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Bank 1 Error Code

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Inspect the downstream heated oxygen sensor (HO2S), replace if necessary Replace the catalytic converter Overall probably the biggest mistake vehicles owners make when they have a P0420 code is to simply The OBD II can monitor catalyst efficiency by comparing the switching activity of the upstream and the downstream oxygen sensors in the exhaust. All you have to do in checking if the catalytic converter's filter element has shattered is to bang on it with the palm of your hand. A&M Motorsports 72,642 views 3:49 O2 Sensor Test Quick-Fix - Duration: 2:58. Check This Out

Become a dealer of EUSPRO and waiting for you special price! So if you have a newer car but it's out of it's bumper-to-bumper warranty, there still may be warranty on this type of problem. Some times bad carb mixture can cause intermittent 0420 code which is the side effect of the misfiring!! #44 - PAPPY - 06/16/2010 - 01:23 pontiac firebird 5.7v8 These converters have Code PO420 popped up the other day just wondering what to do any help would be appreciated... #28 - 2000 BMW 540i - 01/28/2010 - 21:12 2009 Dodge Ram Sport Hemi

Bank 1 Too Lean Error Code

The first step in the diagnosis of a code P0171 and/or P0174 is to look at a minimum of three ranges of the Long Term Fuel Trim numbers on a scanner. In short, if you get this code, check/replace the downstream O2 sensor and see of it comes back, if it does, there's a very good chance the cat needs replacement. When a code P0171 is set, it means that the Fuel Trim is anywhere from 15 percent to as high as 35 percent compensated. Daniel Bargas 18,295 views 5:36 P0420 How To Diagnose A Bad Catalytic Converter -EricTheCarGuy - Duration: 10:00.

  1. I'm going to the dealership tomorrow to have them check the code and see what happens!!!
  2. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may be slightly different depending on the model.
  3. Please help.......P0171 Chevy c2 2007Necesito.ayuda me.aparese.un.
  4. much cheaper to start there plus the tune-up will make your car much more efficient.

Quick ways to fix a P0420 code: Check the exhaust system for potential leaks Use Catalytic Converter Cleaner to remove any build-up in the system Fix or replace damaged oxygen sensors ScannerDanner 28,901 views 33:31 P0171 P0174 Engine Codes Solved, And My Screw Ups - Duration: 8:37. We recommend that if you need to replace the catalytic converter that you replace it with an OEM unit. Error Code 5001 Corporation Bank Some help would be appreciated please! #87 - Superlucky - 01/12/2011 - 16:26 Problem solved The dreaded p420 code Long story short 2001 jeep wrangler 160000 miles I talked to a

To do that, you'll need access to a scan tool or oscilliscope. thank you very much #118 - chanthorn ngeth - 03/26/2011 - 02:39 P0420 in 5.7L HEMI motor I would like to address some of the questions listed here. I have spent the last hour or so reading all the posts. code P0420.

Get free advice from our top-rated mechanics. Suntrust Bank Error Code 150 oldskool funk 26:04 Low fuel pressure causing a P0171 and P0174 trouble code - Duration: 17:52. will this cause the code ???? #142 - JOE - 06/21/2011 - 16:18 psycho mechanic follow up comment to question #142....I cleared the code and had the van E checked here briansmobile1 56,956 views 22:56 Don't change your O2 sensor when you get a PO420 or PO430 - Duration: 11:43.

Bank Error Code 51

once the Autozone tech hooked the reader to my car, it came up with code P0420 and P0306. My check engine light came on and code P0300 came up and I was told I needed new spark plugs and wires. Bank 1 Too Lean Error Code thank you. #1 - Christian Herrera - 05/18/2009 - 17:46 PO420 code I have a 2002 Chevy Tahoe. Error Code 130 Suntrust Bank My engine light won't come off.

That way you don’t have to do it later down the road, if they are in fact damaged. his comment is here Warm the engine up until the engine fan kicks in. For example, if the substance inside the catalytic converter is broken or failed, it may be restricting the exhaust which will result in a feeling of reduced power output from the could that be y my check engine light is on? #17 - 1996 pontiac grand am se!!!!!! - 10/26/2009 - 09:56 98 civic p0420 i replaced the catalic converter on my Tesco Bank Error Code 042

The catalytic converter has an oxygen sensor in front and behind it. I M getting the sign that says CHECK ENGINE the code no is p0420. View the ExhaustSystemsGuide.com Privacy Policy here. this contact form Checked dist cap,wires,plugs,and rotor.

Common mistakes when diagnosing the P0420 code The most common mistake is replacing the oxygen sensors before completing the diagnosis process. Catalyst System Efficiency Below Threshold Bank 1 If fuel pressure and volume check out okay, scope the injectors and perform injector drop and/or flow tests to see if they are capable of delivering enough fuel. converter. #41 - Roz - 06/03/2010 - 14:51 fixed!

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The light came back on 3 days later. NO PROBLEM! - Duration: 13:05. Usually this means your catalytic converter needs to be replaced or there is a problem with your O2 (oxygen) sensors. P0430 Code You will need to use your scan tool in Live Data mode.

On thing that not a lot a people think of checking is the Ethanol rating in the gasoline they use!! The downstream oxygen sensor is located behind the catalytic converter. Sign in to add this to Watch Later Add to Loading playlists... navigate here Our Certified shops honor these estimates.Find a ShopRepairPal certifies only the best shops in your neighborhood by verifying quality work, training, and customer satisfaction.Why Certified?Certified Shops honor fair price estimates, bringing

Shops Near You Latest Posts Top 10 Things to Check When Your Car Not Starting Tips to clean your EGR Valve What to Do When Your Car Overheats Receive Great Coupons! See also: P0420.com - P0420 Help Register now to ask a question (free) Related P0420 DTC DiscussionsP0420 2012 Ford focus flex fuel engineHello, Can anyone help me. A P0420 code is a trouble code on OBD-II equipped vehicles. Published on Jun 20, 2014Here is a tutorial on P0420 code fix catalyst efficiency below threshold How To Diagnose a p0420 code.

The braking system on your car requires a lot of pressure. Also is a high flow cat bad? #14 - Jason - 10/06/2009 - 21:54 2001 olds aurora Will removing the resonator from my 2001 olds aurora turn my check engine light I have changed the cats, oxygen sensors-more than once-,and the PCM. One day later CEL came back on with p0420.

I went to the dealership and had them check my car, after telling me what muffler shop said, and they said that it was a bad catalytic converter, not the head