I'm trying to locate where the heat/ air valve is on my tracker.
That would be your bend dooor motor. it is inside the tracker and under the dash
SOURCE: NO Heat in 1999 CHevy SIlverado
flush the heater out with a hose. the fastest and cheapest. if that dosen't work then replace the Air blend actuator motor. $59.99 at Auto Zone part # 604-101
SOURCE: egr valve location
The EGR Valve Location is typically housed on the intake manifold this schematic may help you
http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528008822d
SOURCE: where is mass air flow sensor located on 2002
The mass air flow (MAF) sensor is an integral part of the throttle body assembly and cannot be serviced separately. For replacement of the MAF sensor refer to Throttle Body Assembly Replacement.
SOURCE: 2002 Chevy Tracker will not idle
I would start with a new fuel filter and some new spark plug wires.
I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514
SOURCE: 2002 chevy blazer codes 443 449 i replaced the maf...
p0443 is evaporative emission control system, purge control curcuit malfunction, p0449 is emission control system, vent control curcuit malfunction. p0449 is often a filler cap problem on fuel tank. try tightening cap
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