Question about 2000 Toyota Corolla
So ive had my 2003 corolla a little less than a month now. and the check engine light came on. i took it back to the dealer and they came back with a code p0171 so they replaced my o2sensor. I drove it about 45 miled and the light came on again!!! Now the code is a p0125! also when I am in park the idle is around 1800 then drops down to 850 when in reverse or drive. Did I buy a lemon?? please help!
Without seeing your vehicle on my scan tool, it is hard to see what is exactly going on.
But, please allow me to share the following info with you:
The P-0171 code relates to the Mass Airflow Sensor. This is a VERY common code with the Corolla product.Your dealer *** should *** have inspected it for dirt contamination, and cleaned it, if it was indeed dirty.
Secondly, The P-0125 relates to Oxygen Sensor number ONE. If your dealer replaced the wrong sensor; (#2), you can expect to have problems.
My advice: unplug, remove, inspect & clean the MAF sensor. Ensure that the air filter is clean.
This should help you quite a bit.
Posted on Oct 13, 2008
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Posted on Jan 02, 2017
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