Search found 12 matches

by faraday
Mon Apr 12, 2021 10:22 pm
Forum: Best of the web
Topic: Automotive Oscilloscope book
Replies: 5
Views: 13272

Re: Automotive Oscilloscope book

There is great ebook by Brandon Steckler 'Pressure Waveform Acquisition and Analysis from the Inside Out '
Very detailed information with case study.
by faraday
Mon Jan 04, 2021 3:48 pm
Forum: Automotive kit hardware
Topic: Scope for DIY beginner
Replies: 4
Views: 6078

Re: Scope for DIY beginner

From my experience you will end UP with automotive scope with at least 4ch. With 2ch you will be very limited on your mesurements.
by faraday
Fri Jan 01, 2021 2:14 pm
Forum: Case studies
Topic: Zafira A z18xe misfire
Replies: 9
Views: 15547

Re: Zafira A z18xe misfire

Nice Diagnose! Including a math channel gives a clear image why the ECU is seeing a misfire. What made you start with a measurement of the CKP? Was it a DTC or something else that made you check this signal first? The only dtc's was from misfire. During diagnosis I did not spot any problem I mean e...
by faraday
Fri Jan 01, 2021 2:02 pm
Forum: Case studies
Topic: Zafira A z18xe misfire
Replies: 9
Views: 15547

Re: Zafira A z18xe misfire

Is this repaired? Went down this road about nine years ago with same engine. https://www.autonerdz.com/cgi/yabb2/YaBB.pl?num=1333103032/0 I repaired the damage but still had a problem that only disappeared with another (the 3rd) ecu, since then I've been unsure how many faults I was dealing with. O...
by faraday
Wed Dec 23, 2020 8:17 pm
Forum: Case studies
Topic: Zafira A z18xe misfire
Replies: 9
Views: 15547

Re: Zafira A z18xe misfire

Made some additional measurement and I think it is obvious why ECU interpret this as misfire on higher RPM. Look at signal amplitude at low and high rev and how clear it looks with math channel (RED).
by faraday
Sun Dec 20, 2020 6:28 pm
Forum: Case studies
Topic: Zafira A z18xe misfire
Replies: 9
Views: 15547

Re: Zafira A z18xe misfire

liviu2004 wrote:
Sun Dec 20, 2020 4:33 am
Well done, how was the damage done? Dis must be genuine, aftermarket miss ballast resistor, will throw ecu p1600 + p1606.
Unfortunately I don't know full history of this car. Customer said the cylinder head had been refurbished.
Picture from reluctor ring was made by mechanic after disassembly.
by faraday
Sat Dec 19, 2020 10:58 pm
Forum: Case studies
Topic: Zafira A z18xe misfire
Replies: 9
Views: 15547

Zafira A z18xe misfire

Car Data: Opel Zafira A 2002y engine code Z18XE. Car runs perfect at IDLE and drives smooth with rev up to 3000rpm, above 3000rpm after few seconds checkengine lit and fault code missfire on cylinder 1 and 4. 4 garages could not fix issue. Fitted new plugs, dis , even brand new ECU. Diagnostic does ...
by faraday
Sat Dec 19, 2020 10:17 pm
Forum: PicoScope 6 Automotive software
Topic: Tablet based laptop
Replies: 6
Views: 9441

Re: Tablet based laptop

I use Panasaonic fz-g1 all work ok except markers (i can't reach them), I use picoscope 6 automotive.
by faraday
Wed Nov 11, 2020 4:35 pm
Forum: PicoScope 6 Automotive software
Topic: PicoScope Beta 6.9 Waveform Library Browser
Replies: 81
Views: 358552

Re: PicoScope Beta 6.9 Waveform Library Browser

Well :) After I got a PM from Ben, I was ask to share here, method to make old WIN XP to connect with Waveform Library. It seems that the problem is SSL certificate for establish a secure connection to the server that is obsolete aswell in WIN XP and is needed to be "updated". So I found a certific...
by faraday
Wed Nov 11, 2020 3:45 pm
Forum: PicoDiagnostics software
Topic: Picoscope 6 automotive 6.11.12.1692
Replies: 3
Views: 7564

Re: Picoscope 6 automotive 6.11.12.1692

THX for fast reply. Looks like need to upgade my laptop.

I use 4223 Automotive BTW.