Search found 1671 matches

by Steve Smith
Fri Aug 16, 2024 11:17 am
Forum: Case studies
Topic: Poor emissions - exhaust valve sticking
Replies: 8
Views: 45891

Re: Poor emissions - exhaust valve sticking

Hi Martin, I hope you are well and thank you for taking the time to post this study I do remember with the years I spent at Rover, just how fickle the K, M and T Series engine could be with regards to carbonising valves It was often attributed to short journeys and low mileage vehicles and it was ...
by Steve Smith
Fri Aug 16, 2024 10:13 am
Forum: PicoDiagnostics NVH
Topic: Bearing analysis and unknown vibration orders
Replies: 0
Views: 9237

Bearing analysis and unknown vibration orders

Wheel bearing diagnosis with our NVH solution has been documented in a case study here https://www.youtube.com/watch?v=kLcSib7TWpM&t=642s and covered on our forum here https://www.picoauto.com/support/topic17901.html. Having multiple sensors attached to 4 corners of the vehicle does save time and ...
by Steve Smith
Fri Aug 09, 2024 6:56 pm
Forum: PicoScope 7 Automotive software
Topic: PicoScope 7 Automotive Software
Replies: 145
Views: 259968

Re: PicoScope 7 Automotive Software

Thank you once again to the software teams for their continued dedication to the development of PicoScope 7 Automotive Early Access 7.1.35.2546 (inc. Pico Diagnostics 1.16.144.0) which can be download here https://www.picoauto.com/downloads New features PicoScope 7 Waveform annotations will now be ...
by Steve Smith
Fri Aug 09, 2024 12:18 pm
Forum: Diagnostic discussion
Topic: Secondary Ignition - Hash on Burn Line
Replies: 2
Views: 11787

Re: Secondary Ignition - Hash on Burn Line

Hello Martin, I hope you are well and thank you for the post The burn voltage does look exceptionally noisy and given this was a cold engine we have several possibilities to consider Could I ask, did the vehicle misfire or run unstable during the initial cold start (perhaps uneven combustion more ...
by Steve Smith
Fri Aug 09, 2024 11:40 am
Forum: Introductions
Topic: Hello from Ayrshire in Scotland
Replies: 1
Views: 3590

Re: Hello from Ayrshire in Scotland

Hello and thank you for the post, welcome to the forum It would be great to have your feedback as a user and a trainer in order to understand how we can smooth out the learning curve PicoScope will certainly bring sensors and actuators to life on the big screen, ultimately joining the dots between ...
by Steve Smith
Thu Aug 08, 2024 7:19 pm
Forum: PicoDiagnostics NVH
Topic: NVH config of tach signal and gear ratios
Replies: 2
Views: 5106

Re: NVH config of tach signal and gear ratios

Hello and thank you for the post Regarding Tach RPM An ignition pulse/trigger can be used to determine engine rpm. For conventional ignition you can use 0.5 pulses per revolution (i.e. non-wasted spark) 1.png For wasted spark ignition, this would be one pulse per revolution One pulse per revolution ...
by Steve Smith
Wed Aug 07, 2024 2:37 pm
Forum: PicoDiagnostics NVH
Topic: TA144 Microphone in the NVH - Kit
Replies: 7
Views: 8123

Re: TA144 Microphone in the NVH - Kit

Hello Uli, thank you for the feedback and for pursuing this one with no muffler too! I assume the NVH software was “clipping” when using the TA144 Mic with our NVH software set to 60-125 dB? Using the TA144 Mic in PicoScope 7 we are going to see similar limitations as the Mic output peaks in pro ...
by Steve Smith
Wed Aug 07, 2024 9:18 am
Forum: PicoDiagnostics NVH
Topic: New to NVH: Tire vibration question
Replies: 7
Views: 12061

Re: New to NVH: Tire vibration question

Just a quick follow up on the channel labelling from above: The mislabelling due to no channel LED illumination is an interesting point, thank you We did test this yesterday with a 4425A and the channel LEDs remain lit to indicate channel colour I have just tested PD 1.16.164.0 with my 4425A and ...
by Steve Smith
Tue Aug 06, 2024 8:45 pm
Forum: PicoDiagnostics NVH
Topic: New to NVH: Tire vibration question
Replies: 7
Views: 12061

Re: New to NVH: Tire vibration question

Hello and thank you for the post The mislabelling due to no channel LED illumination is an interesting point, thank you We did test this yesterday with a 4425A and the channel LEDs remain lit to indicate channel colour I have just tested PD 1.16.164.0 with my 4425A and they do not remain illuminated ...
by Steve Smith
Tue Aug 06, 2024 7:53 pm
Forum: Introductions
Topic: Hello from Spain!!
Replies: 5
Views: 5438

Re: Hello from Spain!!

Hello and thank you for the feedback

The following link will help viewtopic.php?p=105563#p105563

Take care......Steve