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Why does the check engine light come back on after you changed the o2 sensor before the catalytic converter?
Wiki User
∙ 6y ago
many cars have multiple O2 sensors. If you expected the light to go out, just from changing the sensor it won't .
Are you sure You changed the right sensor
The light may need to be re-set by a garage or using a scan tool.
What kind of vehicle are we guessing on?
Wiki User
∙ 6y ago
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Is a catalytic converter required on engine manufactured before 1975?
No.
How many 0 2 sensors are in a 1997 Ford Expedition Eddie baur?
I believe there are ( 4 ) Bank 1 is the passenger side of the engine , sensor 1 is before the catalytic converter ( upstream ) and sensor 2 is after the catalytic converter ( downstream ) Bank 2 is the driver side of the engine , sensor 1 is before the catalytic converter ( upstream ) and sensor 2 is after the catalytic converter ( downstream ) The 2 sensors before the catalytic converter are used for air / fuel ratio for the engine The 2 sensors after the catalytic converter are called catalyst monitors
How many oxygen sensors are on a 1999 dodge durango with a 5.2 liter engine?
Two, one before and one after the catalytic converter.Two, one before and one after the catalytic converter.
Where is bank2 o2 sensor for a 2001 f150?
bank 2 is the drivers side of the engine , and sensor 1 is near the engine before the exhaust passes through the catalytic converter , sensor 2 is after the catalytic converter
Is the 2 oxygen sensor on a 2005 Ford F-150 located on the passenger or drivers side of the engine?
BANK # 1 is the passenger side of the engine / BANK #1 SENSOR # 1 is in the exhaust before the catalytic converter / BANK # 1 SENSOR # 2 is after the catalytic converter ( downstream ) ------------------------------------------------------------------------------------------------------------ BANK # 2 is the drivers side of the engine / BANK # 2 SENSOR # 1 is in the exhaust before the catalytic converter / BANK # 2 SENSOR # 2 is after the catalytic converter ( downstream )
Does a 1995 dodge ram have O2 sensors?
The gas engine has one before the catalytic converter.
Where is the catalytic converter bank 1 on a 2006 Chrysler Town and Country?
The catalytic converter is behind the engine.
How many oxygen sensor are in a 2005 dodge durango with a Hemi engine before the catalytic coverter?
There is a sensor before each converter and one after each converter.
Catalyst of a 2002 ram 1500?
The catalytic converter is in the exhaust pipe directly behind the engine.The catalytic converter is in the exhaust pipe directly behind the engine.
What is the lifespan of a catalytic converter?
That depends on the engine and the fuel you've used. If the engine starts burning oil a catalytic converter can fail rapidly. Some fuel additives can also cause a catalytic converter to fail prematurely.
Does a catalytic converter damage the engine?
Yes it can
Where is the catalytic converter on a 2001 Chevy S10?
The catalytic converter is found in the exhaust system between the engine and the muffler.
