I'm looking to find a part for a 1996 Ford Probe GT 2.5 L. Part # F4209430A, and it's called Front Exhaust Manifold considered a catalytic converter, but not the real rear catalytic converter but one based right in the manifold itself. Does anyone have any help.
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It's the 3rd one back from the front of the car. Bank 2 is actually the front bank. Bank 2 sensor 1 is on the exhaust pipe that connects to the front exhaust manifold. After the sensor comes the catalytic converter. After the converter is sensor 2, the one you asked about. The other two sensors are before and after the bank 1 converter, which is farther back than tbe bank 1 converter.
Starting from the front, coming off the exhaust manifold should have, 1. Exhaust pipe, 2. Catalytic converter, 3. Exhaust pipe, 4. Resonator, 5. Tail pipe. Also, there should be an Oxygen sensor somewhere around the catalytic converter.
code p1443 - Evap canister purge system mafunction.possible cause faulty Evap canister purge valve.fuel vapor hose blocked between Evap purge valve and the FTP sensor or blocked between purge valve and intake manifold or vacuum hose blocked between purge valve and intake manifold.code po430 catalytic system efficiency bank 2 below threshold.possible causes. air leaks at the exhaust manifold or in the exhaust pipes. catalytic converter is damaged.ECT OR CHT SENSOR has lost its calibration.engine cylinders misfiring or the ignition timing off.engine oil is contaminated.front HO2S or rear HO2S is contaminated with fuel or moisture.both front HO2S OR REAR HO2S is loose in mounted hole. fuel pressure is too high due to faulty fuel pressure regulator.
The answer depends on the type of exhaust system you have. You will have either 3 or 4 total O2 sensors on your V8. If you have single exhaust with a single catalytic converter then you will have 3 O2 sensors (2 upstream sensors & one downstream sensor - "up or down stream" meaning before of after the catalytic converter). If you have either dual exhaust and/or two catalytic converters then you have 4 O2 sensors (2 upstream & 2 downstream). If you have an MIL light (malfunction indicator light, or "check engine light") the code will indicate "front bank / bank one", which is one of the 2 upstream O2's before the catalytic converter(s), or "rear bank / bank two", which is one of the O2's after the catalytic converter(s).
It is usually about three feet from the exhaust manifold. There should be the exhaust manifold an exhaust pipe that goes from the exhaust manifold and curves under the car to about right under the front seats. Then the catalytic converter.
Before removing any component of the exhaust system, always squirt a liquid rust dissolving agent onto the fasteners for ease of removal..
Raise and support the front of the vehicle on jackstands.
Remove the exhaust pipe-to-manifold nuts.
Support the catalytic converter, then disconnect the pipe from the converter. Remove the pipe.
Remove the exhaust gaskets.
Be sure to use all new gaskets when required. Assemble the system, check the clearance and tighten the bolts to about 15-30 ft. lbs. (20-41 Nm).
Fig. 1: Front exhaust pipe connection common on vehicles with the catalytic converter not included
All clamps should be tightened to about 18-25 ft. lbs. (24-34 Nm). Do overtighten the clamps. If pipes become dented they can leak.
The oxygen sensors in front and behind the converter are reporting too similar
Some suggested steps for troubleshooting a P0420 code include:
Check for exhaust leaks at the manifold, pipes, catalytic converter. Repair
Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor
in front of the catalytic converter normally has a fluctuating waveform. The
waveform of the sensor behind the converter should be more steady).
Inspect the downstream heated oxygen sensor (HO2), replace if necessary
no, if the oil pressure is eratic the first thing i would check is the oil pump. unless lots of black smoke is coming out the tail pipe. in that case your engine seals are bad and you will have to do a compleate rebuild on the engine.