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Mercedes e320 code p0471

Engine check light comes on when i accelerate hard , i have checked the code and it tells me its a range/performance sensor, is this serious and need urgent attention?

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Posted on Jan 02, 2017

SOURCE: 99 mercedes e320.check engine light on.po341

that appears to be a camshaft position sensor performance code. you can start by checking to see if the sensor is working properly, re-check and make sure that the harness is ok by checking the resistance through the harness if all looks well there make sure the computer has the latest software on it by having it scanned at your local dealer. also you can check the reluctor wheel on the camshaft for damage or debris in the way of the sensor.

hope this helps!

Posted on Feb 17, 2009

steve_e_uk
  • 1675 Answers

SOURCE: mercedes clk 270 cdi check engine light

hi, unfortunately this is one of them how longs a piece of string things, you could purchase a code reader reset the error code but, what you have to think of is what caused it to do it in the first place, accelerating to hard should not cause an error ( i do it all the time in my car lol ) but it might be related to the 02 sensor getting to much unburnt fuel passing it which would cause the engine light to come on, though if the car is running as normal i doubt that will be the issue, i would myself on a car like that take it to the main dealer and get them to check it out, as buying an inexpensive code reader might not cut the mustard with this one, and parts being as dear as they are for merc's i would play on the safe side, spend a few bucks to save a load...sorry not much help

Posted on Mar 25, 2010

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2003 e320 Mercedes


Could be a bad sensor. Have the onboard computer scanner for diagnostics codes.

Jun 11, 2016 | Mercedes-Benz E320 Cars & Trucks

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1996 mercedes e320 every time i press the stoliretor. Check engine comes out then start checking i need to know the problem.


it is called an accelerator and if the engine light comes on then that is reporting a problem in either the engine or transmission
take it to a service center and have the fault codes read and repair what is faulty
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Hard start cold


IF the engine is a diesel then have the GLO-plugs checked and the GLO-plug relay checked for correct operation. If not run fault codes to find which sensor is not working in cold weather

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1 Answer

Engine Code P0471 and associated engine performance.


Hi there:
DTC P0471 - Exhaust Pressure Sensor "A" Circuit Range/Performance


Check HERE diagnostic test.

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Aug 17, 2012 | Cars & Trucks

1 Answer

Hello, Engine light is on and my mechanics computer shows error code PO 471 and Po 472. He can find what it means and how to fix.


Both are refer at Auxiliary Emissions Controls
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  • P0472 Exhaust Pressure Sensor Low
Sound like a problem with the sensors... how long time not be replaced?

Sep 20, 2011 | Volkswagen Passat Cars & Trucks

1 Answer

Mercedes clk 270 cdi check engine light


hi, unfortunately this is one of them how longs a piece of string things, you could purchase a code reader reset the error code but, what you have to think of is what caused it to do it in the first place, accelerating to hard should not cause an error ( i do it all the time in my car lol ) but it might be related to the 02 sensor getting to much unburnt fuel passing it which would cause the engine light to come on, though if the car is running as normal i doubt that will be the issue, i would myself on a car like that take it to the main dealer and get them to check it out, as buying an inexpensive code reader might not cut the mustard with this one, and parts being as dear as they are for merc's i would play on the safe side, spend a few bucks to save a load...sorry not much help

Mar 25, 2010 | 2005 Mercedes-Benz CLK

1 Answer

The engine light is on and not going off


ALL 1996-2010 CARS AND LIGHT TRUCKS
Why my Check Engine/Service/Check Engines Soon light comes on?
The engine computer or PCM/ECM
All modern vehicles have a computer or the ECM (Electronic Control Module) that controls the operation of the vehicle powertrain (the engine and transmission). The main purpose of this is to keep the engine running at top efficiency with the lowest possible emissions. With constantly growing demands for better fuel economy and new strictest emission regulations it's not very easy to achieve. The engine parameters need to be constantly and precisely adjusted according to various conditions such as speed, load, engine temperature, gasoline quality, ambient air temperature, road conditions, etc. That's why today's cars have much more electronics than in early days - there is a large number of various sensors and other electronic devices that help the vehicle computer or ECM to precisely control the engine and transmission operation and monitor emissions.
The vehicle computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and your car needs to be looked at. To properly diagnose what is wrong, you need to take your car to a mechanic or a dealer. The technician at the dealership or a garage will then hook up the scanner to the car computer and retrieve the stored trouble code(s). Then he (she) will look it up in the service manual provided by a car manufacturer. The service manual contains the list of possible codes (about few hundreds) and describes what each code means and what needs to be tested. The code itself doesn't tell exactly what component is defective - it only indicates where to look, what engine parameter is out of normal range. The technician will have to perform further testing to pinpoint a defective part.

Jan 20, 2010 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

1 Answer

I have problem with code 1126 (toyota 4 runner 2001


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1 Answer

99 mercedes e320.check engine light on.po341


that appears to be a camshaft position sensor performance code. you can start by checking to see if the sensor is working properly, re-check and make sure that the harness is ok by checking the resistance through the harness if all looks well there make sure the computer has the latest software on it by having it scanned at your local dealer. also you can check the reluctor wheel on the camshaft for damage or debris in the way of the sensor.

hope this helps!

Feb 17, 2009 | 1999 Mercedes-Benz E-Class

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