Question about Cars & Trucks
Did you do the Idle learn procedure? You need to do that every time you reset ecu.
1. Make sure all electrical items are turned off.
2. Start the engine. Hold the engine speed at
3,000 rpm with no load (in Park or Neutral) until
the radiator fan comes on.
3. Let the engine idle for about 5 minutes with the
throttle fully closed and with all electrical items
4. Drive the car for some miles
I always do it whenever i reset ecu.
Posted on Jun 13, 2017
Besides mileage the emissions system need to do cycles as well
Posted on Jun 13, 2017
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Posted on Jan 02, 2017
This code is not documented so the code reader is giving a false reading.
If the car runs OK and check engine light is not on, I would forget about it.
Posted on Nov 25, 2008
both are located in the exhaust system. You have to get the car off the ground and follw pipes. You cant miss the O2 sensors.
Posted on Jan 15, 2009
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. :)
Posted on Mar 30, 2009
SOURCE: oxygen sensor replacement
you need to rent an 02 sensor socket and use a ratchet and the socket to remove it, there are two on the exhaust pipe one before the cat, you can see it on the exhaust pipe and one after. normally the 1at one goes out. cost $75.00 please rate if helpful.
Posted on Aug 14, 2009
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