Reading EEC-III Trouble Codes on a 1984 Ford Thunderbird

2,364 views · Published 18 June 2011 · 2:16 · Indexed 21 September 2026

Channel: crossalchemist · 2011 · People & Blogs

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Trying to convince my Thunderbird to pass smog.

Codes I got:
31 - EGR Inoperative
41 - Fuel Always Lean
44 - Thermactor Innopeative

To do this yourself, just follow the instructions found here:
http://www.tomco-inc.com/Tech_Tips/ttt3.pdf

After fixing some things I ran the codes again and I got 1-2, which is "RPM Out of Spec".

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