Question about 2001 Ford Explorer Sport

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Obd emissions cant be picked up on the computer and check engine light is on,maybe a fuse could be out.

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Disconnect the positive battery cable for 1 minute, then reconnect it, light should be out, also, you will have to reset your clock, and radio functions.

Posted on Apr 05, 2011

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When rpm's pick up above 4,000 my check engine light starts flashing as soon as I slow down it turns off. What could be the cause of this?


Hi Sharon,

This could be a fuel / air mixture or one of dozens of other emissions related problems. Fortunately, the OBD computer in your car keeps a record of the fault. Many auto parts stores will connect a "code scanner" to the OBD connector in your car for FREE to obtain the fault code. They will also provide you with the decoded fault trouble and possible remedies. Ask at your local store if they do this - you shouldn't have to pay anyone to scan the OBD codes for you.

Good luck!

May 05, 2015 | 2003 GMC Yukon

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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

I can not pass emission test although I have no lights on in my car. The Guy says it cuz the computer can't read a few codes, that I need to reset my computer in the car. He does not know how and neither...


I have invested almost $1,320's from going back and forth with my mechanic, to fix the SRS light. Upon doing that he found other reasons has to why the light is not going off. him fixing everthing else is what made the totally price so high. Right after I picked it up from him took it straight to do emission but it fialed due to the computer readiness and was not picking up anything. The Emissions guy said maybe its cuz I just got it back, that the codes need to reclear. Had it back for almost 3 weeks now, the check engine light is back on. So went out and got a scanner so i can clear the check engine light. did that today took it back to same emmision place and the guy tells me the computer is still not picking the codes up. That Volvos have a wierd way to reset computer, Plz help me Asap already got pulled over twice, got lucky both times no ticket but dont want a third. Has my wife uses it to go to work so we should already have cleared the system by now

Sep 18, 2013 | 2001 Volvo S40

1 Answer

Emission plug will not read the computer


In most cars the OBD connector is powered by the same circuit the cig lighter is on. You might check the lighter fuse.
Also the check engine light needs to be on when the key switch is turned on.

Aug 03, 2013 | 2002 Ford Taurus

1 Answer

The check engine light is on my 1995 Saab 900s. I can not find a techician with the correct scanner.How can I turn off the light?


There are three ways to reset a check engine light.

1. Disconnect the battery, wait approximately 30 minutes, reconnect the battery. This resets the cars computer which also reset the check engine light. On newer OBD (on-board diagnostic) compliant vehicles this usually does not work. See step 2.

2. Reset using an OBD II reader. When you hook an OBD II code reader up to your vehicle, you can reset the computer using the code reader.

3. Fixing the problem. Generally the check engine light comes on for a reason. Usually it is emission related (sensors, gas cap) or electrical (faulty wiring). In this case the way to reset the check engine light is to fix the problem

Oct 12, 2011 | 1995 Saab 900

3 Answers

The engine light has come on


need to have shop or auto parts do a fault scan to determine what failed. Could be simple glitch but don't put it off, if there's a problem "they don't fix themselves"

Jan 04, 2011 | 2001 Hyundai XG300

1 Answer

2000 beetle- while driving yellow emissions symbol came on. what does that mean?


This is OBD - On - Board -Diagnostic Display.
On Board Diagnostics, OBD-II, is required on all automobiles and light trucks from 1996 onward. OBD-II is a set of specifications for monitoring and reporting on engine performance in modern automobiles.
If the Service Engine light is on, then connecting a Code Scanner on OBD Connector, the Code is picked up and the code explanation can be found. If this is a False Code, this can be Cleared with the code scanner, after reading the code. The location of OBD-II connector in your car can be found here:
http://www.obdclearinghouse.com/index.php?body=oemdb
Remember the Check Engine light only comes on for emissions-related failure (which includes fuel and ignition, too). A separate warning light will illuminate if there are non-emission problems such as low oil pressure, charging system problems, etc.
If the light is on because of a misfire or fuel delivery problem, and if the problem does not occur after three drive cycles, the Check Engine light may go out. Whether the light goes out or remains on, a code will be snt and remain in the computer memory to help you diagnose the fault.
More information for the codes can be found here:
http://www.aa1car.com/library/ic10224.htm
After the code is picked up with a scanner, the code explanation is founded, and a decision has to be made to fix the problem or to clear the code. This can be done with the same scanner. If you do not have a scanner, any AutoZone, or Advance car parts store can do it for free.

Nov 10, 2010 | 2000 Volkswagen Beetle

1 Answer

Engine light on


This is OBD - On - Board -Diagnostic Display.
On Board Diagnostics, OBD-II, is required on all automobiles and light trucks from 1996 onward. OBD-II is a set of specifications for monitoring and reporting on engine performance in modern automobiles.
If the Service Engine light is on, then connecting a Code Scanner on OBD Connector, the Code is picked up and the code explanation can be found. If this is a False Code, this can be Cleared with the code scanner, after reading the code. The location of OBD-II connector in your car can be found here:
http://www.obdclearinghouse.com/index.php?body=oemdb
Remember the Check Engine light only comes on for emissions-related failure (which includes fuel and ignition, too). A separate warning light will illuminate if there are non-emission problems such as low oil pressure, charging system problems, etc.
If the light is on because of a misfire or fuel delivery problem, and if the problem does not occur after three drive cycles, the Check Engine light may go out. Whether the light goes out or remains on, a code will be snt and remain in the computer memory to help you diagnose the fault.
More information for the codes can be found here:
http://www.aa1car.com/library/ic10224.htm
After the code is picked up with a scanner, the code explanation is founded, and a decision has to be made to fix the problem or to clear the code. This can be done with the same scanner. If you do not have a scanner, any car repair shop can do the job.

Nov 08, 2010 | 2001 Volvo S60

2 Answers

The check engine is on. would like to know where to start checking


We will can really offer any help other than to have codes scanned and see what code or codes is stored in the computer there is just to many things that can cause a check engine light to be set.

"The 'check engine' light is reserved only for powertrain problems that could have an impact on the emissions systems," says John Van Gilder, General Motors' lead OBD development engineer.

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.

That changed by 1996, when, under OBD II regulations, carmakers were required to install a much more sophisticated system that essentially acts like a built-in state emissions testing station. The computer monitors and adjusts dozens of components and processes. For example, it continually samples exhaust emissions as they come out of the engine and again when they leave the catalytic converter, a device that removes carbon monoxide and hydrocarbon pollutants from the exhaust. The system also monitors your car's fuel system to ensure that gasoline vapors are not escaping into the atmosphere through a leak or even a loose or missing gas cap. In most cases, if a problem occurs, the computer will wait to see if it corrects itself before turning on the light. Modern OBD II systems are so thorough that state testing centers increasingly are checking for any stored trouble codes and foregoing the traditional tailpipe emissions test.

Keep in touch.

May 31, 2010 | 1996 Ford Explorer

1 Answer

Failed emissions What fuse for OBD port on 2006 Ford Fusion?


check the out put from the computer to the obd ll port if good need to check the wiring harness ,connections and pin contacts from computer to obd ll port connections possible short,frayed or broken wire

Feb 14, 2010 | 2006 Ford Fusion

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