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Emission control system warning light on and lack of power

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emissionwiz

Marvin

  • 85239 Answers

SOURCE: emission control system light on dash

go to any Kragen or Autozone and ask for a free trouble code test of your electronic engine controls, there are over 100 different faults that cause this light to come on, some are as simple as a loose gas cap.

Posted on Feb 21, 2009

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Anonymous

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SOURCE: emission control system light on dash

audi a4 tdi Emission control system light on dash

Posted on Aug 16, 2009

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Joel Friedenberg

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SOURCE: 2005 Audi A4 Emission Control System Indicator

A vehicle's Emission Control Light is a generalized indicator that there is fault or possible malfunction in the vehicle's operating system. In some cases, these warning lights will come on if a gas cap is not fully closed. It could any one of a number of sensors such as the o2 sensor or map sensor. The thing to do is have a reputable mechanic/technician run a diagnostics test on the vehicle.

Posted on Aug 20, 2009

Anonymous

  • 1 Answer

SOURCE: 2003 audi a4 1.8t ECU/emission control system warning light flash

No I am a mechanic at Audi. The problem is that the the air flow to the central tappets may be causing the air flow sensor to trip and that is why. Try putting a small amount of WD40 into the petrol and that will work, its a very common problem.

Posted on Nov 16, 2009

Anonymous

  • 1 Answer

SOURCE: Emission Control warning light illuminated

im missing a hose from my valve cover what is it called?

Posted on Jun 14, 2010

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Engine Malfunction Light...drives at reduced speed...best 40kmph


Oh you can drive it, but drive it to the shop and have the EGR(Exhaust Gas Recirculation)valve replaced. That is what's causing your lack of power. It has to work in conjunction with all other emission control systems and once it' goes bad the engine will have no power but seams to work fine otherwise. Change the EGR valve.

Dec 11, 2013 | 2009 BMW X5 3.0d

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Diagnostic code p0701


P0453 means EVAP emission pressure sensor high input. Possible causes:
- Faulty Evaporative Emission System (EVAP) Pressure sensor
- Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
- Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection.
Code p0701 means Transmission control system range/performance. Possible causes:
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Aug 27, 2013 | Cars & Trucks

1 Answer

My 99 alero has emission code P0452 how. Can I fix it


P0452 - Evaporative Emission Control System Pressure Sensor Low Input.
An excessively low voltage from the sensor is sent to ECM.

The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used to control the engine system. It is used only for on board diagnosis.

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)

Possible causes
- The EVAP control system pressure sensor circuit is open or shorted
- EVAP control system pressure sensor may be faulty

Possible solution
- Retight gas cap - Replaced EVAP Control System Pressure Sensor

Hope this helps.

Jun 02, 2011 | Oldsmobile Alero Cars & Trucks

1 Answer

Yellow engine light has been on for 2 days but the car runs perfect. What could it be?


This is the Check Engine warning light (the light is required by law to be amber/yellow, it means that a problem or problems have been detected in the electronic engine control or the emission control system. this control system is called the OBD2 Electronic engine/emission control system. This system has over 200 possible faults that turn this warning light on, what needs to be done is to have the system scanned to see what fault codes are in the memory of the computer (called the PCM), it can be as easy as a defective or loose gas cap on up to Oxygen sensors failing, it is a long list, so the system scan is the very 1st thing that must be done to start the diagnosis.

Mar 18, 2011 | 2006 Ferrari F430

1 Answer

2005 Audi A4 Emission Control System Indicator Warning Light is on. What does that mean?


A vehicle's Emission Control Light is a generalized indicator that there is fault or possible malfunction in the vehicle's operating system. In some cases, these warning lights will come on if a gas cap is not fully closed. It could any one of a number of sensors such as the o2 sensor or map sensor. The thing to do is have a reputable mechanic/technician run a diagnostics test on the vehicle.

Aug 20, 2009 | 2005 Audi A4

1 Answer

1997 Honda Civic emission control system problem?


Yes the problem is effecting the emissions controls. Sounds like the timing if off. Take the vehicle to you local Auto Parts Store and most will scan the ECU for fault codes. This code will help you to figure out the problem.

Aug 03, 2009 | 1997 Honda Civic

1 Answer

Emission control system light on dash


audi a4 tdi Emission control system light on dash

Jun 02, 2009 | 2007 Audi A6 Avant Wagon

1 Answer

Emission Warning Light came on and misfore


This sounds like a speed sensor issue and you nmeed the correct code and i will help you i promise to resolve this issue for free

May 26, 2009 | 1998 Volvo V70

1 Answer

"service engine soon" light is on continuous, and lack of power


without a code Check.. Its impossible to know exactly why the Light is on..Dont throw parts at it without a code check..Autozone does them free.. No excuse LOL Thanx

Mar 11, 2009 | 2002 Ford E250

1 Answer

Emission control system light on dash


go to any Kragen or Autozone and ask for a free trouble code test of your electronic engine controls, there are over 100 different faults that cause this light to come on, some are as simple as a loose gas cap.

Feb 21, 2009 | 2007 Audi A6 Avant Wagon

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