[FIXED] 2001 ACURA CL 3.2 CRANKS/ NO START
- tim.smith1
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@tim.smith1 On the bottom pic where it's more square, you had the connector off cop correct?
It does look a little funny but I wouldn't be concerned with that as long as the coils are firing and they clearly are. The second picture, is that the same signal with the coil unplugged? That looks more like what we would expect but I definitely have seen the base circuit trigger signal be distorted by the current flow of the coil. So again, I don't think this is your problem. I think someone commented on inputs and timing and I would like to see this too. Maybe a relative compression test synced with the base circuit trigger signal on one of the coils to start with.
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www.mediafire.comtim.smith1 wrote: how do i load a movie from a versus to the forum page
www.zippyshare.com
I've think it's time we have a look at your cam and crank signals. When you have outputs that are not being turned on, like fuel injectors, it's probably due to bad inputs. Just look at the missing ramps !
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If not, then that would mean there's a power or ground issue because ~250mA of current is too low for an injector. Or maybe your homemade fuse jumper has too much voltage drop, maybe the amp clamp is low on batteries, maybe you didn't zero out the probe... too many variables lol.
I could go either way on checking out the cam and crank signals or voltage drop testing a fuel injector feed. Seeing that peak amperage ramp at 2.2, yeah, just pick out a single power feed at the nearest injector, crank engine, and do voltage drop test on it.
EDIT: You know what would be easier to check power and ground to injector? Put on your attenuator and capture an injector voltage waveform.
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Tim.smith: According to pictures of spark plugs, i was expecting totally wet ones.
I mean, wet without resistors and dry with resistors (if it's the case, we can conclude something).
did you notice any diference with and without resistors?
I can't still conclude wheter is lack or to much fuel
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- tim.smith1
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jreardon wrote: Dunno if this is pertinent:
Code:https://youtu.be/pUpUp0cea00?t=1566
you tube videos are not working here
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guafa wrote: Jreardon: Completely pertinent. 250mA is to low for me also (unlees tools were not fast enough to graph peaks)
Tim.smith: According to pictures of spark plugs, i was expecting totally wet ones.
I mean, wet without resistors and dry with resistors (if it's the case, we can conclude something).
did you notice any diference with and without resistors?
I can't still conclude wheter is lack or to much fuel
okay so let me make this clear the plugs i took pictures of were the plugs that came out of the car when it first came into my shop.
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- tim.smith1
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I don't think cam crank is an issue because there are no codes, there's injector and spark control, and my initial suspicion concerning the missing injector ramps after all of them fire, well, if the cam crank was an issue the missing ramps would be consistent throughout the capture, not just on initial crank, so that leads me away from cam issue.
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