1994 Ch613

[Clay]

Having problems with my 1994 CH613 was driving home and the engine shutdown light came on so I pushed the engine override switch down to get to the next exit . When I got there the engine was running fine and so I traveled back to the shop. Next morning I started it to unload and it started fine so I let it build air and pulled it forward to unload equipment and while is was unloading backhoe I noticed black and blue smoke coming from exhaust pipe then it quit! Started one more time for two minutes now it won’t! Changed transfer pump to ejection pump thinking it was not getting fuel still will not start . Anyone have any ideas ??? Don’t want to throw money at something that won’t work THANKS 

[theakerstwo]

First thing is get some one to read the ecm for old codes.

[Clay]

The nearest Dealer for my Ch 613 is 100 miles away so can I buy a ECM analyzer on line or will the nearest semi truck shop be able to read it ? Don’t want to act dumb but I can fix anything that doesn’t have a computer and lift buildings for a living 

[Joey Mack]

do you have the electric plug on the back of the injection pump?  

[Clay]

There is a round six hole gray female plug under the dash by the clutch with five pins around and one in the center .There is a male and female plug that are plugged together on the back of the injection pump. Thanks for all the help

[Joey Mack]

check the connection at the injection pump plug. the plug should be secured in a yoke.  over time the wires shake a lot and get loose in the plug. when you seperate the plugs, look inside at the pin condition, and gently tug each wire from the back to see if any are loose/moving. if so try to improve the securement of the wire.  do one at a time so you dont mix them up..  I have seen the pins slide back in the plug and dissconnect.. Good luck... jojo

[Joey Mack]

I forgot... Welcome aboard... jojo

[Joey Mack]

Before you buy a code reader, keep in mind that this truck is very simple, and good-old-fashioned diagnostic technic's get it done..  I have a code reader that is made by OTC.. I think I paid $275.00 for it.  I use it often on trucks older than 2016..  I will post a picture of it ... jojo

[Joey Mack]

Here it is... jojo ...   P/N 3418

Edited December 22, 2021 by Joey Mack
More content needed

[Clay]

Thank you this truck is old like me this was the third or fourth time that is has done it but every other time it would shut off for a few seconds and come back on it may just be that    Thanks again may have to look tomorrow!! Let you know

[Joey Mack]

good deal... look forward to the post's  jojo

[Joey Mack]

one other thing... look at the flywheel housing at the 8 O'Clock position, (bottom left)  and check the condition of the RPM/TDC sensor.. they get very dirty and oily and the insulation rots away from the wires... jojo

[Clay]

Thank you for answering my question and for the input from all . This truck came from Phoenix Az area and had been worked on by some very interesting guys a lot of duck tape and wire and zip ties !! The plug on the back of the injection pump had been duck taped and zip tied together when I pulled it apart water run out of it cleaned it up and put dielectric grease in the plug and it fired up.   Thanks again for the info Clay

[Joey Mack]

Well thats good news..  I have fixed that plug a bunch of times... hopefully thats the end of it,, It was my pleasure to help you on this issue. Jojo