Search found 22 matches

by busjockey
Wed Oct 12, 2022 1:52 pm
Forum: Heavy Duty and Off Highway
Topic: New Holland CR7.9 No DFR Function
Replies: 3
Views: 4035

Re: New Holland CR7.9 No DFR Function

Nice find muttnjeff. To rule out the harness issue and confirm it was the computer you could have cut the wire close to the computer and put in a substitute load. I like to use reostats from amazon to do this. Then do your scope capture again and look for improvement. That would have proved it for y...
by busjockey
Mon Mar 02, 2020 3:19 pm
Forum: Diagnostic discussion
Topic: HD Engine Diagnostics Class in Clovis New Mexico
Replies: 1
Views: 2897

Re: HD Engine Diagnostics Class in Clovis New Mexico

Sorry here is the link to the Autonerdz site.
https://www.autonerdz.com/cgi/yabb2/YaBB.pl?num=1582995710
by busjockey
Mon Mar 02, 2020 3:18 pm
Forum: Diagnostic discussion
Topic: HD Engine Diagnostics Class in Clovis New Mexico
Replies: 1
Views: 2897

HD Engine Diagnostics Class in Clovis New Mexico

Hi everyone just a fyi I will be doing a HD Engine Diagnostics Class in Clovis New Mexico on July 30 and 31st from 8am to 5 pm. Here is the link to the Autonerdz site with all the course info. If interested contact me through my website. www.mjediagnostics.com Thank you. I will be showing various Di...
by busjockey
Mon Mar 02, 2020 3:03 pm
Forum: Introductions
Topic: introduction from a Kenworth dealership
Replies: 2
Views: 5983

Re: introduction from a Kenworth dealership

Hello there, my name is Michael Eilbracht and I am a Picoscope Distributor for Autonerdz.com. I specialize in HD Applications for Picoscope. I will be doing a HD Engine Diagnostics class that will show me using Picoscope to diagnose issues with the 4425 Auto model. If you are interested contact me t...
by busjockey
Wed Jan 10, 2018 6:49 pm
Forum: Best of the web
Topic: Bus Diagnostics
Replies: 4
Views: 30538

Re: Bus Diagnostics

Thanks for putting this up. Hopefully what I do will encourage more HD Technicians to use Scopes. :)
by busjockey
Mon Apr 04, 2016 7:12 pm
Forum: Introductions
Topic: esta analise e do eletroinjetor de um gm montana motor 1.8 f
Replies: 10
Views: 12010

Re: esta analise e do eletroinjetor de um gm montana motor 1

Can you scope all the Injectors with a current clamp and then use voltage for power and ground as your synch that way we can compare? That would help us identify a problem with the injectors. Have you done a relative compression test?
by busjockey
Wed Mar 30, 2016 4:57 pm
Forum: Diagnostic discussion
Topic: Minus batt
Replies: 5
Views: 6919

Re: Minus batt

What are the conditions for your test? Are you at idle no loads on or at 2500 rpm with loads on? Or are you using a carbon pile to load the system? 12.64 Volts at the battery isn't going to cut the mustard on this. Did you load test the battery first before beginning any charge testing? Did you chec...
by busjockey
Wed Mar 30, 2016 4:32 pm
Forum: Diagnostic discussion
Topic: 2004 Fiesta 1.4TDCi CMP/CKP Sync
Replies: 11
Views: 19930

Re: 2004 Fiesta 1.4TDCi CMP/CKP Sync

You could try Autonerdz and see if they have a known good. autonerdz.com. Plus post your scan data and captures. Thought I'd mention this since no one else has jumped in to help. :)
by busjockey
Wed Mar 30, 2016 4:19 pm
Forum: Diagnostic discussion
Topic: Aston Martin DB9 V12 No Compression on 2 cylinders...
Replies: 11
Views: 13373

Re: Aston Martin DB9 V12 No Compression on 2 cylinders...

I would agree you need to do a good visual inspection and make sure you don't have any pullys binding before moving on. If that's ok I would then drop a pressure transducer in a cylinder and have either another tranducer in the intake at a centralized location and crank the engine over and analyze i...
by busjockey
Wed Mar 30, 2016 4:00 pm
Forum: Diagnostic discussion
Topic: 4 wire egr valve feedback
Replies: 3
Views: 6228

Re: 4 wire egr valve feedback

A capture would be nice. Plus if you could post some scan data and codes. That way we can help you better. :)