Code 14 and 15

RAYMOND259

Member
Nov 14, 2006
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I need help I have 90 Mustang gt 331 and I keep getting code 14 I already place the dizzy with a Msd one it keep coming back.Also I have code 15 I swap out the computer it still there what cause for the code 15.I reset the computer.
 
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Try this. Run a KOEO code test again. As soon as the first code starts to flash, unhook the scanner or jumper wire depending on your method. Verify the codes have cleared by running another KOEO test right after.

You don't have a chip installed do you?