You are viewing the Serious Explorations Archive.
Click Here to view our message board.


View Full Version : self diagnostic test


ducksplus
10-05-2005, 02:19 PM
how can i run a self diagnostic test on my 91 X... i have heard that i can do it without a test machine.....???

mike

410Fortune
10-05-2005, 02:55 PM
go buy the Chiltons or hanyes repair manual for your truck.
invaluable tool to have.

have you tried a search?

You can run both the KOEO and KOER test with a jumper wire at the self test diag port.

ducksplus
10-05-2005, 02:59 PM
it is difficult to do??

410Fortune
10-05-2005, 03:01 PM
nope, especially not if you have the book, or search online to find the step by step, which will basically be a copy of what it says in the book.

Paper clip = you can perform the self test.

ducksplus
10-05-2005, 03:07 PM
what should i search for???

410Fortune
10-05-2005, 03:18 PM
self diagnosis test, EEC-IV trouble codes, Ford self test, etc.


here let me help:
http://www.fordf150.net/howto/eecivcodes.php