Roger_4.6_96 said:After the 35 miles the code should be cleared. Maybe less miles. I drove around for like 2 hours to clear the codes when it was smog day.
jstreet0204 said:To be clear on this, "System Not Ready" code is cleared after the eec has completed the OBDII tests, which is also when the codes will show up if the rear o2's don't detect the cats. So you can't pass by simply disconnecting the battery.
Roger_4.6_96 said:Ya if you say so.
Roger_4.6_96 said:Are you not reading what i wrote ? I said once you clear the codes you have to drive the car for 35 miles. once you do that the p1000 code is gone. Its not lucky cause i done it the past 3 years. I even passed smog with no cats or egr without mils or a chip.
AirWolf87 said:Well, again, it depends how the scanner turns off the check engine light. If it fakes the computer to think that the sensor is reading properly, then yes it will pass. But i would bet that it only dissables the sensor and puts it in a "not ready to read" mode. This will turn off the check engine light, but it will not pass.
Like if you disconnect your battery to clear that code...it goes away for a while because the system is not ready to read, it is still gathering information, but as soon as you drive it long enough, the light comes right back. I THINK MIL elliminators and scanners just put the sensor in a "not ready to read" mode permanently so the light goes away and doesnt annoy you, but doesnt fix the problem. But, i dont know exactly how they do it, i just know how the testing works. Maybe someone should give the company who makes them a call and asks them how they work.
This whole topic has me greatly interested because i didnt take that chance, when I inspected my car i took my H-pipe w/MILs out and put back my stock one. now im almost wishing i had tried it just to see. I dont know how the MIL elliminators or programers that do the same thing work, so i cant answer that question, im just clearing up how the test works, so if anyone knows they can fill in my blank spots and we will hopefully get an answer.
KXT said:^ I concur, you did just get lucky.
The real question at this point is when a chip/tuner removes the test for the rear o2 does it set a P1000 code?
Roger_4.6_96 said:Ya if you say so.
AirWolf87 said:No clearing your codes by removing the battery will not pass because the reason the codes are gone is because you erased them, but the tests are still running in the computer, and when it gets to that sensor, the check engine light will come back on, until then that test will show up as "not ready to read"
But like jstreet pointed out, the scanners erase that test from the computer all together, so that the test on that sensor no longer exists. There is no sensor to get a reading now because the test is gone and the will be no code. A completely different way than MILs, but works none the less.
try this, unplug an oxygen sensor or an EGR line and take a drive....the Check engine light will come on. you can disconnect the battery and it will go away, butif you dont fix it, it will come back again in a few miles. And until id does come back, the computer reads "system not ready to read" so it will always know when something is wrong, unless you make it think its right (MILs) or just erase that check alltogether with a tuner, but it wont pass by dissconnecting the battery.
Roger_4.6_96 said:They can shut it off. But you can shut it off to by disconnecting the battery. once the codes are cleared you need to drive around for 35 miles. It will pass smog as long as the codes havent popped up in those 35 miles.
you are COMPLETELY WRONG. After driving the car for 35 miles, the code will come right back.Roger_4.6_96 said:Are you not reading what i wrote ? I said once you clear the codes you have to drive the car for 35 miles. once you do that the p1000 code is gone. Its not lucky cause i done it the past 3 years. I even passed smog with no cats or egr without mils or a chip.
If you get inspected in those 35 miles before the light comes back, the sensor will read "system not ready to read" and you will be required to drive the car until the sensor comes back online (at the end of those 35 miles) but the code will come back ad you will fail.svttech76 said:this too is CORRECT if your lucky enough that the problem causing the check engine light too come on does not happen in the time it takes too pass all monitors. . then you need too be lucky enough too make it too the testing station before the problem comes back..
svttech76 said:no it does not set the p1000 code.. turning off the rear 02 sensors removes the cat monitors compleatly from the obd2 testing.
jstreet0204 said:Ahh the answer to the million dollar question. Thanks Mike!
AirWolf87 said:you are COMPLETELY WRONG. After driving the car for 35 miles, the code will come right back.
If you get inspected in those 35 miles before the light comes back, the sensor will read "system not ready to read" and you will be required to drive the car until the sensor comes back online (at the end of those 35 miles) but the code will come back ad you will fail.
AirWolf87 said:ok i see what you are saying now. but like you said, thats a pretty big IF. For what its worth, get MIL elliminators and be done with it.
........and can someone make this thread a sticky??? I know everyone with OBD inspections has thought about this.
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