Question about Cars & Trucks
It is true to keep the vehicle running till 100 miles in order to allow the ECU to map exact data for fuel air ratio. However, if the codes are pointing towards the catalytic converter, you might have to replace it. Was the sensor upstream or downstream? If it is downstream, the sensor has chances to go bad due to a faulty catalytic converter, since it does not filter the gases properly.
Posted on Apr 25, 2013
Yes I would get a second opinion. The trouble code only tells the mechanic what to check, not what to replace. So the O2 sensor could have been faulty, or it could be something else. The original sensor may have been ok.
Posted on Apr 24, 2013
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Posted on Jan 02, 2017
yes egr valve is a common thing on this saturn. very pricy and yes you need the rear o2 sensor good luck i have a used egr if interested off a sl2
Posted on Sep 29, 2008
hey if you truely think it is your egr valve unhook it and if that is the problem then when it is unhooked it should run better and the codes should not come up. hey if you cahnged the 1 o2 sensor and not the other you probably made the code for the one u repalced come up again. i would recommened that you change both of the o2 sensors at the same time. try checking if your catalatic convert is plugged. how you do this is take a dollar bill and hold it at the end of your tail pipe while it is idleing and if the dollar bill stays still you have a plugged catalatic converter.
Posted on Jan 13, 2009
BTW - if you have less than 100,000miles you might be able to have your cat replaced under warranty by the dealer. In Canada it's 160,000km.
Posted on Mar 16, 2009
The mass air flow meter is fitted to the air intake pipe Its quite a simple task to change it on your own.Has for the catalytic converter all you will have to do is give the car a realy hard reving when going through the gears and drive it hard for a few miles.That will clear your cat for you.Dont listen to the shop they are out to rip you off.Good luck.Any problems you can contact me via email@example.com.
Posted on Jul 18, 2009
there are no codes that say replace O2 sensors,or remove converter,Thats just somebody's guessing,When it says O2 sensor that tells the mechanic to look for trouble in that area,wiring or faulty readings,And there are four O2 sensors.
Posted on Jan 20, 2010
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