p38 v8 camshaft sensor

Ask for and share advice on using the PicoScope kit to fix vehicles here.
Post Reply
sassanach
Newbie
Posts: 2
Joined: Thu Jul 03, 2014 12:32 pm

p38 v8 camshaft sensor

Post by sassanach » Thu Jul 03, 2014 12:51 pm

forgive me,but this is all new to me,this is a trace of year 2000 (thor)4.6 range rover camshaft sensor,i am trying to fix a misfire.there is a break at the top of the waveform...is this normal? could it be causing my problem?
Attachments
range rover cam sensor.psdata
(7.81 MiB) Downloaded 307 times

User avatar
Autonerdz
TwoWaves
TwoWaves
Posts: 336
Joined: Wed Nov 20, 2002 4:19 pm
Location: Washington State USA
Contact:

Re: p38 v8 camshaft sensor

Post by Autonerdz » Thu Jul 03, 2014 2:43 pm

If you mean the small dips with the spikes, then no worries. Those are voltage drops caused by the coil charging events. The spikes are EMI from the coil firing. They look like upside down coil current ramps for a reason. :wink:

sassanach
Newbie
Posts: 2
Joined: Thu Jul 03, 2014 12:32 pm

Re: p38 v8 camshaft sensor

Post by sassanach » Thu Jul 03, 2014 6:30 pm

thank you for that,the only reason I wondered was that I have another camshaft waveform of off an identical range rover which does not have the same pattern,and that one runs perfectly.i,m just basically trying to find any differences between the two vehicles

Post Reply