So get it fixed? no engine size posted. so ???? impossible to be accurate.
or DIY, you have tools? and skills. to do that.
it means the Oxygen sensor has issues.
means bank 2 is stuck rich
bank 2 means car is V6. bank 2 means bank with #2 cylinder loc.
for much better, reasons and test. see here
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is this the only DTC code.??? no others, and did you use a scan tool
that can read all Toy codes, like P1xxx ? codes factory codes.
if not you missed the boat.
my wild guess. (i do tests in real world)
bank 2 is rich.
due to what?
1: misfiring, ever do a tune up? see fouled spark plugs bank 2, look.
2: injector leaking.
there are lost of tests, im not going to list them all.
but it takes tools and time.
compression at spec. bank 2?
OIL FOULED SPARK PLUGS, there, oops.
or bad COP on bank 2,
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SOURCE: check engine light/2003 toyota CE
your car engine may have some hidden problem, suggest you take it to dealer workshop to have you car ECU scan and it will resolve the problem once and for all.
SOURCE: ASM 2525 NO ppm TAILPIPE EMISSIONS failure
have you had the the engine codes pulled and reset?
and if so what are your engine codes?
i dont know of any car that will pass emissions test with the engine light on.
we cure your trouble that caused your engine light to come on and you will pass your test.
later
paul
SOURCE: 2001 toyota corolla check engine
Mass Air Flow sensor! Just remove your air filter cover. Go to Auto Zone and purchase some solvent. Spray past the air filter and it should correct the problem. If not, replace the Mass air-flow sensor. This is commonly mistaken for an oxygen sensor. Mine did this and I followed these steps and it fixed the light. BTW, the light stayed on for 5 years before I fixed it. Never hurt anything. It's normally something to do with emissions. Dummy lights. :)
SOURCE: 1995 Toyota Camry - Code 71 - failed emissions tests
replace the EGR switching valve and have the machanic clear the engine check light. I think it should help
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