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yamede Posted on May 25, 2012
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Will an obd II reader come out with codes for problems even if the check engine light isn't on?

My 2001 Ford Explorer sport won’t start without a bit of coercion from the gas pedal and would really like to fix the problem myself. i Just need to know before go and buy an OBD II reader

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  • Posted on May 26, 2012
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Actually...since you can't figure out the problem yourself based on the symptoms a reader probably isn't going to help you. Readers give you diagnostic codes but don't tell you how to fix the problem so you need some mechanical inclination to take the code your getting with the symptoms you have and figure out the solution.

Your problem is a gas delivery problem which can mean a couple of things but is most likely a problem either with the fuel pump or the fuel filter.

If you want to buy a obd code reader, then here is a better reader now I using :

http://www.xcardiag.com/wholesale/ford-outcode-incode-calculator-sw-dongle-2000-tokens-version-v30-377.html

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  • Cars & Trucks Master 85,242 Answers
  • Posted on May 25, 2012
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I think you have a defective fuel pump pressure check valve here. If you don't have a check engine light on you will not have any codes.

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5 Related Answers

Pierre Laplante

  • 2061 Answers
  • Posted on Aug 02, 2008

SOURCE: P0351

its ignition primary coil #1 the car goes bad if you whant to get ride of the code you have to change the coil pack sometime with that you can have a misfire on different cylinder thanks pierre

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Anonymous

  • 1 Answer
  • Posted on Oct 14, 2008

SOURCE: 1996 Chevy Blazer check engine light on

More then likely its the Canister Purge Solenoid. you can find it online at www.autozone.com the part number is PV140. And to replace it on blazer you have to remove the spare tire. Alot of people don't know where this part is so I hope this helps you and good luck.

Anonymous

  • 1959 Answers
  • Posted on May 17, 2009

SOURCE: check engine light 97 ford explorer. obd-II po141

Looked up your OBD II code for your Explorer and got the following: Bank 1 Sensor 1
The possible causes are listed below per Chilton: *same result for all engines available on your vehicle

Trouble Code: P0141 (4.0L V6 VIN E Auto)
HO2S-11 Heater Circuit (Bank 1, Sensor 1) Print this code dataprint_icon_codes.gif
Number of Trips to Set Code: 2
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
During testing the heated oxygen sensor (HO2S) heaters are checked for open and short circuits and excessive current draw. The test fails when the current draw exceeds a calibrated limit or an open or short circuit is detected.
Possible Causes:

  • Vacuum hose disconnected on exhaust gas recirculation (EGR) system module (ESM) applications* Short to VPWR in the harness or HO2S
  • Water in the harness connector
  • Open VPWR circuit
  • Open GND circuit
  • Low battery voltage
  • Corrosion or incorrec
The sensors themselves appear in the illustration linked to below. The illustration is for the Ford Ranger but indications are that other models have similar locations. Hope this helps with your problem. Best of luck!
Greg

http://www.chiltonlibrary.com/content/images/8968/images/89684g23.pdf

Anonymous

  • 202 Answers
  • Posted on May 27, 2009

SOURCE: 1999 lincoln navigator obd code p0455

Either the fuel cap, or the evap solenoid on the charcoal canister. I'd start with the fuel cap.

Anonymous

  • 275 Answers
  • Posted on Feb 01, 2010

SOURCE: obd II locations on 1995 saab 9000 cs

In 1995 they made different systems. If it has OBD, then it should be the conventional 16 pin connector, found underneath the drivers steering wheel area. If its the older type, then it has a 2 pin black connector under the center console area. Hope that helps

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Ford Check Engine light Codes - FreeAutoMechanic

www.freeautomechanic.com/diagnostictroblecodes7.html
Full list of OBD I Diagnostic Trouble Codes for your Ford Vehicle. If your Check engine light is on you may have a serious problem. Scan your codes and follow ...

EEC-IV 2 and 3 digit trouble codes. - Ford Explorer and Ranger ...

www.explorerforum.com > ... > EEC IV
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EEC-IV Diagnostic Trouble Codes - Diagnose problems in


0helpful
1answer

Check engine light

For $60.00-- go to Auto Zone & buy a code reader

You will be using it twice a year, for the rest of your life

Then use Google to look up the codes

Type: OBD & the code
1helpful
1answer

We have a 2001 ford explorer sport. Won't pass

The error code 1131 means the air/fuel mixture is too lean on Bank-1 while 1151 indicated mixture is lean on Bank-2. You can check for the causes of the problem in following link for both error codes (1131 as well as 1151):

http://www.obd-codes.com/trouble_codes/ford/p1151.php
1helpful
1answer

2001 Ford Explorer Sport OBD fails to read

which obd tool do you used?
maybe you used obd tool not can do your car.
maxiscan us703 can do your car.
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My engine failure light has just come in my 2004 xtype estate what could the problem be?

The engine light came on because it is telling you that something is wrong somewhere with engine area so what you can do is take it to Advance Auto Parts store near you and have them check it out for free or you can buy the OBD II code sensor so you can test out the codes yourself. Without the OBD II codes that we would be guessing so you have to check it out with OBD II code reader.
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2002 Explorer: Check engine light is on, idle drops to 4-500 rpms at a stop. Engine has an intermittent 'miss' at speeds below 50 mph. I do not have a code reader but have been told that there is a...

Advance and autozone will check your computer for free. It sounds like you have a misfire in one of the cylinders. This can happen because of a burned spark plug wire, fouled out plug, or a bad coil. Hope this helps.
0helpful
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What kind of code reader should I buy for a 1995 Pontiac Trans Sport car?

May depend on manufacturer date.All domestic vehicles after 96 are OBD II.Some late production 95 models are OBD II. if your diagnostic connector is rounded oval shape its OBD II. If the diagnostic connector is rectangled it's OBD.
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Check engine light on 1999 mustang

no, OBD II rquires a scanner. Go to Autozone, they will scan for free.
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Is my 1994 ford escort have an obd or obd II

it might but the obdll starts at 96 and up,but there is another conector under the hood on the passenger side for check engine codes.you can buy a ford code reader to do that with there about 50 dollars.if it does have the obdll it should be under the drivers side dash
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