Having problems with your 2003 Ford Thunderbird ?

How to reset the check engine light - 2003 Ford Thunderbird

Posted / edited by AnonymousUser on : 18-06-2018

Answers :

2 ways
\015\012the only way to clear it immediately is to take it someplace that has a scanner to clear codes
\015\012the other way is-
\015\012the CEL illuminates when the PCM(powertrain control module)recieves a faulty signal from a sensor. at this time it basically takes a picture(freeze frame data)of every sensor and every value the vehicle puts out. once these values are reached again, at the same moment the problem occured with no malfunction it records it. after severa drive cycles with no malfunction the CEL will shut off. the could may however still stay in the system as a history code-the light will not be on.
\015\012hope this helps
Repair Help & Product Troubleshooting for 2003 Ford Thunderbird

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