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I need to know what what these codes translate into.I ran the tests and this is the results. Can someone translate and tell me what they mean?
1flash 2sec pause 6flashes 2 sec pause 7 flashes 2 sec pause 6 flashes 2 sec pause 7 flashes 4 sec pause 1 flash 2 sec pause 3 flashes 2 sec pause 2 flashes 2 sec pause 4 flashes 2 sec pause1 flash 2 sec pause 3 flashes 2 sec pause 2 flashes 2 sec pause 4 flashes 2 sec pause 1 flash end test
I am not an expert on pulling codes but what you should get is a number of flashes to indicate the first number of the first code followed by a 2sec delay then flashes for the second number of the two digit code.
Youe sequence does not seem right. If you look at the top line of this forum page you will see "Tech Info", if you click on that and then on OBD1 self test you may get a better idea of what to do.
At least from the year of your truck we know that you have two digit codes.
I think your codes are 67 for the KOEO test, the second set is the stored memory (i.e. CM) codes of 32 and 41. The codes are repeated once when you are reading them out.
67 -- Neutral safety circuit failure. -- The computer is not seeing the neutral safety switch circuit properly. -- Any transmission changes or a no start condition recently?
32 -- EVP circuit has intermittently failed below minimum voltage of 0.24 volts. -- Common code for the EGR position sensor mis reading, either a bad position sensor or a partly open EGR valve.
41 -- HEGO sensor circuit indicates system lean (right side). -- You should only have one and either you have a lean condition in the truck which could be caused by a partly open EGR valve (See code 32) or if you have more than 100, 000 miles on that EGR sensor it is time to replace it.