Question about 2005 Kia Sportage
Short to ground in harness possibly check for continuity in the wires from sensor then if wires are good replace sensor
Posted on Feb 16, 2014
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Posted on Jan 02, 2017
First of all, defeating an emissions control device is illegal. With that out of the way, there is something causing that failure, and cutting the converter off will probably not solve the issue unless it's clogged. Converters won't clog unless there is a problem, so this all sort of comes full circle. You have some sort of failure somewhere in your engine's fuel management. A spark plug or some other ignition system component failing, a large vacuum leak, a leaking injector, a failure in some sensor are all possible causes. You have some troubleshooting to do before you start hacking.
Posted on Dec 21, 2010
The problem may not necessarily mean it is a bad sensor. Check first the cabling to the O2 sensor before the catalytic converter.
The slow response may also be due to fuel delivery or air mixture. Inspect first the fuel filter if it needs replacing. You may also have the fuel pressure checked. Try also spraying some tuner spray into the intake to clean the MAF sensor and the intake. The bad fuel mixture may also be caused by dirt. Check also for loose vacuum hoses or leaks. Check for leaks in the intake from the air filter.
You may also need a tune up. Check when this one was done.
Try the suggestions above before replacing the actual sensor.
Posted on May 02, 2011
In the exhaust converter inlet or pipe before it
for all upsteam sensors
On some small engines like a 4 cyl they are in the
exhaust manifold near the motor
Most sensors use a 22mm or 15/16" wrench or O2
Sensor Wrench or Socket
Sensor 1 is the ones closest to the motor
Sensor 2 is the downstream sensor in converter outlet
I would just change them all as you
just bought it & they probalby never were
changed at 100,000 miles
Do all your vehicles
Posted on Mar 08, 2013
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