weird code # 65 runs like crap !!!

[berzerker]

truck started running like crap the other morning. shuddering and running like seems like 5 cyl's . checked codes on matco universal diagnostic computer , code 65 comes up hard code . shows diagnostic detail as being open circuit . no clue what the hell this means . trucks running pig rich , bad throttle response, any ideas and help would be appreciated .

 

[leroy]

Re: weird code # 65 runs like crap !!!

Try a different code reader. 65 isn't a legitimate engine code....could be an ABS code though, if I remember right.

Here's a link to diagnostic codes and how to read them without a scantool:
http://syty.org/old/d&e.html#codes

HTH,
Jim

 

[VermontTy]

Re: weird code # 65 runs like crap !!!

Code 65 is related to the ABS unit causing you trouble; an EXCELLENT opportunity to remove it!

"A lot of our trucks have problems with the ABS unit setting a code 65. This indicated a problem with the ABS control unit. Most reset the codes and ignore a code 65. Reset is extremely difficult. Turn the ignition on, short ALDL connection A to H for a couple seconds, move the short for one second, then put the short back in. If it resets, the ABS light will go out. You can spend up to ten minutes trying to reset the ABS. It will stay out for a month or so, then come back." (from archive)

There is also item #250 from the technical service bulletins on the Syclone that reads.

"Wheel Speed Sensor False - Code 65"