need directions
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New User
Joined: May 2009
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need directions
so, the husband bought a equus 4977 code reader from somebody...works (we think) but there are no directions...there is not a test\hold button on this code reader...anybody know how to use this thing so we can read the codes?
Fleet Mechanic
Joined: Mar 2005
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From: St Louis
The EQUUS website doesnt provide the manual for this reader. I am not sure what my code reader at home is but I cant look at it due to me being at work. This may be a dumb question but how has he used it so far?
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he hasn't used it--at least not effectively..he's been trying to figure out how to make the stupid thing work...we're attempting the paperclip test now...but the only thing the reader shows on the display is 000 or 00..
Elder User
Joined: Feb 2007
Posts: 601
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From: Chicagoland
KOEO - connect reader to big black plug and small gray one, turn key to run, press "on" button on reader, press "test" button on reader (the relays should clatter and fuel pump should run at this point), wait for codes
KOER - same except start engine rather than just turning key to run
KOER - same except start engine rather than just turning key to run
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there isn't a test button...that's the problem...there is an on\off button and a memory button with a reset button hidden in between the two..we ended up doing the paperclip test which did give me codes that can help...we got a code for the egr valve..which we're trying to work on now...
Elder User
Joined: Feb 2007
Posts: 601
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From: Chicagoland
there isn't a test button...that's the problem...there is an on\off button and a memory button with a reset button hidden in between the two..we ended up doing the paperclip test which did give me codes that can help...we got a code for the egr valve..which we're trying to work on now...
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there are some things i will never understand the these trucks are definitely one of them...so replaced the egr sensor--took the oxygen sensor off because we're getting ready to put a new one in, but riddle me this...why is it that we haven't gotten the first o2 sensor code? with the o2 sensor removed the codes are 111...system pass...did i mention the truck still runs like crap and stalls on acceleration? idles fine still though
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yes, the engine was warmed up...we knew the o2s need to be replaced...it was missing one of them all together...it is a 92 eddie bauer 5.0 302...we have replaced almost every sensor we can think of..if you'll check the "he needs help" post there's a list of everything we've done....but the cel has gone off and it's not reading any codes anymore...still runs like crap...better than it did...but not right
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fyi
if you talk real sweet to the fellas at equus they will manage to generate a copy of just about any manual you need...like the one for ours...they e-mailed me a copy of the manual...just thought i'd let you guys know..if you can't talk sweet to them...let your wife do it...see we are good for something 
Freshman User
Joined: Dec 2008
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From: Sequim, WA
if you talk real sweet to the fellas at equus they will manage to generate a copy of just about any manual you need...like the one for ours...they e-mailed me a copy of the manual...just thought i'd let you guys know..if you can't talk sweet to them...let your wife do it...see we are good for something
