I just want to let everyone know that you CAN pass emissions with a GM TBI in Colorado where they do the IM240 testing.
SlushPuppy passed with flying colors, actually!
HC GPM: 0.8212 Limit: 3.0000
CO GPM: 11.1888 Limit: 25.0000
CO2: GPM: 638.7071 No Limits
NOx GPM: 2.3717 Limit: 5.0000
Now if you're familiar with the IM240 test, it's its roller test to simulate actual driving. But they also have a "feature" that shuts down the test if your vehicle is particularly "clean", called Fast Pass. YES, SlushPuppy passed via Fast Pass! (I was watching the screen.)
As always, I had a new gas cap, because they WILL fail you for the entire test if your gas cap fails the pressure test.
Interestingly the form says I passed for an O2 sensor, which I actually DO have, but it's not factory. <shrug> They didn't seem to care about my non-factory dual snorkel air cleaner, however.
SlushPuppy passed with flying colors, actually!
HC GPM: 0.8212 Limit: 3.0000
CO GPM: 11.1888 Limit: 25.0000
CO2: GPM: 638.7071 No Limits
NOx GPM: 2.3717 Limit: 5.0000
Now if you're familiar with the IM240 test, it's its roller test to simulate actual driving. But they also have a "feature" that shuts down the test if your vehicle is particularly "clean", called Fast Pass. YES, SlushPuppy passed via Fast Pass! (I was watching the screen.)
As always, I had a new gas cap, because they WILL fail you for the entire test if your gas cap fails the pressure test.
Interestingly the form says I passed for an O2 sensor, which I actually DO have, but it's not factory. <shrug> They didn't seem to care about my non-factory dual snorkel air cleaner, however.
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