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General Forums => The Mess Hall => Topic started by: jcsanders79 on February 28, 2008, 06:09:10 PM
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Started out that I failed because of my check engine light was burnt out, then a code for a O2 sensor popped up. Got home looked at the O2 sensor and it was most likely still good but the zip tie holding it away from the header broke and it burned up the connector. Luckily it was the O2 sensor side that was ruined.
Turns out that I have never had a check engine light there was no bulb. Got to that from the dealer :'( Replaced the O2 sensor and switched a bulb into the check engine light. My Q is what do I do the resest the monitors? The light was still on after I drove it about 6 miles. Got home and disconnected the battery, will that reset (not only get the check engine light to go away but reset the "ready monitors" as the emissions center calls them)?
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what year do you have? cause on my 97 i cycle the key to on/off 5 times
then the codes pop up in the odometer and then when its done i shut the car off turn it back on and the light goes off in a few days/drives
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removing the negative battery connector for a few minutes should do it.
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In my case ('94), the code comes on by the blinking light, but it is a PITA to read, because you have to figure out when one number ends and the new one begins. It's like reading morse code. I got tired of it when I was getting a bunch of codes when I first started modding the rig, so I got a code scanner compatible with OBD1 and OBD2 that I found cheap on eBay. I'll tell you, it is SOOOOO much easier now reading the codes... And deleting them! Plus, I can use it on the wife's car as wel.
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obd II has about 8 monitors that have to reset. It takes atleast a half hour trip on city streets and some highway driving to reset all monitors and the light will go off. That or go to auto zone and have them clear the codes and the light will go off instantly
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Had to go to the dealer to get the dash light and talked to their mechanic. He told me that once I disconect the battery (which clears the codes) it takes about 50-75 miles to reset the rediness monitors (once the codes are ereased these monitors must run a check then you get a clean reading). Drove it over 100 miles today so I should pass in the morning. BIG difference in low end performance with the new O2 sensor by the way.