P0430 f150

2009 - 2014 Ford F150 - Could use some help P0420/P0430 after header install - as title states I have been receiving these codes since installation of Kooks headers and kooks catted y pipe. Also this AM while at a stop light the little oil can showed up on dash and car died at stop light. Any help would be appreciated.

P0430 f150. Sony is launching PlayStation VR2 (PS VR2) on February 22, 2023, with a retail price of $549.99 for the headset and controller combo. Sony is launching its second-generation virtua...

We would like to show you a description here but the site won’t allow us.Getting the p0430 code. Checked Pre/Post cat temps, both cat's registered about a 40-50 degree jump. Ran a graph using forscan on Bank 1 vs Bank 2, but I'm not …The P0420 and the P0430 codes are caused by catalyst inefficiency. Replacing your catalytic converter is costly, so, knowing if a new catalytic converter is needed pays off. Your car’s exhaust system (below) comprises: a catalytic converter (s), at least two oxygen sensors and exhaust pipes that route the engine’s exhaust from the …2015 - 2020 Ford F150 - 2017 3.5L Ecoboost P0430 Code - Dashlight light again. Used AutoZone reader and it hits on P0430. As I understand it, that's O2 sensor or Cat Convertor. Engine running fine. No loss of power or milage. I put in a bottle of Cataclean today and filled up with 93 octane but light is still on....Discussion starter · #1 · Oct 5, 2017. New to the forum and I am chasing the cause of an 0430 code. Bank 2 Efficiency below threshold. I have the Torque Pro app on my phone and an ELM connected. First thing I did was check the voltage of the O2 downstream sensors. Bank 1 was steady.Jul 24, 2017 · Received 6,199 Likes on 4,672 Posts. P0430 - Catalyst System Efficiency Below Threshold (Bank 2) Description: This DTC sets when the bank 2 catalyst system efficiency is below the acceptable threshold. Possible Causes: Use of leaded fuel. Damaged heated oxygen sensor (HO2S) Out of range engine coolant temperature (ECT) sensor. High fuel pressure. General F150 Discussion - CVF catted down pipes throwing cel codes P0420 & P0430 - Just installed CVf catted down pipes was good for 2 days and now I’m getting 2 codes P0420 & P0430, have cat back exhaust, catch can, turbo inlet tubes AMS, catch can, cold air intake open element, and 5-star 93 performance tune for...Jan 19, 2022 · 2 years 3 months ago #53733. P0430 after new cats, O2’s, and spark plugs. 2013 F150 5.0 was created by rscar26. Having a hard time trying to figure this out! -New cats for both banks. -New O2’s. -New spark plugs. -New MAF sensor. -negative LT fuel trims both banks -7% to -14%. -O2 voltage .75 both banks.

Two studies reiterate how working at home improves mental health. Here's what small business owners need to know about this important topic. Today 69% of employees in the United St...Small business owners in New York, New Jersey, Connecticut, Massachusetts and Pennsylvania have until June 6 to apply for (SBA) EIDL related to Hurricane Ida. Small business owners...`97 Taurus with DTC P0133, P0420, & P0430 I have a`97 Taurus GL with the standard 3.0 V6, auto with 114k miles. My wife's car. Bought it new, getting the CEL on most of the time.The former vice president and the Massachusetts senator met on the Democratic Party debate stage as fellow presidential candidates. But they go way back. The 10 qualifying Democrat...As such, an F-150’s catalytic converters could easily eclipse in expense compared to a Smart car. So, ... Diagnostic Trouble Code (DTC) P0430 indicates that the catalytic converter’s efficiency in bank 2 is below the threshold. The catalytic converter’s function is to eliminate or reduce harmful emissions, and it has a catalyst efficiency ...

Mar 31, 2022 · P0430 p0420 . Save Share. ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods, towing ... `97 Taurus with DTC P0133, P0420, & P0430 I have a`97 Taurus GL with the standard 3.0 V6, auto with 114k miles. My wife's car. Bought it new, getting the CEL on most of the time.Checked the codes, p0420 and 0430. Cat system threshold below thresholds. I cleared the codes, the truck seems to be running fine. • I did a lot of heavy towing this weekend in the mountains. Truck pulled fantastic. • I'm running a 5* 93 p/tow tune currently. • Both banks seem to have thrown this code simultaneously.2004 - 2008 F150 - '04 F150, code P0430 - This is from a 2004 ford f150 5.4L 4x4 new body style. please look at the photos I took of the code scanner. Is there something that tells wheather the cats are working correctly or the COPs?The P0430 code indicates that the powertrain control module (PCM) detects the poor efficiency of the catalytic converter at Bank 2. Basically, Bank 1 and Bank 2 are the two sides of the engine. Bank 1 represents the side of the car’s engine containing cylinder No. 1, while Bank 2 represents the opposite side of Bank 1. ...

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Aug 20, 2022 · How to diagnose DTC P0430 on a Ford F-150: This trouble code typically comes to an owner’s attention in one of two ways – when the check engine light (or more properly, the “Malfunction Indicator Lamp”) is lit, there’s a surprisingly decent chance that the issue is either DTC P0430 or DTC P0420 – catalytic converter issues really are quite common – so much so that this is one of ... Property deeds show you who currently owns a parcel of real estate. To get a homeowner's name and determine who's on a property deed, you can contact the county tax assessor or you...What does code P0430 mean on F150? P0430 code Ford F150 occurs when the PCM identifies an issue with the catalytic converter at engine Bank 2. Use the Way App to find the best gas discounts , EV charging near you , auto insurance , auto refinance , and more!`97 Taurus with DTC P0133, P0420, & P0430 I have a`97 Taurus GL with the standard 3.0 V6, auto with 114k miles. My wife's car. Bought it new, getting the CEL on most of the time.You may notice the following symptoms if you drive a vehicle with a P0430 trouble code: An illuminated or flashing check engine light; A failed emissions test; A rotten egg or sulfur smell; Often, code P0430 indicates a converter that’s worn out or degraded, rather than obstructed internally.I have the 2015 Platinum, 3.5 ecoboost with 85k miles. The problem originally started when the engine started misfiring and found a couple of my ignition coils went bad. Did a full tune-up, and replacement of spark plugs and ignition coils, then I got the check engine light, P0420. Since then I had the catalytic converter and O2 sensor for bank ...

Thanks to geopolitical tensions surrounding Russia's war in Ukraine, there will soon be a new world's longest flight — sort of. Thanks to geopolitical tensions surrounding Russia's...The rest of the exhaust looks new. 2015 - 2020 Ford F150 - 2019 2.7 Cat Converter Issues - I have a 2019 STX 2.7L with 131K miles that's already had three catalytic converters replaced. P0430 at 54K miles and again at 77K miles both replaced under warranty. P0420 replaced out of pocket at 116K miles and now looking at a CEL with a …I have a 2011 F150 3.5 ecoboost with 200k miles on this truck. I do regular maintenance and I do use a ford dealership to help with some of these. ... a front and rear differential lube change and a diagnostic for the engine light which ended up being those P0420 and P0430. I had Meineke install a whole new exhaust system, 4 new O2 …Maintenance Shop - P0430 and P0420 Codes - I am hoping you guys can help me. I have a 2016 F150, 3.5 Ecoboost with 125,000 miles and have been chasing the P0430 and P0420 codes, catalyst system efficiency below threshold bank 1 and 2, for some time now. At first, the CEL was intermittent, now it has been constantly...The DTC of P0420 and P0430 which both showed up, are listed as left and right banks of the catalytic converter. 3.There are two sets of upstream and downstream O2 sensors, one for each of the "banks" referred to by the DTC codes which are shown in the photo of the part. I turned off the "check engine" light and I am seeing what happens.The rest of the exhaust looks new. 2015 - 2020 Ford F150 - 2019 2.7 Cat Converter Issues - I have a 2019 STX 2.7L with 131K miles that's already had three catalytic converters replaced. P0430 at 54K miles and again at 77K miles both replaced under warranty. P0420 replaced out of pocket at 116K miles and now looking at a CEL with a …2015 - 2020 Ford F150 - Intermittent power loss, low RPM, followed with P0345 and P0349 - Hi, long time lurker. Scratching my head on the following issue and looking for some guidance, thank you. Issue: Intermittent power loss followed by P0345 and P0349 DTCs. Has happened on 4 occasions, 3 of the 4 were at altitude...P0430 2003 Ford F150 Code - Catalyst System Efficiency Below Threshold Bank 2. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.2015 - 2020 Ford F150 - P0430 Troubleshooting - Truck: 2015, 5.0, 251k miles. Original cats. Getting the p0430 code. Checked Pre/Post cat temps, both cat's registered about a 40-50 degree jump. Ran a graph using forscan on Bank 1 vs Bank 2, but I'm not sure the results really tell me much. I'll put a screen shot...2015 - 2020 F150 - 2016 F150 Ecoboost 3.5 P0420 and P0430 - Just bought 2016 F150 Ecoboost last week with 138k miles. Drove it home a few hundred miles and no issues Few days later CEL with P0420 Mechanic checked o2 sensors and said they were still ok. We ended up replacing the cat as it was below threshold with an...P0430 is an O2 sensor code. P0299 is an underboost code. I have gotten both those codes before. I have aftermarket downpipes, so it’s throwing the code because of that so I cleared the P0430 code and it comes back from time to time. ... 2022 Ford F150 XLT 3.5L 302A High E/G FX4 Rapid Red Metallic - JLT Intake - Rear Blocks Removed - …P0430 definition: Catalyst system efficiency below threshold (Bank 2). Issue Severity: MODERATE– Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0430 code.

Received 2,527 Likes on 1,951 Posts. P0420/P0430 (Catalyst System Efficiency Below Threshold (Bank 1/2)) possible causes ... • Leaded fuel was used where unleaded was called for. • A damaged or failed oxygen sensor (HO2S) • Downstream oxygen sensor (HO2S) wiring damaged or connected improperly. • The engine coolant temperature sensor is ...

Been throwing P0430 for a year now and I’m sick of it. Replaced both O2 sensors on bank 2. Interval has gone from every 3 months to every 3 days or less. I’ve seen TSP 12-10-19. 84K on the truck, runs fine. ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance …Can a Low Voltage Input from the Mass Airflow Sensor Cause the P0420 Engine Code in a Ford F-150? When the mass airflow sensor explained is not functioning properly, it can result in a low voltage input to the engine, which can trigger the P0420 engine code in a Ford F-150. This code typically indicates a problem with the catalytic …🔴 ¡Descubre todo sobre el código de avería P0430! En este video, exploraremos la descripción, los síntomas, las causas y las soluciones para resolver este p...78. The P0430 code is a common OBD-II code that indicates a problem with the catalytic converter. This code specifically refers to insufficient catalytic converter efficiency in bank 2. Identifying and fixing the cause of this code is crucial to maintaining the performance and emissions of your Ford vehicle.Sep 1, 2023 8:12 PM EDT. Catalytic converter. Kim2480 via Wikimedia Commons (CC BY-SA 3.0) Check Engine Light Codes P0420 and P0430. Replacing a catalytic converter or "cat" has become a big, expensive …P0420, P0430. Jump to Latest Follow Status Not open for further replies. 1 - 20 of 30 Posts ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods, towing questions, wheels, tires, lift kits, and much more!Feb 10, 2009 · 1997 - 2003 F150 - 97 f150 4.6l cel p0430 - I have a 97 F-150 Supercab, 4.6L (W). This past weekend the CEL came on and when I pulled the code it was P0430. I have replaced the spark plugs, PVC, spark plug wires, checked the cats, replaced the EGR valve and sensor, cleaned clogged EGR ports, replaced the fuel filter,...

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2015 - 2020 Ford F150 - P0430 and P0420 Fix - For those who have modifications, you will need to install Spark Plug Non-Foulers (18mm size) on rear 02 Sensors(5.0 engine). (Drill out foulers center hole with 1/2 Drill bit, does not have to be all the way through, drill fouler from the out side inward, enough for the...From all that you said, I will bet you have just an o2 sensor issue. 2009 - 2014 F150 - Truck throwing code P0430 - So just the other day I bought be this new truck. We'll new to me I drove it for a day and then the check engine light came on. I got my actron scanner out pulled the code and got P0430 cat not performing right bank 2.2015 - 2020 F150 - 2019 F-150 5.0L - P0430 - Catalyst System Efficiency Below Threshold (Bank 2). I've read where this may be the cat being bad, but I don't have any power loss, fuel economy is still 16 city and about 19 highway. I'm thinking it is the O2 sensor, but I'm not sure what side bank 2 is. I've read...Sep 1, 2023 8:12 PM EDT. Catalytic converter. Kim2480 via Wikimedia Commons (CC BY-SA 3.0) Check Engine Light Codes P0420 and P0430. Replacing a catalytic converter or "cat" has become a big, expensive drain on a lot of people's budgets these days. I want to share some information about what's happening here with emissions testing and some …The OBD-II trouble code P0430 is a generic code that translates to "Catalyst System Efficiency Below Threshold (Bank 2)". This code appears when the Engine Control Module (ECM) detects that the catalytic converter is not working as efficiently as it should be. ... P0430 Ford F150 – Code Meaning, Causes, Symptoms, & Fixes. August 31, 2023 …Jun 9, 2022 · Unless the CAI is messing up your MAF signal, the ECU will account for any and all air coming into the engine. 2009 - 2014 Ford F150 - Returning Code: P0430 - Hello all, I have a 2014 Ford F150 5.0 with 59,5xx miles. About a month ago I was driving a short distance and noticed a slight rattle like sound. 1997 - 2003 F150 - 97 f150 4.6l cel p0430 - I have a 97 F-150 Supercab, 4.6L (W). This past weekend the CEL came on and when I pulled the code it was P0430. I have replaced the spark plugs, PVC, spark plug wires, checked the cats, replaced the EGR valve and sensor, cleaned clogged EGR ports, replaced the fuel filter,...P0430 Symptoms. Some common symptoms associated with the P0430 code include: Check Engine Light: The most common symptom of the P0430 code is the Check Engine light illuminating on the dashboard. Decreased Fuel Efficiency: A malfunctioning catalytic converter can lead to decreased fuel efficiency. Decreased Performance: A damaged or clogged ... ….

There are really two main causes of P0073 in the Ford F150. Either the AAT is bad, or there is a problem with the wiring harness going to it. Malfunctioning ambient air temperature sensor. Faulty Powertrain Control Module (Not very common) A damaged or corroded electrical connector.Sep 13, 2023 · Hey guys I have a 2019 F150 with the 5.0L V8, my check engine light came on yesterday and I went and got codes pulled today. Came back with "P0430 Catalyst System Efficiency Below Threshold Bank 2". There are 3 screens with the same code but they say "Confirmed", "Pending", and "Permanent". I have no idea what all this mean but was quoted ... 2011+ Engine Related Questions - Chasing a P0430 Code 2011 Ecoboost - New to the forum and I am chasing the cause of an 0430 code. Bank 2 Efficiency below threshold. I have the Torque Pro app on my phone and an ELM connected. First thing I did was check the voltage of the O2 downstream sensors. Bank 1 was steady. Bank...1997 - 2003 F150 - 97 f150 4.6l cel p0430 - I have a 97 F-150 Supercab, 4.6L (W). This past weekend the CEL came on and when I pulled the code it was P0430. I have replaced the spark plugs, PVC, spark plug wires, checked the cats, replaced the EGR valve and sensor, cleaned clogged EGR ports, replaced the fuel filter,...Catalyst System Efficiency Below Threshold (Bank 1) is the meaning of the P0420 code. This code indicates that Catalyst System Efficiency (Bank 2) is below the threshold (P0430). The number one cylinder is located on the bank 1 side of the engine. In Bank 2, you will find the opposite side of the engine. P0420 and P0430 both showed up …Tech Notes. As the code description implies the P0430 code means that the vehicle's Engine Control Module (ECM) has detected that the Three-way Catalyst Converter is not working properly (it is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases, the Three-way …A quick search for P0430 on the forum found some threads you should read through. ... P0430 “Relax, it's just a truck forum." Member #43 My Mods 2018 F150 Lariat 3.5L (213cid) Special Edition, Sport, 4x4, 36 gal., 157", 6.5' bed “There is no right way to do a wrong thing." Reactions: stereotype one. Save Share. Like. 1 - 2 of 2 Posts.Had the same code. The code reader showed a steady ramp up and ramp down on the O2 signal indicating a bad cat. If it's really sharp, almost glitchy, it's probably the sensor. 2. Reply. Able-Stretch9223 • 6 mo. ago. Thanks for the info, I'll try a better code reader and see what's up. P0430 f150, Capitalism and socialism are two completely different forms of government, but can the two coexist? Learn about capitalism and socialism. Advertisement Capitalism and socialism hav..., Jul 5, 2022 · The P0430 on the Ford f150 code is associated with the catalytic converter system efficiency in bank 2. This catalytic converter is the storage of heated oxygen. When the oxygen storage capacity is high, it shows a low switching frequency for oxygen sensor 2. If the oxygen storing capacity reduces, the switching frequency increases. , The Ford F150 P0430 Code is a Diagnostic Trouble Code (DTC) that indicates an issue with the efficiency of the catalytic converter in bank 2 of the engine. When this code is triggered, it means that the …, If you’re in the market for a used Ford F150, it’s important to know what to look for when searching for one near you. The Ford F150 is one of the most popular pickup trucks on the..., 2015 - 2020 Ford F150 - p0430 code 2016 3.5ecoboost - Hey guys, 2016 XLT F150 3.5 eco 2wd, 117k miles. For the last 6 months now or so I've had the P0430 code and the check engine light come on. Sometimes it has turned itself off and I have also reset it with my scan tool a few times. I've cleaned the airflow sensors..., Apr 30, 2021 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code FORD P0430 Saving Repair... , Aug 19, 2020 · 16 Posts. #2 · Aug 19, 2020. You need to watch what the o2 sensors on bank 2 are doing when at operating temp. The upstream switches quickly the downstream switches slowly when the cat is working properly. When the cat is worn out rear o2 will switch quicker. Compare it to the reading on the other bank. , In this video, I will show an easy and cheap fix for Codes P0420 or P0430 Catalyst Efficiency Below Threshold on banks 1 or 2. MILWAUKEE'S Electric Tools MLW..., Oct 5, 2017 · Chasing a P0430 Code 2011 Ecoboost. New to the forum and I am chasing the cause of an 0430 code. Bank 2 Efficiency below threshold. I have the Torque Pro app on my phone and an ELM connected. First thing I did was check the voltage of the O2 downstream sensors. Bank 1 was steady. , Summary. This article supersedes TSB 23-2337 to update the Service Procedure and the causal part. Issue: Some 2022-2023 F-150 hybrid vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0420 and/or P0430 stored in the powertrain control module (PCM)., The cost to diagnose the P0430 2002 Ford F150 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto …, A P0430 code on a 2016 F150 3.5 Ecoboost does point towards a possible issue with the catalytic converter, especially considering the slight rough idle you're experiencing. ... 2015 Ford F-150 Lariat with 3.5L Ecobost. 37k miles, all maintenance done by Ford, use only a Teir 1 gasI love the truck and motor. ..., 2009 - 2014 Ford F150 - F150 vs. Oklahoma Tornado - Saw this article on Fox News... Pretty sweet! Glad to know I own the same gen. F-150 as this guy!, Discussion starter · #1 · Oct 5, 2017. New to the forum and I am chasing the cause of an 0430 code. Bank 2 Efficiency below threshold. I have the Torque Pro app on my phone and an ELM connected. First thing I did was check the voltage of the O2 downstream sensors. Bank 1 was steady., 2004 - 2008 F150 - '04 F150, code P0430 - This is from a 2004 ford f150 5.4L 4x4 new body style. please look at the photos I took of the code scanner. Is there something that tells wheather the cats are working correctly or the COPs?, When a P0430 error code appears on a Ford F150, it usually means that there is a problem with the catalytic converter or one of the oxygen sensors. There are a few steps and methods that can be taken to diagnose the issue and find a solution to fix it., 2015 - 2020 Ford F150 - P0430 CEL on 2016 F150 Lariat 3.5L ecoboost - Got home today and looked at my dash to see the check engine light was on. Reading a p0430 error ..., Essentially a code P0430 is telling you that your catalytic converter isn’t converting enough exhaust into water – which is what it’s supposed to be doing. Understanding how the system works is critical to understanding what this code is telling you. Your exhaust system has two oxygen sensors, one before the catalytic converter …, CrescoF150. Registered. Joined Apr 22, 2020. 19 Posts. Discussion starter · #1 · 36m ago. Hello there, 200k on Ecoboost now throwing a P0430 code. Issue is it won't turn over. It will chug and chug but never actually turn the engine over. Possibly this is a catalytic converter or a spark plug issue?, Code P0430 Ford Description. The Engine Control Module ( ECM) monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and heated oxygen sensors 2 (rear O2 sensor). A three-way catalyst converter (Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2., 2011+ Engine Related Questions - Chasing a P0430 Code 2011 Ecoboost - New to the forum and I am chasing the cause of an 0430 code. Bank 2 Efficiency below threshold. I have the Torque Pro app on my phone and an ELM connected. First thing I did was check the voltage of the O2 downstream sensors. Bank 1 was steady. Bank..., I have a 2011 F150 3.5 ecoboost with 200k miles on this truck. I do regular maintenance and I do use a ford dealership to help with some of these. ... a front and rear differential lube change and a diagnostic for the engine light which ended up being those P0420 and P0430. I had Meineke install a whole new exhaust system, 4 new O2 …, Dec 2, 2014 · 2004 - 2008 Ford F150 - 2004 F150 5.4L 4WD P0430 code - So I was driving home tonight in rush hour traffic cruising about 55 and I got a check engine light. No change in performance, no misfire, no rough idle, nothing but the light. Went by AutoZone to have the code read, turns out P0430 bank 2 cat issue. Any ideas... , AZYO: Get the latest Aziyo Biologics stock price and detailed information including AZYO news, historical charts and realtime prices. Wells Fargo raised the price target for Enovi..., 2015 - 2020 Ford F150 - P0420 and P0430 code on 2015 3.5l ecoboost - Bought this truck a few weeks ago and it runs great. A hell of an upgrade from my 02 screw 5.4. ... P0430 - Catalyst System Efficiency Below Threshold (Bank 2) Description: This DTC sets when the bank 2 catalyst system efficiency is below the acceptable threshold., Mar 31, 2022 · P0430 p0420 . Save Share. ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods, towing ... , 2014 F150 5.0L XLT keeps popping P0430 Code - Help! Reply Subscribe . Thread Tools Search this Thread #1 07-01-2022, 11:25 PM RJtheEMT. 1st Gear. Thread Starter ..., 2014 F150 5.0L XLT keeps popping P0430 Code - Help! Reply Subscribe . Thread Tools Search this Thread #1 07-01-2022, 11:25 PM RJtheEMT. 1st Gear. Thread Starter ..., Jul 24, 2017 · Received 6,199 Likes on 4,672 Posts. P0430 - Catalyst System Efficiency Below Threshold (Bank 2) Description: This DTC sets when the bank 2 catalyst system efficiency is below the acceptable threshold. Possible Causes: Use of leaded fuel. Damaged heated oxygen sensor (HO2S) Out of range engine coolant temperature (ECT) sensor. High fuel pressure. , Sep 1, 2023 8:12 PM EDT. Catalytic converter. Kim2480 via Wikimedia Commons (CC BY-SA 3.0) Check Engine Light Codes P0420 and P0430. Replacing a catalytic converter or "cat" has become a big, expensive drain on a lot of people's budgets these days. I want to share some information about what's happening here with emissions testing and some …, Code P0430 Ford Description. The Engine Control Module ( ECM) monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and heated oxygen sensors 2 (rear O2 sensor). A three-way catalyst converter (Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2., 2004 - 2008 Ford F150 - 05 5.4l Runs great Code P0430 Help! - Accidentally bought an 05 F150 Lariate at auction. 5.4l with 172k. Pretty clean and ran great. No repair history. Put some Berryman's infector clean in and filled tank. After 80 mi. CEL comes on P0430. I've changed oil 5-30 synth blend, sparkplugs...,