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Relative compression
- naros812000
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6 years 6 months ago - 6 years 6 months ago #14202
by naros812000
Relative compression was created by naros812000
Dears,
I have done a relative compression test on my toyota avalon 2012 v6 3.5 engine. Here I have uploaded the picture and I want to know your opinion of this test
Thank you
I have done a relative compression test on my toyota avalon 2012 v6 3.5 engine. Here I have uploaded the picture and I want to know your opinion of this test
Thank you
Last edit: 6 years 6 months ago by naros812000.
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6 years 6 months ago - 6 years 6 months ago #14208
by Dylan
Replied by Dylan on topic Relative compression
Aloha I prefer to do a relative compression test with an amp clamp.
Moving this topic to diagnostic tools & techniques.
Moving this topic to diagnostic tools & techniques.
Last edit: 6 years 6 months ago by Dylan.
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6 years 6 months ago #14209
by Ro-longo
"Silver bullets are for killing Werewolves, not fixing Cars." -Rob Longoria-
Replied by Ro-longo on topic Relative compression
Very difficult to make anything out with the picture provided. Can you try to upload a better image, thanks.
"Silver bullets are for killing Werewolves, not fixing Cars." -Rob Longoria-
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6 years 6 months ago #14210
by Dylan
Replied by Dylan on topic Relative compression
Check this one out from Motor Age if you want to perform a relative compression test without an amp clamp. Also notice the AC coupling.
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6 years 6 months ago #14212
by karim
Replied by karim on topic Relative compression
Thank you all.
I used Low Amp 20 .... relative compression test on Toyota avalon 2012 V6 3.5L. Photo updated.
I used Low Amp 20 .... relative compression test on Toyota avalon 2012 V6 3.5L. Photo updated.
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6 years 6 months ago #14218
by Tyler
Replied by Tyler on topic Relative compression
Can you show us the same capture, but zoomed out? 500mS or 1 second on the screen would be great.
It seems like the amp probe is struggling to measure current consistently... If you were to use the same probe on a steady draw (headlight, blower motor), does it behave the same way?
It seems like the amp probe is struggling to measure current consistently... If you were to use the same probe on a steady draw (headlight, blower motor), does it behave the same way?
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- Andy.MacFadyen
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6 years 6 months ago #14223
by Andy.MacFadyen
" We're trying to plug a hole in the universe, what are you doing ?. "
(Walter Bishop Fringe TV show)
Replied by Andy.MacFadyen on topic Relative compression
With a 3.5 V6 the starter will take a huge current out of range of your clamp, as already suggest do a voltage relative compression instead .
When working single handed I do voltage relative compression test by just plugging into the cigar lighter socket. I first do an DC test to check the cranking voltage to check battery condition and charging then switch to ac for relative compression.
When working single handed I do voltage relative compression test by just plugging into the cigar lighter socket. I first do an DC test to check the cranking voltage to check battery condition and charging then switch to ac for relative compression.
" We're trying to plug a hole in the universe, what are you doing ?. "
(Walter Bishop Fringe TV show)
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