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Bank 1 Error Code


Try One of These: Editor's ChoiceBest GuaranteeBest Price Mr. converter went or not. to no avail. Often, as the vehicle's engine wears, the PCM's Fuel Map software inaccurately compensates for this condition. have a peek here

If you still need help regarding the P0420 trouble code, please post your question in our FREE car repair forums. 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 You will likely not notice any drivability problems, although there may be symptoms. If all that checks out, you'll want to check the operation of the O2 sensor.

Bank 1 Too Lean Error Code

Any suggestions besides what has been said here already? So i was wondering if my cat. When the oxygen sensors have a reading that is similar to each other, it is an indication that the catalytic converter is not working as efficiently as it is intended. Loading...

  • Essentially, this means that the Air Flow Sensor is telling the computer that much less air is entering the engine than actually is.
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  • Other than the Check Engine Light being on the symptoms of this trouble code may go unnoticed.
  • 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
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  • This is done by spraying a small amount of carburetor cleaner into a small vacuum hose, usually the fuel pressure regulator's vacuum hose/line, and checking to see if the rear O2
  • It is a good idea to have this code diagnosed and repaired as soon as possible to have your vehicle running smoothly.
  • Also if i fill up with Super unleaded carb which has additives and does a better burn with less emissions then the problem disappears.
  • Since the oxygen sensors are telling the computer that more fuel is needed, this causes confusion in the computer because the Mass Air Flow Sensor is still saying there is too
  • Definition The P0420 diagnostic trouble code is known as a generic fault code.

My service engine light has come on and a mechanic hooked it up and said it was Bank 1 Cat. Consult your service manual for it's location if you need help. trying to find another option. #80 - Jen - 12/19/2010 - 17:09 1999 honda crv got po 420 code and the light went out on it`s own works on start up Error Code 5001 Corporation Bank Possible Causes The P0420 code error may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called for A damaged or failed oxygen

it's not efficient). Bank Error Code 51 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. If the front catalytic converter upstream oxygen sensor wave form is switching from high to low (rich to lean) and the rear catalytic converter downstream oxygen sensor is close to a When the air ratio goes below 14.7 parts, this is called a "rich" mixture.

Something that is causing gasoline to enter the CAT, without completely burning the fuel, will foul it. Suntrust Bank Error Code 150 Had oil changed. When I finally got around to doing it, it DID NOT FIT. I just got a ticket for not inspected the other day.

Bank Error Code 51

I will keep updating if any further issues come up. All you have to do is: Check that the catalytic converter's filter element hasn't shattered. Bank 1 Too Lean Error Code When replacing a catalytic converter, is it a good idea to replace it with an original equipment manufacturer (OEM) unit or an oxygen sensor replacement that is of high quality. Error Code 130 Suntrust Bank There are many stories in our forums where folks replaced the cat with a cheaper aftermarket one only to have the code return shortly thereafter.

I have tried it all: upstream O2 sensor(bank 1) downstream O2sensor(bank 2) I have found unless you are getting a code like p171 or p300-p308(miss-fire codes) or possibly a mass air navigate here I replaced the down stream O2 sensor. When you are behind a car or truck that is misfiring it makes your eyes burn. realfixesrealfast 373,107 views 5:48 How to repair fault code P0171 and reset warning light Toyota Corolla VVT-i. Tesco Bank Error Code 042

Toyota tacoma are set to use Gas with less then 10% ethanol... guys, here is the thing, this code is for your CAT OR PRECAT(if applicable) OR BOTH. Anyone out there with suggestions? Check This Out and I have another saying they think it is something else & I need to have it looked at closer.

Cylinder 4 misfire. Catalyst System Efficiency Below Threshold Bank 1 How to Fix There are several recommended steps for fixing a P0420 error code, this includes: You can check for exhaust leaks at the manifold, pipes, and catalytic converter. One simple check you people can do to see if the problem is on your cat is the thermometer check.

If all of these tests have been performed and no issues are found, the problem is likely the powertrain control module.

If you still can't find the problem, be sure to check and verify that fuel pressure and delivery are at spec. The fuel mixture grows lean and eventually, the code sets.A vacuum leak is very common. I took it back and they stated it was now a P0420 code which was the catalyst and I needed to take it to Ford because it was under warranty mandated P0430 Code On some vehicles such as some Subaru models an ECM reflash will fix the problem.

Otherwise I agree with Tony, the 0420 code is a BITCH. oldskool funk 26:04 Low fuel pressure causing a P0171 and P0174 trouble code - Duration: 17:52. Good luck! this contact form They claim they put in new o2 sensors but who knows.

If any of those syptoms are there, the converter likely needs replacement. No performance failure at all. Daniel Bargas 18,295 views 5:36 P0420 How To Diagnose A Bad Catalytic Converter -EricTheCarGuy - Duration: 10:00. Typically the P0420 code triggers the Check Engine Light if the readings of the two sensors are similar.

Behind the catalytic converter or the downstream, the O2 sensor reacts to the gases as it exits the converter, while the upstream O2 sensor in the exhaust reacts to the gases Symptoms You will more than likely not notice any drivability problems, although there may be symptoms such as: a lack of power detonation (spark knock) rough idle hesitation/surge on acceleration. did not see any vacuum leaks. It was obvious that the car was running for 6 months with wrong injection timing which eventually damaged my CAT.

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