North American Turbocoupe Organization

Code 11
stefan428 Offline
Junior Member
I have a 1990 Mustang that has a 1988 Thunderbird Turbo Coupe engine and transmission swapped into. I get codes 81,82,83 and 84 when running the key on engine off test. I do not get an initial Code 11. Is the LA3 supposed to produce a code 11 even when there are other codes stored?

Thank you.

Jeff K Offline
You will not get the system pass code 11 if other codes are stored. Of course, it is possible to get a system pass code 11 for the KOEO test, and fail the KOER test, or vise versa.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized

stefan428 Offline
Junior Member
Thank you. Exactly what I needed to know.

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