Search found 336 matches

by Fat Freddy
Mon Dec 30, 2013 10:54 am
Forum: Diagnostic discussion
Topic: 2005 Corsa C Misfire
Replies: 11
Views: 24204

Re: 2005 Corsa C Misfire

Captures 1 and 2 the sample rate is too low.

Capture 3, Nice sample rate. What coil are you connected to? I suspect if you hooked onto the secondary (extension leads) you may spot a fault. Also add primary 2/3 (Don't know this engine so a bit of guess work involved).

FF
by Fat Freddy
Sat Dec 28, 2013 11:11 pm
Forum: Automotive kit hardware
Topic: Low amp clamp help
Replies: 4
Views: 8484

Re: Low amp clamp help

which is all well & good if the scale is even.
As you know, that's the easy bit. It's weather it will do greater than -ve 5 Amps.
by Fat Freddy
Sat Dec 28, 2013 6:51 am
Forum: Automotive kit hardware
Topic: Low amp clamp help
Replies: 4
Views: 8484

Re: Low amp clamp help

Hi

Drop down menu - Tools > Maths channels > Invert A/B

HTH
FF
by Fat Freddy
Wed Dec 25, 2013 7:14 am
Forum: Help me fix my car
Topic: 2007 vauxaull vectra 1.9 dth poor starting
Replies: 9
Views: 20670

Re: 2007 vauxaull vectra 1.9 dth poor starting

why are you AC coupled on CHA/B ???
That too. Where's my glasses :shock:
by Fat Freddy
Tue Dec 24, 2013 9:06 am
Forum: Help me fix my car
Topic: 2007 vauxaull vectra 1.9 dth poor starting
Replies: 9
Views: 20670

Re: 2007 vauxaull vectra 1.9 dth poor starting

Does not look right.

Personally I would have stabbed the other crank sensor wire. Also the cam signal looks wrong - -5V and the rising voltages. Are you correctly hooked to gnd. Also more time on the screen is advisable.

Are you sure injection is not occurring ????

HTH
FF
by Fat Freddy
Fri Dec 20, 2013 10:21 pm
Forum: Diagnostic discussion
Topic: Nissan Primastar info request
Replies: 5
Views: 11601

Re: Nissan Primastar info request

That would be appreciated.

Do you have any capture's, during an extended crank? I'm interested in the Cam sensor output and the logged P0340.

Thanks
FF
by Fat Freddy
Wed Dec 18, 2013 9:47 am
Forum: PicoScope 6 Automotive software
Topic: Manual trigger with pre-trigger buffer?
Replies: 18
Views: 33505

Re: Manual trigger with pre-trigger buffer?

Also as Robski has mentioned. How are you hooked up. Your voltages look odd.
by Fat Freddy
Wed Dec 18, 2013 9:37 am
Forum: PicoScope 6 Automotive software
Topic: Manual trigger with pre-trigger buffer?
Replies: 18
Views: 33505

Re: Manual trigger with pre-trigger buffer?

So it looks like, in the Automotive views, sampling rate drops as time/div goes up, which is useless for me. And in regular Scope view it doesn't let me pull up channels B or C, even though they obviously are getting signals. And the Window Dropout trigger seems to be broken as well. If you posted ...
by Fat Freddy
Sun Dec 08, 2013 3:21 am
Forum: PicoDiagnostics software
Topic: Error On Cylinder Balance Test
Replies: 36
Views: 77467

Re: Error On Cylinder Balance Test

As Kim said check output from the Oxygen sensor, almost always worth doing with fuelling problems. Also check the sensors reaction - force rich and lean to check reaction.

FF
by Fat Freddy
Sun Dec 08, 2013 3:15 am
Forum: PicoDiagnostics software
Topic: Error On Cylinder Balance Test
Replies: 36
Views: 77467

Re: Error On Cylinder Balance Test

Hi Debbie. Sorry about my English. What is a WSP? Your English is fine. A WPS is for measuring in cylinder pressures to calculate cylinder leakage and valve events on a running engine as Dennis has pointed out. Usually I would use the crank sensor along with the transducer as a reference to rotation...