Search found 4 matches

by Datchet Diagnostics
Wed May 03, 2017 9:39 pm
Forum: Help me fix my car
Topic: Misfire Corsa B 1.0 2000
Replies: 30
Views: 31239

Re: Misfire Corsa B 1.0 2000

an exhaust emissions test done
Pre August 1992 we had this - A state of bliss.

On this car the catalyst would mask most issues. In the absence of DTC P0420 the results will be misleading.
by Datchet Diagnostics
Tue May 02, 2017 10:13 pm
Forum: Diagnostic discussion
Topic: Rough idle and white smoke on Mondeo
Replies: 8
Views: 14679

Re: Rough idle and white smoke on Mondeo

This being the engine launched wit chocolate Con Rods ?
by Datchet Diagnostics
Tue May 02, 2017 8:48 pm
Forum: Diagnostic discussion
Topic: adding math channel
Replies: 4
Views: 6364

Re: adding math channel

I note that the capture was gathered with the scope channel set to AC. Although these inductive position sensors do output a AC signal they are best measured with the Pico set to DC and the black lead directly secured to battery minus. AC coupling this particular measurement has a potential to hide ...
by Datchet Diagnostics
Tue May 02, 2017 8:20 pm
Forum: Diagnostic discussion
Topic: Sensor, wiring or ring ?? (Digital)
Replies: 20
Views: 22934

Re: Sensor, wiring or ring ?? (Digital)

I have taken measurements between timeline 600 - 620 of your waveform where a frequency drop of about 50% is displayed by the math channel. This is not a true reflection of the wheel speed reported within that time frame neither does it indicate a vehicle / abs fault. A 50% instantaneous speed drop ...