Code p0420 dodge ram 1500

My 94 dodge ram 1500, 5.2L, runs okay but began using lot of fuel. Had trouble codes 37, 32, and 51. Cleaned throttle body and checked for vaccum leaks or bad hoses.

Oct 20, 2022 · Here is an updated video with more information. https://www.youtube.com/watch?v=e1R843nLM0sHow to fix a Dodge with a P0430 code, "Catalyst System Efficiency ... Asked by tdtony3 Aug 22, 2014 at 08:03 PM about the 1999 Dodge RAM Van 1500 Cargo RWD Question type: Maintenance & Repair My check engine light came on with a P0420 code, which means,catalyst system below threshold Bank 1.The most common fix for P0420 in the Dodge Ram is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Ram into an exhaust shop for an (expensive) new catalytic converter, let’s ensure that’s what you need. Here’s a good P0420 diagnostic order for the Dodge Ram: 1. Check for Other Codes.My p0420 on dodge 1500 ram 2002 with 91,559 miles came on. I checked and it was my catalytic converter 1 of 1. i went and bought a new eastern catalytic converter on sale for 300.00 it retails for over...Catalytic converters don't last forever. In this video, we diagnose a P0420 on a Toyota Camry with over 330,000 miles! Enjoy!2010. Engine. 5.7. I have a 2010 1500 5.7 I’m new to this forum. it has a rough idle and runs poor, when coming to a stop the rpms bog out like it wants to stall but corrects it self. It has a “tick” sound. It wasn’t throwing codes and just yesterday it did and got p0301 misfire cylinder 1. I went over it today and found 2 (so far ...Jan 7, 2024 · The P0420 code for a Dodge vehicle indicates a problem with the catalytic converter on bank 1. P0420 is a diagnostic trouble code that relates to the catalytic converter on bank 1 in Dodge vehicles. When this code appears, it suggests that there is a malfunction with the catalytic converter, specifically on bank 1.

The P0463 code in Dodge Ram is a common issue that can cause the check engine light to turn on. The major causes of this code can be traced to several factors, including a faulty fuel level sensor, wiring issues, and other related problems. A fuel level sensor that fails to operate correctly can give inaccurate readings, leading to the P0463 code.Dodge ram 1500 p0344 2008 codes Ram p0420 tonight 1500 2002 pop code had dodgeforum Dodge ram 1500 2005 ignition turn off o2 sensor. Dodge ram p0456: evap system – small leak. Ram p0420 tonight 1500 dodgeforumHad a p0420 code pop tonight (2002 ram 1500) Had a p0420 code pop tonight (2002 ram 1500)P0344 …the 2025 ram 1500 is the most luxurious ram 1500 ever The All-New 2025 Ram 1500 Tungsten model is about to raise your expectations to the next level. Experience a newly redesigned exterior, a world-class sound system, premium leather seating and the Most Available Touchscreen Space In Its Class .How To fix a Dodge with a P0344 Code, "Camshaft Position Sensor “A” Circuit Intermittent (Bank 1 or Single Sensor)."P0132 is a common OBDII code that occurs in many vehicles, including the Dodge Ram. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. The air fuel sensor stays in rich biased mode for too long. There are also some less likely problems that can cause P0132. We’ll go over those below.P0420 is a diagnostic trouble code (DTC) for "Catalyst System Efficiency Below Threshold (Bank 1)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic ...

More than 276,000 cars with Takata airbags are on a "do not drive" order after recent deaths. The last thing you expect when you climb into your car is being hurt—or killed—by a de...Just popped the CEL on my truck last week with this code P0420. I have about 93,000 miles on my 05 Ram 1500. Went to the local auto parts shop and picked up a new Bosch O2 sensor - actually bought two as I am going to replace both downstream sensors while the truck is up on jacks.Diagnostic trouble code(DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).”. It indicates that the exhaust system’s oxygen levels are below the required threshold in Bank 1, which can damage the engine’s exhaust and fuel system. Bank 1 refers to the side of the engine that houses the number one cylinder.The Diagnostic Trouble Code (DTC) P0198 indicates “Engine Oil Temperature Sensor Circuit High.”. The power control module (PCM) sets code P0198 when the voltage signal sent by the oil temperature sensor is too high. The common issues setting this code could be a bad oil temperature sensor, faulty PCM, and sensor wiring issues.Apr 27, 2015 · I have a 2007 dodge ram 1500 with tuned exhaust. For the last couple months I have had this pickup in to 4 different shops to help resolve an engine code P0420. They have replaced an o2 sensor on the … read more P0132 is a common OBDII code that occurs in many vehicles, including the Dodge Ram. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. The air fuel sensor stays in rich biased mode for too long. There are also some less likely problems that can.

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Sep 11, 2018 ... ... was performed on a 2005 Dodge Ram 1500 5.7L HEMI. It has also worked on a Subaru. I am sure that it will help you! Good luck! #whatcomesnext.Top 4 Reasons Why You Replaced O2 Sensor and Still Have Code. The most common codes that people will see in this particular situation are P0134, 0138, and 0139, though you are probably seeing P0420. These codes do not point out to a specific issue but they can help hint at the root cause of the issue. Here are a couple of the parts to take a ...Adding RAM (Random Access Memory) to your computer can be an affordable and easy way to boost your computer's overall performance. You will notice an increase instantly in your com...Apr 22, 2016 ... Ram Ecodiesel P0420 DPF clog, low power, really bad fuel economy fix. ... Ram EcoDiesel 1500 3.0L. Thoroughbred Diesel ... 14+ Dodge Ram 3.0 ...How to diagnose code P0420 on a Ram ProMaster. Typically, you'll find out about P0420 because your malfunction indicator lamp or "check engine light" turned on & you or a mechanic diagnosed the problem with an OBD II code scanner like this one from Bluedriver. You may experience a very slight reduction in engine power from reduced exhaust flow ...2001 DODGE RAM 1500 4x4 OFF-ROAD Q/C 5.9l :rck:-QUAD CAB CLUB # 54. Save Share. Like. I. irishboi2000 Discussion starter 21 posts ... the P0420 code appeared.

P0420 Code. How to fix it. Don't spent tons of $$$. ~This also true for the po430 Code!Check out My Amazon Auto Accessories Store! Lets make that Weekend job...The P0420 code is a common automotive diagnostic code that many Dodge Ram 1500 owners may encounter. This code specifically relates to the catalytic converter’s efficiency and indicates that there is a potential issue with this component. When the P0420 code is triggered, it means that the catalytic converter is not functioning at its optimum ...Sep 21, 2023 · September 21, 2023. A Dodge Ram 1500 displaying the P0344 code can be of concern to any owner. This code signifies an issue with the camshaft position sensor’s signal in Bank 1, where the first engine cylinder resides. The powertrain control module (PCM) detects an intermittent signal, indicating potential problems in your vehicle’s ... =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈===== DODGE P0420 =====Engine Code DODGE P0420 Saving Repa...Dec 24, 2022 ... P0420 - Catalyst System Efficiency Below Threshold (Bank 1) #P0420#Dodge#Catalytic Converter This video will introduce the diagnostic ...P0420 OBD-II Trouble Code Technical DescriptionCatalyst System Efficiency Below Threshold (Bank 1) ... Dodge Ram Truck 3rd Gen (02 – 08) Forums. 3G Dodge RAM ...Control Circuit Malfunction. If the PCM has commanded cooling fan 1 to turn on, but there is an error, P0480 will be stored in the PCM’s memory. This occurs if either …This code indicates that there is a problem with the electrical circuit that controls the cooling fan’s operation. The cooling fan is crucial in maintaining the engine’s …I almost bought a code scanner until I learned on this forum how to see the codes in my vehicle. 1. Get in the truck and depress the brake pedal. 2. Turn the key to the on position (when the instrument panel lights up) and off three times. That’s on/off, on/off, on. Leave the key in the on position on the third sequence.P0420 OBD-II Trouble Code Technical DescriptionCatalyst System Efficiency Below Threshold (Bank 1) ... Dodge Ram Truck 3rd Gen (02 – 08) Forums. 3G Dodge RAM ...Oct 20, 2022 · Here is an updated video with more information. https://www.youtube.com/watch?v=e1R843nLM0sHow to fix a Dodge with a P0430 code, "Catalyst System Efficiency ...

I almost bought a code scanner until I learned on this forum how to see the codes in my vehicle. 1. Get in the truck and depress the brake pedal. 2. Turn the key to the on position (when the instrument panel lights up) and off three times. That’s on/off, on/off, on. Leave the key in the on position on the third sequence.

Jun 16, 2017 ... Comments744 · The Trainer #118: The REAL Cause Of P0420/P0430 DTCs · How To Diagnose A P0420 Catalytic Converter Low Efficiency Code Plus Exhaust&nbs... My 94 dodge ram 1500, 5.2L, runs okay but began using lot of fuel. Had trouble codes 37, 32, and 51. Cleaned throttle body and checked for vaccum leaks or bad hoses. January 30, 2023 by Jason. P0300 is a generic OBDII code that can occur with the Dodge Ram. This code indicates that your truck’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring).bought a 2006 dodge ram 1500 pretty dirt cheap it has a problem, to were it has OBD II trouble codes, P0300,P0420,P0456,P0401,P0138 pop up. vehicle has been siting for about 7 months.When try to start … read more I have a 2003 Dodge Ram 1500. Keep getting the same code on check engine light....Help! 17 Answers. I have a 2003 Dodge Ram 1500 4wd, Club Cab. Runs good except I keep getting the same code on the check engine light. Random misses Cylinder 5 & 6. I have had the oxy sensors replaced. Replace th... swap the rear driver side o2 sensor with the rear passenger side o2 sensor-might be a pain though with rust. disconnect the negative on your battery for a few minutes to erase the 420 code and see if the code pops up on the other side-should come up as p0430. 2011 1500 CC Sport 4x4. Like.P0420 Code. How to fix it. Don't spent tons of $$$. ~This also true for the po430 Code!Check out My Amazon Auto Accessories Store! Lets make that Weekend job...the 2025 ram 1500 is the most luxurious ram 1500 ever The All-New 2025 Ram 1500 Tungsten model is about to raise your expectations to the next level. Experience a newly redesigned exterior, a world-class sound system, premium leather seating and the Most Available Touchscreen Space In Its Class .Dec 11, 2023 · The P0480 code in Dodge vehicles can be triggered by various factors, including: 1. Faulty cooling fan relay: The cooling fan relay may fail, preventing proper operation of the cooling fan. 2. Defective cooling fan motor: A malfunctioning fan motor may not operate at all or spin inconsistently, causing the P0480 code. 3. P0302 in the Dodge Ram is a common OBD II trouble code. It indicates that your truck’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your Ram’s check engine light to come on, you shouldn’t drive your truck at all. Repairing P0302 should be considered a ...

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How to diagnose code P0420 on a Ram ProMaster. Typically, you'll find out about P0420 because your malfunction indicator lamp or "check engine light" turned on & you or a mechanic diagnosed the problem with an …How to diagnose code P0420 on a Ram ProMaster. Typically, you'll find out about P0420 because your malfunction indicator lamp or "check engine light" turned on & you or a mechanic diagnosed the problem with an OBD II code scanner like this one from Bluedriver. You may experience a very slight reduction in engine power from reduced exhaust flow ... I have a 2003 Dodge Ram 1500. Keep getting the same code on check engine light....Help! 17 Answers. I have a 2003 Dodge Ram 1500 4wd, Club Cab. Runs good except I keep getting the same code on the check engine light. Random misses Cylinder 5 & 6. I have had the oxy sensors replaced. Replace th... If you own a Dodge Ram 1500 and are considering selling it in the future, it’s essential to understand how to maximize its resale value. One tool that can help you determine the wo...Ram p2098 & p1521 codes 2006 ram 1500 5.7l hemi. While driving on interstate codes p2098 and p1521 caused the light to come on truck runs and idles good. Stock truck other than a new catalytic put on to replace the missing one when truck was bought.... 07 dodge ram 1500 p2098 p2096 code help Ok guys looking for some help here. I have a 07 …I have a 2005 dodge ram 1500 5.7 L Hemi 4 door engine light on odometer code reeds P0420 can you - Answered by a verified Dodge Mechanic We use cookies to give you the best possible experience on our website.Jul 10, 2023 · The P0463 code in Dodge Ram is a common issue that can cause the check engine light to turn on. The major causes of this code can be traced to several factors, including a faulty fuel level sensor, wiring issues, and other related problems. A fuel level sensor that fails to operate correctly can give inaccurate readings, leading to the P0463 code. Jan 7, 2020 ... In this video I replace both 02 sensors on the driver's side of my 2005 Dodge Ram 1500 with the 5.7 Hemi v8. Even though the title just says ...Diagnostic trouble code(DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).”. It indicates that the exhaust system’s oxygen levels are below the required threshold in Bank 1, which can damage the engine’s exhaust and fuel system. Bank 1 refers to the side of the engine that houses the number one cylinder.Here’s why Chrome uses so much RAM—and the steps you can take to curb its gluttony. Google Chrome is one of the most popular web browsers around, but it uses an exorbitant amount o...CODE P0013 B CAMSHAFT POSITION ACTUATOR CIRCUIT OPEN BANK 1 DODGE JEEP CHRYSLERIf you have a Dodge, Chrysler, Jeep, or Fiat and you have engine light on and ...The P0420 code signals a low catalyst system efficiency. This code suggests that the oxygen levels are below the desired threshold (Bank 1), which most often results from problems with your car ... ….

P0520 is a common OBD2 trouble code. It's generic, which means that it has the same meaning for the Dodge Ram as it would any other vehicle. P0520 indicates that the oil pressure sensor is operating outside of its normal "range". It is typically caused by a bad oil pressure sensor switch or a.RAM 1500 EcoDiesel Forum (2014-2019) RAM 1500 Diesel General Discussion P0420 Code. Tags ecodiesel p0420 ram1500 ecodiesel. Jump ... What was the fix you found for the P0420 code. I've been deleting the code but it comes back every 100 miles or so. Save Share. Like.Ram p0420 code dodge tonight 1500 2002 pop had dodgeforum P0420 dodge grand caravan Dodge p0420 dart compass. P0420 – Catalytic converter system, bank 1 -efficiency below threshold. P0420 dodge caravan 2013 Code p2271: signal du capteur o2 biaisé/ coincé riche banque 1 capteur 2011, 5.7, 217,000 miles, p0016.P0133 is a common OBDII code that occurs in many vehicles, including the Dodge Ram. The code is triggered when there is an issue with the response time from the oxygen (O2) sensor when switching voltage levels. The O2 sensor is responsible for helping the ECM meter oxygen levels in the exhaust in order to create the ideal air/fuel mixture.Jul 10, 2023 · The P0463 code in Dodge Ram is a common issue that can cause the check engine light to turn on. The major causes of this code can be traced to several factors, including a faulty fuel level sensor, wiring issues, and other related problems. A fuel level sensor that fails to operate correctly can give inaccurate readings, leading to the P0463 code. Jul 10, 2023 · The P0463 code in Dodge Ram is a common issue that can cause the check engine light to turn on. The major causes of this code can be traced to several factors, including a faulty fuel level sensor, wiring issues, and other related problems. A fuel level sensor that fails to operate correctly can give inaccurate readings, leading to the P0463 code. The Diagnostic Trouble Code (DTC) P0198 indicates “Engine Oil Temperature Sensor Circuit High.”. The power control module (PCM) sets code P0198 when the voltage signal sent by the oil temperature sensor is too high. The common issues setting this code could be a bad oil temperature sensor, faulty PCM, and sensor wiring issues.Jan 29, 2024 · Diagnostic steps to address the P20EE code in Ram 1500 EcoDiesel: 1. Scan for fault codes: Use an OBD-II scanner to retrieve the specific trouble codes, including the P20EE code. 2. Inspect the DPF and catalytic converter: Visually examine the DPF and catalytic converter for any signs of damage or clogging. 3. The definition of code P0420 Is Catalyst Efficiency. You may have an oxygen sensor problem or a catalytic converter problem. Your vehicle has 2 oxygen sensors. Check your oxygen sensors.If they are then you may need a catalytic converter. Depending on your mileage it may be covered under a Dodge emissions warranty. Code p0420 dodge ram 1500, The P0440 code is a common trouble code that many Dodge Ram owners may encounter. It indicates that there is an issue with the truck’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or …, Diagnostic steps to address the P20EE code in Ram 1500 EcoDiesel: 1. Scan for fault codes: Use an OBD-II scanner to retrieve the specific trouble codes, including the P20EE code. 2. Inspect the DPF and catalytic converter: Visually examine the DPF and catalytic converter for any signs of damage or clogging. 3., Sep 8, 2022 · P0420 CEL Came on. 2021 2500 6.7 I got a code of P0420 catalytic converter took it to the stealership and they checked o2 sensor and nox sensor advised me of a dent in my catalytic converter and the gaskets are leaking. They cleared the code and told me it might come back only time will tell. , Here’s why Chrome uses so much RAM—and the steps you can take to curb its gluttony. Google Chrome is one of the most popular web browsers around, but it uses an exorbitant amount o..., Chris, The code P0420 set when the bank 1 catalytic converter is reading below efficiency and providing you have no exhaust leaks on Bank one, ... I got a 2015 dodge ram 1500 3.6 liter I have a abs code for c003a-1d right rears peed sensor circuit out of range. ..., Feb 8, 2021 ... 2018 Dodge Ram Code ... Ram Ecodiesel P0420 DPF clog, low power, really bad fuel economy fix. ... 2013-2018 Dodge Ram 1500 8 speed Transmission ..., Over the course of 96 hours last week, TPG Engagement Editor Richard Kerr's new RV sprung a roof leak, his son fell off a campground playground breaking his arm and my brand new 20..., P0420 Dodge Ram Ultimate Dodge. Dodge Ram 1500 P0420. Web pondok pesantren sirojul huda potrobangsan magelang beralamat di wates tengah, ... Had a P0420 code pop tonight (2002 Ram 1500) Check Details. P0420 Dodge Ram Ultimate Dodge. Check Details. P0420 Dodge Ram Ultimate Dodge., It’s usually caused by a broken hose or a faulty EVAP purge valve. P0441 is one of the more common OBD II codes that can occur in the Dodge Ram. It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is …, Catalytic converters don't last forever. In this video, we diagnose a P0420 on a Toyota Camry with over 330,000 miles! Enjoy!, The P0420 code in a Dodge Ram will often be thrown if one of your truck’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with P0420. For most people, the first sign that anything is wrong is the service engine soon light coming on. Here are the typical … See more, I own a 2018 RAM1500 EcoDiesel and this time I have a P0420 that the engine threw this afternoon after I drove after a while. The code read "Catalyst System …, 132 posts · Joined 2004. #4 · Jan 14, 2009. Im in the same boat after replacing cat - (p0420 code) Although its not on my dodge, I am having the same exact issue! Its my 97 Honda Prelude. When I got the car, some punk had unstalled a gutted cat (had a perma check engine light) I ordered a high flow cat and replaced., P0420 code dodge ram 1500 Ram 1500 p0308 and tick 2004 ram 1500 4.7 l. not idling right or dies. p0068 code Seeks owner oil I have that 2000 ram 2500 that had the p0602 code in it and you saidP0420 dodge ram 1500 5.7 P0420 dodge caravan 20132006 dodge ram 1500 5.7 hemi v8 having problems ( code p0642 has., Labor: 1.0. To diagnose the P0452 Dodge code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., P2098 is a generic OBD II code. It specifically indicates that your Ram detected a lean condition after the catalytic converter (too much air for the amount of fuel present). P2098 Definition This particular code is generic, so it has the same meaning for your Dodge Ram as any other vehicle. There are three parts., The P0480 code in Dodge vehicles can be triggered by various factors, including: 1. Faulty cooling fan relay: The cooling fan relay may fail, preventing proper operation of the cooling fan. 2. Defective cooling fan motor: A malfunctioning fan motor may not operate at all or spin inconsistently, causing the P0480 code. 3., A 2014 Dodge Ram 1500 weighs 2,325 kilograms (5,126 pounds) and a payload of 708 kilograms (1,560 pounds). This truck has a towing capacity more than its weight of 3,606 kilograms ..., 2002 Ram 1500 SLT 4x4 QC ~ 02 Ram 45RFE to Jeep GC TCM 5-45RFE Upgrade - (Nov.01) 4.7L with 91K/3588hrs, 4.56 R&P/DTT, Sonnax Line Booster, SRT-10 Pod w/Dynojet Wideband Commander, 2-speed manual transfer-case, Clifford Security System w/Auto Start/Auto Windows, RB1 CD/DVD/NAV Infinity Sound System w/30GB iPod, Offroad Package, 33" Bridgestone Dueler A/T, Mopar Rear Wheel Liners, K&N w/Airaid ..., Apr 22, 2016 ... Ram Ecodiesel P0420 DPF clog, low power, really bad fuel economy fix. ... Ram EcoDiesel 1500 3.0L. Thoroughbred Diesel ... 14+ Dodge Ram 3.0 ..., O2 sensor change, Diagnostic steps to address the P20EE code in Ram 1500 EcoDiesel: 1. Scan for fault codes: Use an OBD-II scanner to retrieve the specific trouble codes, including the P20EE code. 2. Inspect the DPF and catalytic converter: Visually examine the DPF and catalytic converter for any signs of damage or clogging. 3., P0420 dodge ram 1500. Code p0420 dodge dart, chrysler 200, jeep cherokee compass renegadeP0456 ram dodge system evap leak small p0441 normally immediate threat drive Dodge ram 1500 3.9 5.2 5.9 p0133 p0132 is it a bad sensor pcm wires badP0420 code dodge ram 1500., Jul 2, 2010 · The codes p1596 and 0420 have appeard on my 2002 dodge ram 1500 quad cab and was needing assistance. The P1596 is Speed Control Switch Always High and P0420 is Catalyst Efficiency Below Normal (Bank 1) and try taking the positive cable off battery for ten minutes and see if that doesn't help that way it will reset the computer and may just drop ... , More than 276,000 cars with Takata airbags are on a "do not drive" order after recent deaths. The last thing you expect when you climb into your car is being hurt—or killed—by a de..., Just popped the CEL on my truck last week with this code P0420. I have about 93,000 miles on my 05 Ram 1500. Went to the local auto parts shop and picked up a new Bosch O2 sensor - actually bought two as I am going to replace both downstream sensors while the truck is up on jacks., P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of potential causes (more on that in the last section of the article. The most common causes of P0174 are a vacuum leak or a dirty MAF sensor. On older Hemi Ram’s, the fuel pump is often the issue., P0420 is a diagnostic trouble code (DTC) for "Catalyst System Efficiency Below Threshold (Bank 1)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic ..., Vehicle: 2005 Dodge Ram 1500 4.7l 4x4. 05 Ram 1500 Engine codes P0138, P0138PD, P0420. Post by Dodge05 » Sat Mar 31, 2018 7:35 pm. 05 Ram 1500 4.7l 4x4, The definition of code P0420 Is Catalyst Efficiency. You may have an oxygen sensor problem or a catalytic converter problem. Your vehicle has 2 oxygen sensors. Check your oxygen sensors.If they are then you may need a catalytic converter. Depending on your mileage it may be covered under a Dodge emissions warranty., Feb 10, 2010 · Just popped the CEL on my truck last week with this code P0420. I have about 93,000 miles on my 05 Ram 1500. Went to the local auto parts shop and picked up a new Bosch O2 sensor - actually bought two as I am going to replace both downstream sensors while the truck is up on jacks. , Jul 16, 2013 ... We have a 2005 Chrysler Town & Country 3.8 with a P0420 Catalyst System Efficiency Below Threshold (Bank 1). Join us as we diagnose this ..., P0420 dodge grand caravanP0420 code dodge ram 1500 Dodge ram p0420: eficiencia del sistema del catalizador → por debajoHow to fix dodge p0420 engine code in 3 minutes [3 methods / only $19.. P0420 dodge grand caravanRam promaster oil change Code défaut p0420: circuit de catalyseur, ligne 1 – rendement inférieurDodge …