P3191 toyota prius

Prius 2001 (Gen 1) P3191 & P0300 Jump to Latest Follow 5K views 3 replies 2 participants last post by SorenLorenson Apr 28, 2017

P3191 toyota prius. Hybrid car pictures of the Toyota Prius, Ford Escape, Tesla Roadster, and Aptera. Check out this image gallery of Hybrid cars. Advertisement One of the most recognized Hybrids on t...

Mar 6, 2021 · All codes cleared, attempted restart. No start condition. P3191 P0A0F. Attempted start with carb cleaner again. Engine ran for 5 seconds before stopping again. Not able to do phone call, here is a diagnostic chart that you can use, it get's a little more involved. DTC P0A0F/238 ENGINE FAILED TO START.

The thermostat on a Toyota Sienna is similar to a bodyguard at a nightclub. They both control the flow of things going in and out of the place they're guarding, which with the Sien...Dec 2, 2013 · Model: I. I replaced the head gasket on my 2013 Toyota Prius because coolant was leaking into cylinder 1. I had the head machined, and followed the steps in that gasket masters video. When the job was done and I started the car, I got a P3190 DTC "poor engine power", and the engine started but sounded labored, sick, very low RPMs. Good luck trying to buy a Toyota, Kia or Honda. These auto brands have the lowest supply of cars available for sale at dealerships now. By clicking "TRY IT", I agree to receive new...Then it would try to start but: Trying to start was rough 5 seconds and never started up, just threw codes and said check hybrid system. Engine Codes P0123, P2135, P3191 and HV Battery ECU: P0A0F. Tried doing it 4 times, but nothing gets better. I took stuff apart and checked it and put it back together, and no change.On Thursday, a friend came over with an Autel Maxisys. The only codes found were P3190, P3191 and P0A0F. I have a Carista OBD2 Adapter (their app has major issues). I tried OBD Auto Doctor, which gave me the same codes as the Autel Maxisys. Dr Prius is currently loaded, but I have not purchased it yet.> Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > Attachments are working again! Check out this thread for more details and to report any other bugs. P0A0F and P3190. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by awommy, Mar 31, 2016. Page 1 of 2 …May 15, 2008 · 2001 Prius. Hello All! I just bought a 2001 with 98K miles. It was running fine, no probelms. Because the trunk was so dirty, I decided to clean the trunk and removed the 12V battery. When I re-installed it, the car would start then after 15 seconds or so, it would die. The red car with the exclamation point displays on the top right portion of ...

my car went into limp mode with the check engine light and red triangle of dead. After towing it home it still has the check engine light and now drives, but there is a delay between pressing the gas pedal and the car accelerating. The check engine code is P3191 which means engine no-start.2001-2009 Prius P3191, P3190, P0A0F – quick checks for Toyota Prius MIL repair most common codes from the 2001-2009 Toyota Prius, and often those that stump most auto mechanics and many a Toyota mechanic, are P3191 ( Engine Does Not Start), P3190 (Poor Engine Power) and P0A0F (Engine Failed to Start). Here are some quick things to check if ...2. P3191 means "engine no-start" and P3190 means "poor engine power". 3. How many miles on the odometer? 4. How much fuel is in the tank when you have a problem? For now, keep the tank 1/2 full or greater. With the Prius IG-OFF, open the hood, remove the engine air cleaner cover and look at the throttle body interior.2000-2002 Toyota Prius - Common Problems. A 2001 Toyota Prius. Cracked Brake Pressure Accumulator: See 2010-2015 Toyota Prius - Common Problems. Throttle Body Failure: Many Prius owners have experienced a sudden drop in engine power while on the road. This is attributed to throttle body failure, and replacing it usually fixes the problem.USA. Vehicle: 2005 Prius. Model: N/A. To make a long story short: I replaced a leaking fuel line and now the ICE won't run for longer than 10 seconds and produces P0A0F and P3193 codes. I'm able to clear codes after letting it sit for an hour or so, but they come back after brief idle. Battery was disconnected in an attempt to "reset" things.2008 Prius. C1241 is low 12 volt battery output. Check the voltage of the battery with a meter at the battery or the jump point with the car off. Also check the negative cable where it is fastened to the bodywork below the rear light for corrosion and tightness. P3191 Engine failed to start.

2001 Prius. Hello All! I just bought a 2001 with 98K miles. It was running fine, no probelms. Because the trunk was so dirty, I decided to clean the trunk and removed the 12V battery. When I re-installed it, the car would start then after 15 seconds or so, it would die. The red car with the exclamation point displays on the top right portion of ...The Toyota Prius Prime is called the best Prius yet—but is it enough to boost sales? A sweet price and new features make the case. By clicking "TRY IT", I agree to receive newslett...Vehicle: 2014 Prius. Model: Three. Inverter pump is code P0A93. You can check it by removing the inverter coolant reservoir cap and checking for a slight "turbulence" to the coolant with the car in ready mode. Engine water pump code is P261B. These are not your issues, though... P3190 in Gen 3 is trending toward fuel pump failure with some ...There’s some bad information floating around about Toyota hybrid codes P3190, P3191 and P0A0F. These common engine codes are often blamed on a failing hybrid battery. A mistake that can cost Prius...I have a 2003 prius that suddenly stopped running with the hybrid system warning light illuminated. Took it to the dealer and they told me it logged the following DTC's: P3101, P3190, P3191 as well as C1213 and C1521. They told me that the Engine management system ECU and relay need to be replaced to the tune of $1300 for parts and labor.

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The First Hybrid Car - The first hybrid car was a major breakthrough. Learn more about the first hybrid car at HowStuffWorks. Advertisement The first hybrid car wasn't the Toyota P...2003 Prius. Our inverter pump failed and we had a local mechanic change it, and it ran perfectly after he changed it, and then when we went to pick it...The Toyota Prius has long been hailed as one of the pioneers in hybrid technology, offering a fuel-efficient and environmentally friendly driving experience. The first factor to co...The Toyota Prius has long been known for its fuel efficiency and eco-friendly technology. With the release of the 2023 model, Toyota has taken it a step further by enhancing the pe...There’s some bad information floating around about Toyota hybrid codes P3190, P3191 and P0A0F. These common engine codes are often blamed on a failing hybrid battery. A mistake that can cost Prius...Nebraska. Vehicle: 2005 Prius. Model: ----USA----. Alright guys. Got a 2007 Prius that will not run for more than 10 seconds and then throws either a P3191 or a P3190. Battery voltage is good at 12.6V, verified that vehicle has spark, fuel volume, fuel pressure is 50 psi, injector pulse is fine. Have cleaned throttle body and mass air flow.

Yep. You are correct. That is the descriptor for the P3191 code. In my case it would actually start for a few seconds and then immediately stop. Here's a nifty troubleshooting guide I found online which shows how to isolate the cause of the P3191 code. http://www.hybrids.ru/PriusNHW20/rm/rm1076e/m_05_0191.pdfThis past weekend I finally got Techstream to work and I used the software to grab the codes off of the car: Engine & ETC: P3190 – Poor engine power. P3191 – Engine does not start. ===. Hybrid Control: P0A0F – Engine failed to start. ===. Thankfully, the HV battery doesn't report any codes:2002 prius stalled after having oil change. codes are p1390 and P3191. Had just changed it and was driving home when it - Answered by a verified Toyota Mechanic. ... I have a 2010 Toyota Prius it was previously running and then the third cylinder was leaking antifreeze, so the head gasket was replaced. ...Circled in red is the spring for the throttle plate. Highlighted in green is a tab where you can rest your finger and rotate counter-clockwise to open the throttle plate so it can be cleaned. 2) Rotate the spring and use your other hand to clean the dirty side of the throttle plate and throttle body walls with throttle body cleaner.I have a 2003 prius that suddenly stopped running with the hybrid system warning light illuminated. Took it to the dealer and they told me it logged the following DTC's: P3101, P3190, P3191 as well as C1213 and C1521. They told me that the Engine management system ECU and relay need to be replaced to the tune of $1300 for parts …EXPLORE Prius Prime Plug into the Sporty Prius Prime. The 2024 Prius Prime offers performance, technology, safety and even a little attitude. This electrified sedan is built for enthusiasts looking for a spirited electrified ride. The fifth-generation hybrid powertrain coupled with a 2.0L engine gets hearts pumping with advanced EV …May 15, 2008 · 2001 Prius. Hello All! I just bought a 2001 with 98K miles. It was running fine, no probelms. Because the trunk was so dirty, I decided to clean the trunk and removed the 12V battery. When I re-installed it, the car would start then after 15 seconds or so, it would die. The red car with the exclamation point displays on the top right portion of ... The way that a P0401 is triggered on a 3rd Generation Toyota Prius is when one or more of the following happens. The EGR valve quits working, that MAP (manifold absolute pressure) sensor ...Welcome to Prius Chat. ... It looks like I can buy a cable and cd on Amazon for $70.00 or the software can be downloaded from Toyota with a monthly subscription. Is the software the same? What do you recommend? Thanks again. Chapman ... P0102 P0113 P0328 P3191 I did find that the Air Flow Sensor was not plugged in. It is now. #9 …

Founded in 2003, PriusChat has been the go-to spot for Prius, hybrid, and EV discussion for over 10 years. PriusChat is the one of the largest privately-owned car forums left on the internet. We hope you'll join our home to educated & critical discussion, falling outside of the fray of Internet trolls & unconstructive discussion.

So back at my house I hooked up my OBDII scan tool and it read a P3191 code. I found a Toyota troubleshooting guide online which helped me narrow it down to the MAF sensor. That code could have indicated some other problems, too, such as a bad fuel pump and some other stuff, but the MAF sensor made the most sense.2007 Prius. Model: N/A. Help! I got a routine oil change on Tuesday and after a mile or so after leaving my mechanic place the car stopped accelerating and all of the usual lights came on for the hybrid battery (triangle; VSC; check engine; Exclamation point in big circle). I had the car towed back to the mechanic (lost a day of because my car ...Feb 11, 2017 · Queensland Australia. Vehicle: 2010 Prius. Model: Three. p3190 code and won't start. Hi my 2010 prius stopped today whilst driving, lost power and then stopped completely and showed hybrid system fault. After stopping tried to move again but only got a few metres and tried turning off and on again but would not start. > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > Attachments are working again! Check out this thread for more ... Had codes P0A0F, P3190, P3191 and C0205. From the information I can gather, it seems this problem usually happens when the car is low on fuel. I don't think it ran out of fuel, I …Vios. ₱ 732,000 – ₱ 1,039,000. 360° view. Vios quantity. Add to cart. Overview. Exterior – LEVELED-UP LOOK. The Philippines’ best-selling got upgraded: a finessed exterior …P3191 - means the engine did not start in time The Dealer said it was the fuel pump, and because the fuel tank and pump are integrated in the Prius, the repair is complex, it would be $1017 to repair. I had the technician measure the fuel pressure to make sure it was low. The technician told me that Toyota is well aware of this issue.I have a 2003 prius that suddenly stopped running with the hybrid system warning light illuminated. Took it to the dealer and they told me it logged the following DTC's: P3101, P3190, P3191 as well as C1213 and C1521. They told me that the Engine management system ECU and relay need to be replaced to the tune of $1300 for parts and labor.

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Can you rent a car from a dealership? We explain which car dealerships rent cars, including Ford, Toyota, and more. Details inside. Most car dealerships are individually owned and ...Toyota has had to extend the service warranty because of these codes. The main problem lies in the dealer or service center adding too much oil during an oil change. Letter from Toyota on P3190 P3191 and P3101 code 204 205 Toyota Prius... This does not explain the shaking per se, unless it is from the gasoline engine stalling.However, I started the get this error, P3191. The engine will crank roughly for a few seconds, then stops. There is also smoke coming from the air intake when you open the air filter box. I replaced the MAF, cleaned the throttle body, and check the hoses are correctly connected. Still, the problem keeps.2010 Prius Diagnostic Trouble Code Chart Page 2 of 112 DTC CODE DETECTION ITEM TROUBLE AREA C1627 Vehicle Height Sensor Voltage is Low or High 1. Harness or connector 2. Headlight leveling ECU assembly 3. Parking assist ECU C1628 Vehicle Height Sensor Failure 1. Harness or connector 2. Rear height control sensor sub-assembly RH …After installing the engine I am getting a P3191 code, and a couple of times the P3190 code. The "Trouble Area" list is the same for both codes. It has run briefly for several seconds at the most before shutting down with the triangle of death. I have ignition and the injectors are spraying normally.> Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > Attachments are working again! Check out this thread for more details and to report any other bugs. ... I had a P3191. I found a newer version of the TSB (attached), printed it off, and set forth try to convince a dealer to replace the …Prius 2001 (Gen 1) P3191 & P0300 Jump to Latest Follow 5K views 3 replies 2 participants last post by SorenLorenson Apr 28, 2017Code: P3191. Definition: Engine does not Start. Description: Monitor runs whenever following DTCs are not present: None Fuel cut operation: Not operated Engine speed: 650 rpm or more (varies with engine coolant temperature) Communication with hybrid vehicle control control ECU: No malfunction. Cause: Intake system. Throttle body assembly.Toyota Motor News: This is the News-site for the company Toyota Motor on Markets Insider Indices Commodities Currencies Stocks> Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Main Forum > Generation 1 Prius Discussion > Attachments are working again! ... Codes P3108, P3191,P3101.Nebraska. Vehicle: 2005 Prius. Model: ----USA----. Alright guys. Got a 2007 Prius that will not run for more than 10 seconds and then throws either a P3191 or a P3190. Battery voltage is good at 12.6V, verified that vehicle has spark, fuel volume, fuel pressure is 50 psi, injector pulse is fine. Have cleaned throttle body and mass air flow. ….

Toyota Motor will build its first battery factory in the U.S. in North Carolina, the company and state officials confirmed Monday, as more automakers seek to take control of the su...> Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > Attachments are working again! Check out this thread for more details and to report any other bugs. P0A0F and P3190. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by awommy, Mar 31, 2016. Page …#2 · Dec 26, 2005. I would guess they suspect the fuel pump, which might require tank replacement. They better be sure of their diagnosis before they lay that bill on you! What else can cause the code? Id this the "fails to start quickly" code? 2005 Seaside Pearl, BC#6. Like. F. flynz4. 29 posts · Joined 2005. #3 · Dec 26, 2005. I have a question.2007 Prius. Model: N/A. Help! I got a routine oil change on Tuesday and after a mile or so after leaving my mechanic place the car stopped accelerating and all of the usual lights came on for the hybrid battery (triangle; VSC; check engine; Exclamation point in big circle). I had the car towed back to the mechanic (lost a day of because my car ...Location: seatown. Vehicle: 2010 Prius. Model: N/A. have a 2013 prius 1.8 gas engine and will not stay running even i i put in maintenance mode has codes p3190,p3191 down to 2 bars on hybrid battery.so i checked fuel pressure 50 psi drops to 45 within 10 min then stays .the manual says thats in range,blocked egr pipe with scraper to intake no ...Jun 16, 2020 · 2010 Prius. Model: IV. Yeah, P3191 comes down to the engine was cranked for as long as the car was willing to crank it, without starting. It's no fun to have that be intermittent. Have you noticed anything about temperature, moisture, or other conditions around the particular times it doesn't start? Because it's an engine-didn't-start code, it ... May 15, 2020 ... Join us as we diagnose this Ill 2009 Toyota Camry Hybrid. Customer was advised by the dealer to replace the hybrid battery because they were ...We explain the Toyota early lease termination policy, including when you can terminate your lease, how much it'll cost, and more. Toyota considers early lease termination to includ... P3191 toyota prius, > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Technical Discussion > Attachments are working again! Check out this thread for more details and to report any other bugs. ... 01 prius has a P3191 code and when i start it after being in the sun for a while the engine shuts off and warning lights illuminate. i cleaned my mass airflow …, TYIDY: Get the latest Toyota Industries stock price and detailed information including TYIDY news, historical charts and realtime prices. Indices Commodities Currencies Stocks, 2001 Prius. Hello All! I just bought a 2001 with 98K miles. It was running fine, no probelms. Because the trunk was so dirty, I decided to clean the trunk and removed the 12V battery. When I re-installed it, the car would start then after 15 seconds or so, it would die. The red car with the exclamation point displays on the top right portion of ..., Model: ----USA----. Results of troubleshooting and repairing 2003 Prius P1128 & P3191 codes. These codes appeared a week or so prior to the vehicle finally slowing down and eventually stopping. I had cleaned the throttle plate about a month earlier and cleared a previous code. Vehicle ran normally until the last situation where the P1128 and ..., 3191 Engine (aka ICE) does not start. 3090 Poor engine power. 3101 Engine system malfunction. 204 Abnormal engine output (abnormal signal from ECM) 205 Engine unable to start (due to abnormal signal from ECM) Bottom line, if your engine does not start and one or more of these DTC codes come up, you are covered by the extended warranty., Nearly all new Toyota vehicles come with a keyless entry remote. This small remote attaches to your key chain and can be used to unlock and lock your car, in addition to activating..., All codes cleared, attempted restart. No start condition. P3191 P0A0F. Attempted start with carb cleaner again. Engine ran for 5 seconds before stopping again. Not able to do phone call, here is a diagnostic chart that you can use, it get's a little more involved. DTC P0A0F/238 ENGINE FAILED TO START., Most Prius 12v batteries are located in the trunk on the passenger side (with the exception of the Prius C which is under the back seat and the 2016+ Prius which is under the hood). Luckily, Toyota added a second jump point in the fuse box under the hood of the car. How to open the hatch if the 12v is dead-Click Here, > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > Attachments are working again! Check out this thread for more details and to report any other bugs. ... P3191 (Engine System Malfunction) 3. C2131 (Unrelated code about a bad tire pressure monitor) 4., LE AWD. $29,350. Base MSRP. 53/54. Est. MPG. Top-mount Multi-Information Display (MID) with indicators and 7-in. LCD display. Blind Spot Monitor (BSM) with Rear Cross-Traffic Alert (RCTA) 8.0-in. Toyota Audio Multimedia display. See More Features Build., Toyota is partnering with Suzuki Motor Corporation, Daihatsu Motor Co. and Commercial Japan Partnership Technologies (CJPT) to build mini commercial electric. Toyota is partnering ..., May 15, 2020 ... Join us as we diagnose this Ill 2009 Toyota Camry Hybrid. Customer was advised by the dealer to replace the hybrid battery because they were ..., P0420 toyota prius trouble code top causes2001-2009 prius p3191, p3190, p0a0f Toyota prius hybrid code p3191Prius toyota 2006 2007 mileage specs reviews. This is why the sales of toyota's prius are nosediving in the u.sToyota prius 30 ошибка p3191 , p0a0f 🔋🪫 эвакуатор отменяем ‼️ Toyota prius check engine light ..., 2001-2007 Toyota Prius check engine/MIL/rattle after oil change – P3191 The 2001-2007 Prius equipped with the 1.5L 4-cylinder 1NZ-FXE is more prone to misfires and a check engine light after an oil change, especially if the oil level is overfull or the wrong weight oil is used., Yep. You are correct. That is the descriptor for the P3191 code. In my case it would actually start for a few seconds and then immediately stop. Here's a nifty …, Nebraska. Vehicle: 2005 Prius. Model: ----USA----. Alright guys. Got a 2007 Prius that will not run for more than 10 seconds and then throws either a P3191 or a P3190. Battery voltage is good at 12.6V, verified that vehicle has spark, fuel volume, fuel pressure is 50 psi, injector pulse is fine. Have cleaned throttle body and mass air flow., N/A. I recently have code P3191, P0A0F/205 and C1310/156 on 2005 Prius with 202K miles. The list below is what is complete. 1) 12v battery new. Measure 13v. 2) Hybrid battery new refurbished. Measure 15v on each pair. State of charge more than 50%. I use Prolong to charge when it needs., 2001 Prius. Hello All! I just bought a 2001 with 98K miles. It was running fine, no probelms. Because the trunk was so dirty, I decided to clean the trunk and removed the 12V battery. When I re-installed it, the car would start then after 15 seconds or so, it would die. The red car with the exclamation point displays on the top right portion of ..., Found the issue. https://www.tsbsearch.com/Toyota/T-SB-0041-15Fixed the issue by going to the dealership and having them replace the part …, > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Main Forum > Generation 1 Prius Discussion > ... Check out this thread for more details and to report any other bugs. Codes P3108, P3191,P3101. Discussion in 'Generation 1 Prius Discussion' started by 2004SuprGlide, Jun 6, 2015. 2004SuprGlide Junior Member. Joined: Sep 1, …, 2001-2007 Toyota Prius check engine/MIL/rattle after oil change – P3191 The 2001-2007 Prius equipped with the 1.5L 4-cylinder 1NZ-FXE is more prone to misfires and a check engine light after an oil change, especially if the oil level is overfull or the wrong weight oil is used., N/A. I recently have code P3191, P0A0F/205 and C1310/156 on 2005 Prius with 202K miles. The list below is what is complete. 1) 12v battery new. Measure 13v. 2) Hybrid battery new refurbished. Measure 15v on each pair. State of charge more than 50%. I use Prolong to charge when it needs., I have a 2003 prius that suddenly stopped running with the hybrid system warning light illuminated. Took it to the dealer and they told me it logged the following DTC's: P3101, P3190, P3191 as well as C1213 and C1521. They told me that the Engine management system ECU and relay need to be replaced to the tune of $1300 for parts and labor., 2001-2007 Toyota Prius check engine/MIL/rattle after oil change – P3191. The 2001-2007 Prius equipped with the 1.5L 4-cylinder 1NZ-FXE is more prone to misfires and a check engine light after an oil change, especially if the oil level is overfull or the wrong weight oil is used. To prevent this condition use only 5w20 or 5w30 ILSAC GF-4 SAE ..., Levi, Recently my daughter was on a road trip in MN in my 2002 Prius when she experienced multiple warning lights. The local dealership diagnosed a P3190 and P3191, cleaned the throttle body, and replaced the air filter, to a tune of $460 (towing included). I found your chat entry, phoned Toyota, and referenced my issue and your letter., The way a Prius starts can fool you if you haven't worked on it before. The electric motor that starts it is something like 13 HP, so instead of sounding like a regular car's 12 volt starter struggling to crank, it just spins the engine up to 1200 rpm right away (which to most people sounds like "the engine starts")., Vehicle: 2014 Prius. Model: Three. Inverter pump is code P0A93. You can check it by removing the inverter coolant reservoir cap and checking for a slight "turbulence" to the coolant with the car in ready mode. Engine water pump code is P261B. These are not your issues, though... P3190 in Gen 3 is trending toward fuel pump failure with some ..., Feb 11, 2017 · Queensland Australia. Vehicle: 2010 Prius. Model: Three. p3190 code and won't start. Hi my 2010 prius stopped today whilst driving, lost power and then stopped completely and showed hybrid system fault. After stopping tried to move again but only got a few metres and tried turning off and on again but would not start. , However, I started the get this error, P3191. The engine will crank roughly for a few seconds, then stops. There is also smoke coming from the air intake when you open the air filter box. I replaced the MAF, cleaned the throttle body, and check the hoses are correctly connected. Still, the problem keeps., Nebraska. Vehicle: 2005 Prius. Model: ----USA----. Alright guys. Got a 2007 Prius that will not run for more than 10 seconds and then throws either a P3191 or a P3190. Battery voltage is good at 12.6V, verified that vehicle has spark, fuel volume, fuel pressure is 50 psi, injector pulse is fine. Have cleaned throttle body and mass air flow., Feb 13, 2006 · mrv. Started up the car this morning, coldest day in a while here in DC (23F), and the check engine/hybrid system lights came on. Car seemed to drive fine. On the energy consumption screen, the hybrid battery looks appropriately full, and it looked to be charging and discharging at appropriate times. , Good luck trying to buy a Toyota, Kia or Honda. These auto brands have the lowest supply of cars available for sale at dealerships now. By clicking "TRY IT", I agree to receive new..., 2001 Prius. First, understand that some Toyota codes won't appear on generic scanners, so we may not know all. P0420 refers to low catalyst efficiency. Could be an O2 sensor problem, or more fundamental. P1455 is small vapor leak of fuel atnk. Could be a loose gas cap. P3191 is the engine no start or slow start.