM HEATER,BLEND DOOR ACUTATOR CLOSED,HVAC UNIT NOT OPERATING, http://alltypesofpartsreplacing.blogspot.com/2012/12/heater-not-blowing-coldno-hot-air-from.html

I Would replace the fuel filter first up. most likly cause

stater

Need year,make,model and engine size.