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Old 12-10-2005, 11:55 PM   #4
lincolnb
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Join Date: Dec 2005
Location: Albquerque, NM
Posts: 2
Talking

Ah, thank you both. Tried the scanner from Checker & it didn't work, needed a different adapter for the plugin. Autozone was successful with the stadard Actron reader in reading the codes (P1115 & P1275), but they said they wouldn't reset them for me.

I have some about clearing the soft-faults by disconnecting the neg. battery cable & that I may have to reset the radio if I do that & I do have the serial number if needed. Any suggestions or BKM (best known methods) on this?

Based on what I've found the errors are:

P1115 Oxygen Sensor Heating 1 After Catalytic Converter - Above Upper Limit
P1275 Aging of Oxygen Sensor Ahead of Catalytic Converter (Cylinders 1 - 3) - Below Lower Limit.

Will try to reset the CEL, if these come back, I guess I'll be replacing the O2 sensors...

I can only find gasoline with a 91 MON octane rating around here, could this be a root cause? Do I need to add some octane boost since it's reommended to be running 93 MON????
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