Question about 2005 Subaru Forester

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Obd light on. speedo not working

Manual indicates emission control problem? but why no speedo?

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There is a chance that the VSS (Vehicle Speed Sensor) in the trans is bad. The ECM (computer) needs to know how fast the vehicle is moving, and what load it's under in order to adjust engine RPM and consequently emission controls, trans shift points, etc. Hope this helps.

Posted on Oct 30, 2008

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I have two codes come up when checking why my check engine light is on. P0447 and P0420. Any info on what these mean and what it takes to fix so I can pass my smog test??


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Definition of P0420 is catalyst below threshold. This is indicative of (among other things) a converter that is not working as efficiently as it should be (according to specs). Catalytic converters are not normally a "wear" type item, that is they are not deisgned to wear out and need replacement. If they have failed, it is likely due to something else that caused it to fail.

P0447 Evaporative Emission Control System Vent Valve/Solenoid Circuit Open. The Powertrain Control Module (PCM) has detected an open within the circuit that controls the vent valve or solenoid for evaporative emission systems vapor.

Read more at: http://www.obd-codes.com/p0447
Copyright OBD-Codes.com

http://www.trouble-codes.com/

http://www.obd-codes.com/trouble_codes

Jan 26, 2016 | Hyundai Motor 2002 Elantra

1 Answer

I have code P0443. How can I find out what is wrong?


OBD-II Trouble Code: P0443 Evaporative Emission Control ...

www.obd-codes.com/p0443
P0443 - Evaporative Emission Control System Purge Control Valve Circuit ... P0443 trouble code symptoms could be just an malfunction indicator lamp (MIL) ... But, it's also possible to have a lean condition or a rough running engine if the ...Missing: jaguar ‎xj6

P0443 OBD-II Code and Check Engine Light - Jaguar Forums - Jaguar ...

www.jaguarforums.com > ... > XJ XJ8 / XJR ( X308 )
Feb 24, 2014 - Anyone have an idea on where to look for this? Jaguar® Leasing Deals.... P0443 OBD-II Code and Check Engine Light-xj8-purge-valve. .... Newby with air suspension fault, philwarner, XJ XJ6 / XJ8 / XJR ( X350 & X358 ), 7 ...Missing: 1995

Error code p0443..Think dealer is on crack - F150online Forums

www.f150online.com/.../287418-error-code-p0443-think-dealer-crack.h...

Jan 01, 2016 | 1995 Jaguar XJ6

2 Answers

How do I get the engine light code turned off?


Fix the problem that is turning on the light.

Sep 28, 2014 | Cars & Trucks

1 Answer

Engine light has come on. problem was starter motor which was repaired & flee through wof. but light is still on, it is a nissan primera station wagon import from japan. does anyone know how to change the...


Your vehicle is equipped with an OBD II computer AND a link to connect OBD II computer to a Smog Check Analyzer or Data Scan Tool (available
at most auto part stores).There are two types of codes, bad codes and good codes. The good codes are the "Readiness Flags". These Readiness Flags
indicate that certain emissions systems which the OBD II computer has been monitoring have PASSED the test, indicating that those systems are
working properly. Then there are the bad codes. The bad codes are actual "Trouble Code". These codes indicate that the OBD II computer
has detected a problem with in the emissions system. The Trouble Code will specifically indicate the component and problem which was found.
Newer vehicle's have very complex codes in the thousands.
"Readiness Flags" do not cause the "Check Engine" light to illuminate, but may cause a vehicle to fail the smog test.
In order to set all the proper "Readiness Flags" the OBDII system must complete at least one drive cycle (in some cases
two or three). A drive cycle is a sequence of internal tests which the OBDII computer runs while your vehicle is being driven. This insures
all emissions systems are functioning properly. Only then will your vehicle pass the smog inspection. A drive cycle usually requires one
week of driving.

Jun 10, 2014 | Cars & Trucks

1 Answer

Saturn codesP0000


Your vehicle is equipped with an OBD II computer AND a link to connect OBD II computer to a Smog Check Analyzer or Data Scan Tool (available
at most auto part stores).There are two types of codes, bad codes and good codes. The good codes are the "Readiness Flags". These Readiness Flags
indicate that certain emissions systems which the OBD II computer has been monitoring have PASSED the test, indicating that those systems are
working properly. Then there are the bad codes. The bad codes are actual "Trouble Code". These codes indicate that the OBD II computer
has detected a problem with in the emissions system. The Trouble Code will specifically indicate the component and problem which was found.
Newer vehicle's have very complex codes in the thousands.
"Readiness Flags" do not cause the "Check Engine" light to illuminate, but may cause a vehicle to fail the smog test.
In order to set all the proper "Readiness Flags" the OBDII system must complete at least one drive cycle (in some cases
two or three). A drive cycle is a sequence of internal tests which the OBDII computer runs while your vehicle is being driven. This insures
all emissions systems are functioning properly. Only then will your vehicle pass the smog inspection. A drive cycle usually requires one
week of driving.

Jun 10, 2014 | 2006 Saturn Vue

1 Answer

Engin light stays on 1993 honda privia van


Hi George, keep in mind that a check engine light is a warning sign that something within your engine, fuel or emissions system is not operating correctly. While most check engine lights do not point to dire problems that would cause your vehicle to break down, some do.

Check engine lights are usually an indicator of an emission-related problem. Check engine lights can cause your vehicle to perform inefficiently and fail an emissions test.

Also, the check engine light is reserved only for Powertrain problems that could have an impact on the emissions systems. Exactly what the OBD system looks for depends on the make, model and year. The original systems varied widely in their capabilities. Some did little more than check whether the various electronic sensors and actuators were hooked up and working.

I suggest scanned the PCM computer (Powertrain COntrol Module) to know exactly what fault code is stored there.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Oct 11, 2011 | Cars & Trucks

1 Answer

Emission test


Why aren't they just using the OBD II port instead of the dynomometer? Which state are you in? In Washington, where I work as an emission test specialist, we don't even use the dyne (rollers) to do the test. The OBD II port doesn't require the car to be taken out of park.
If you have to resort to it, just pull the TCS fuse for the test. The TCS won't activate and you won't get any emissions error codes.
Be sure to check with the testing facility before you do this. They may not allow it if it may be considered a safety issue.
I wish you the best!

Feb 27, 2010 | 2001 Hyundai XG300

1 Answer

HERE'S A PROBLEM, SUZUKI GRAND VITARA 2006 WITH A CODE P0174 AND WHEN THIS MALFUNCTION INDICATOR LIGHT CAME ON MY CRUISE CONROL QUIT WORKING AT THE SAME TIME. THE MALFUNCTION INDICATOR LIGHT IN THE BOOK IS...


Here is a site that should help. If I could hook my scanner up I could tell you in minutes if the O2 sensor was working by watching the data stream. the code means you are running lean on the #2 side. This can be caused by a vacuum leak or even a bad sensor. It has to be diagnosed. Read more in this site:

http://www.obd-codes.com/p0174

Jan 02, 2010 | Suzuki Grand Vitara Cars & Trucks

1 Answer

Check engine light came on after a left turn. Needs Oil Change (about 800 miles over) could it be that the light came on as another reminder to get oil changed?


the check engine light is not connected to any oil issue, it indicates a fault has occured in the engine controls or emission controls, there are about 200 diff fualts poss, have the system tested for OBD 2 fault codes.

Sep 18, 2009 | Chevrolet Cobalt Cars & Trucks

2 Answers

Fault code P1000 [18,2,10,0],Ford Fiesta 2005


P1000 means that you or someone has disconnected the battery,and the car has not been driven far / long enough for the computer to relearn its stratagies.
Engine light could be the fault of the speed sensor, or wiring to the sensor.

Jul 13, 2009 | 2007 Ford F

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