Question about Cars & Trucks
I replaced the " Y pipe and post converter, including the downstream O2 sensors. Now there are 3 incompletes for I/M readiness.
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Posted on Jan 02, 2017
SOURCE: 1999 suzuki grand vitara
G8D711S is not alarm system. This is Daytime Running Light module. You can pull out the connector, your front lights won't work when an engine start.
My GV 2002 has a Autostart AS1203 alarm system. There is a description on Internet.
Posted on Sep 21, 2008
SOURCE: 02 sensors not ready
The code P0420 indicates that the catalytic converter is not functioning efficiently. This could be because the cat is damaged or the engine is not running very well and the cat cannot keep up with the emissions. You should ensure that the spark plugs and ignition components are in top shape before replacing anything else. If a compression check reveals a low cylinder, you will not be able to prevent this code as even a new cat cannot keep up with a dead miss. If the state of tune and the compression is good, then you'll likely need a cat.
I've posted the drive cycle just so you know what to do when you have resolved the code.
Do not leave the key in prior to the cold start or the heated oxygen sensor diagnostic may not run.
Posted on May 14, 2009
SOURCE: PO135 Error Code
Bank one stands for the same side as the number 1 cylinder. Sensor 1 is
the first sensor in the bank, (closest to the engine or upstream).
In most cases you will find it on the drivers side\left hand side of the engine and above the catalytic converter. Look for it on the lower portion of the exhaust manifold.
Posted on Sep 07, 2009
SOURCE: P0420 and P0430
The AF sensors are uupstream and the O2 down stream. The car' s computer tests them and it is saying your cats are bad. If you have a scan tool you could look at the data and see what the sensors are seeing. The Af sensors are the ones that control the fuel ratio in the car while the O2's just watch. AF's would be the one to change but there is no garuatee that the codes won't come back.
Posted on Sep 25, 2009
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