Search found 33 matches

by Terry Ferguson
Wed Mar 02, 2016 10:21 am
Forum: Diagnostic discussion
Topic: Switching two cylinder running
Replies: 43
Views: 38024

Re: Switching two cylinder running

Thanks for that, Glad somethings OK, I thought it looked like a good signal, I will set up 2 Clamps on the injectors, Cam & Crank on the settings yyou sugest, I know I can pick 2 injector wires that have that same Good patern, But the other two have a lot more Interfearence, Wavy line Ossilations, B...
by Terry Ferguson
Tue Mar 01, 2016 10:17 pm
Forum: Help me fix my car
Topic: Ford S-max 1.8TDCI Diesel Knock after exchange engine
Replies: 12
Views: 23005

Re: Ford S-max 1.8TDCI Diesel Knock after exchange engine

Hi just read this post & lots of these Patterns Match the results I am Getting, I have the switching 2 cylinder misfire On the diagnostic channel, This car is Same model & engine code, What fixed this, My car has hard Knock, Made better by opening EGR, But runs on 2 cylinders only, Then switches to ...
by Terry Ferguson
Tue Mar 01, 2016 9:51 pm
Forum: Diagnostic discussion
Topic: Switching two cylinder running
Replies: 43
Views: 38024

Re: Switching two cylinder running

thanks for Siemens Injector wave forms, The one I have posted, looks Very like the bottom Green on their demo, that was one running cylinder, So this makes me think Mine is ok, But I did have clamp on a cylinder that was not running & had a different pattern, But then Switched on its own to a good f...
by Terry Ferguson
Tue Mar 01, 2016 8:40 pm
Forum: Diagnostic discussion
Topic: Switching two cylinder running
Replies: 43
Views: 38024

Re: Switching two cylinder running

I have 2 low amp clamps, I'll take your advise & give it a go, I have a break out lead for crank & will try Cam & Crank, I also thought the cam wave form was inverted But was connected ok (I think) Again I'll check again tomorrow. I have had the low amp clamps on the Loom at ECU & got the first pict...
by Terry Ferguson
Tue Mar 01, 2016 7:06 pm
Forum: Introductions
Topic: new to pico
Replies: 5
Views: 6502

Re: new to pico

Hi, Had the scope on today On my 2 cylinder Switching misfire, I think I have out Waveforms on Diagnostic discussion, first is Virtual compression on A & 20v pin in Number 1 injector All Injectors Unplugged, Pattern looks a Mess, Not what I expected, It looks like I have compressions missing & Firin...
by Terry Ferguson
Tue Mar 01, 2016 6:38 pm
Forum: Diagnostic discussion
Topic: Switching two cylinder running
Replies: 43
Views: 38024

Re: Switching two cylinder running

Hi There, Looking for help, I have now got a different Tested ECU on Trial (its Going back as Fault is Exactly the same) Fitted it & yes the fault is Exactly the same (so Not ECU), Starts & runs Knocking, Off on 2 cylinders I have tried to get pico results, I have to say I am not getting the patens ...
by Terry Ferguson
Sun Feb 28, 2016 7:11 pm
Forum: Diagnostic discussion
Topic: Switching two cylinder running
Replies: 43
Views: 38024

Re: Switching two cylinder running

Thanks for your help, I will as you say do more study on the operation of the scope, to the clamp fitting, I had tested the loom from injectors to ecu, For continuity & Each one to ground, these wires have tested fine, So the clamps were on different injectors, the 3 event signal was only on the 2 f...
by Terry Ferguson
Sat Feb 27, 2016 3:37 pm
Forum: Diagnostic discussion
Topic: Switching two cylinder running
Replies: 43
Views: 38024

Re: Switching two cylinder running

Thanks for comment, This was the first time I used scope,(so not at recording stage yet) I had it set 10ms/div, X1, 1ms sample rate, trigger Auto. I had two 60amp clamps in 20 amp mode, Clipped over injector wire at ecu. First picture had 1 clamp on a firing cylinder & 1 on a non firing cylinder, I ...
by Terry Ferguson
Fri Feb 26, 2016 10:17 am
Forum: Diagnostic discussion
Topic: Switching two cylinder running
Replies: 43
Views: 38024

Switching two cylinder running

I am new to my Picoscope, I have the advanced 4 channel set, My first case in which to use it is a very strange one, I got a 09 Ford S Max, 1.8 tdci, I was told engine was Scrap & car needed new engine, once in workshop, it did sound Knocking & rough & Smokey, I pulled off the injector wires on each...
by Terry Ferguson
Fri Feb 26, 2016 9:49 am
Forum: Introductions
Topic: new to pico
Replies: 5
Views: 6502

Re: new to pico

I think I have sorted Waveform library, I tried to access it from this sight, I now realise i do it via the Pico its self, Thanks Terry