Smog problems please HELP
#1
Smog problems please HELP
my 2001 Chevy Silverado 5.3 .. is having a problem getting all monitors ready to smog. Evap, EGR, Heat Sensor, secondary air.. please help with suggestions. this has been an issue for way to long ... I have done the cycle.. changed all sensors twice . secondary air valves, cleaned mass air etc... I'm done putting money into it.
#4
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I take it you've replaced all the O2 sensors (I think it's 4 in this truck?) and check to make sure the wiring is good? What's the actual code you're getting?
#5
the monitors will not run until the fault is repaired. the task manager knows that running a test with a fault present will produce a invalid result; so monitors are withheld.
ditto; post the code.
ditto; post the code.
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mitchdakid
Silverado, Sierra & Fullsize Pick-ups
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May 22nd, 2009 1:45 PM