service engine soon light

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  #1  
Old 07-15-03, 01:18 PM
Deltadudey2k
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Question service engine soon light

Service Engine Soon light came on the 1997 Thunderbird 3.8 engine with 31,000 miles. Owners manual says check emission. Anyone have an idea how I can check emissions? Ya'll have helped me with my Aerostar know you will be able to with this one. Thanks for your help Deltadudey2k
 
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  #2  
Old 07-15-03, 02:34 PM
knuckles
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You need a scan tool to check the PCM for trouble codes.

Autozone will perform this service for free.

Write down all codes & post them here. We'll be happy to help.
 
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Old 07-15-03, 02:57 PM
Joe_F
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Agree.
 
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Old 07-15-03, 05:24 PM
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Get Autozone to scan for codes and let us know what they are and hopefully we will be able to help you figure out your problem.
Billy
 
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Old 07-16-03, 10:22 AM
Deltadudey2k
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Thanks, I will go to Auto Zone tomorrow get the codes and post them. Trully appreciate all of you. Deltadudey2k
 
  #6  
Old 07-18-03, 06:16 AM
Deltadudey2k
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Good morning: Followed your suggestion went to Auto Zone they were more than happy to get the Code. It is P1443, The computer said "Emmission Control System Control Valve." How bad is this? About how much should it cost to fix? Thanks to all of you, Deltadudey2k
 
  #7  
Old 07-18-03, 06:23 AM
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Here's the description from autolibrary:

Manufacturer Description
Ford Evaporative Emission Control - Vacuum System Purge Control Solenoid or Purge Control Valve Malfunction

Probable Cause Wiring, EVAP valve, Engien Control Module

Go to the autolibrary link for more info; appears you have a problem with the evaporative emission system. This consists, generally, of a charcoal canister and vacuum lines controlled by a solenoid. Fuel vapors from your gas tank are trapped in the cannister and "purged" into the intake manifold to be burned with normal combustion. The solenoid reacts normally to either a signal from the computer or from another sensor, such as a temperature sensor.

More info:

http://www.cybrrpartspro.com/Manual%...delLookup.html
 
  #8  
Old 07-18-03, 06:27 AM
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Something to check:

Gas cap gasket/o-ring. They will set a code if faulty, not sure if the code from that fault is P1443 or not.

Also, be sure to check all your vacuum lines; could be something as simple as a bad hose.

Question: Do you routinely squeeze extra fuel into your tank when it is full? Not an uncommon cause of failure in the evap system.
 
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Old 07-18-03, 07:07 AM
Joe_F
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Tow Guy is 100% correct. Start there. A bad gas cap is a good possibility.

Make sure to check alldata.com for any bulletins or possible recalls as well.
 
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Old 07-18-03, 08:41 AM
Deltadudey2k
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Thanks everyone. With the weekend here I'll have fun going over this little bird. All of you have been great. Will let you know Monday what worked. Thanks again Deltadudey2k
 
  #11  
Old 07-18-03, 09:36 AM
knuckles
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Diagnosing this code at home is going to be difficult unless you can find a pinched/cracked hose, missing fuel gap, damaged fuel cap gasket, etc.

Anything beyond a physical inspection of the EVAP system components requires a bi-directional scan tool and an EVAP system tester or a smoke machine.

Isn't OBD-II wonderful?
 
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