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  #21  
Old 05-13-2019, 10:55 PM
paullap paullap is offline
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Default power and earths

Hi Tech 25, I think that is a good shout, Probably something I should have done from the start. The oil pressure switch looks strange, And the secondary ignition is crazy. I would probably have to test the power and earths with the engine running?. How is life in Sunny Florida?. a great place, I have been there many times.


Thanks for the tip,



Paul
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  #22  
Old 05-13-2019, 11:17 PM
paullap paullap is offline
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Default coil pack

I think the coil pack link was wrong, Try this one



https://vgy.me/u/MfLwsW
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  #23  
Old 05-14-2019, 06:01 AM
Witsend Witsend is offline
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Quote:
I think the coil pack link was wrong, Try this one
All 3 links look like the same image to me.
It does appear to look like it has 4 separate coils but if 1 and 4 and 2 and 3 are directly next to one another, I would suspect it's a waste spark system that is going to make the pattern look crazy if you don't use a DIS adapter .
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  #24  
Old 05-14-2019, 06:13 AM
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tech25 tech25 is offline
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Quote:
Originally Posted by paullap View Post
Hi Tech 25, I think that is a good shout, Probably something I should have done from the start. The oil pressure switch looks strange, And the secondary ignition is crazy. I would probably have to test the power and earths with the engine running?. How is life in Sunny Florida?. a great place, I have been there many times.


Thanks for the tip,



Paul

hey there, its starting to get hot and humid. not fun in a shop with no ac.. hopefully when school is out and these snow birds go back north, stuff will slow down.

I would not test for ground with the engine running, i would disconnect the ecu connector key off, and test at the actual pins in the connector to a known good ground ( battery terminal ), test all grounds, and take in account of dvom /leads resistance,

than with key on, connector still disconnected. i would test for power at all pins, ( dont have wiring diagram ) but im sure theres more than one ground, and more than one power.
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  #25  
Old 05-14-2019, 06:24 AM
paullap paullap is offline
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Sorry, What is a DIS adapter?.


Paul
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  #26  
Old 05-14-2019, 04:33 PM
Witsend Witsend is offline
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Sorry, What is a DIS adapter?.


https://store.snapon.com/Secondary-I...--P644504.aspx
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  #27  
Old 05-16-2019, 07:27 AM
Witsend Witsend is offline
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I recently had a 2008 Buick La Crosse that seemed pretty corked up starting around 2500rpm . I removed the downstream O2 sensor and it did not seem to make a difference revving it to 3000 rpm still seemed to bog . I reinstalled the downstream O2, then removed the upstream O2 sensor and that uncorked it, and it revved easily past 3000rpm fine. It had a restricted Cat converter.
Yesterday I checked a 2008 Mazda 3 with a lean condition at idle code P2187.I had to check it in Generic OBD2 mode to view short and long fuel trims, because in regular factory pid mode the Air Fuel Ratio Sensor data displayed in a some sort of Farfigfunk way I'm not in the mood to learn how to convert to.
Some times less stuff to sift through and put in a simpler form makes life a little easier.

https://www.youtube.com/watch?v=XaCL0vgLJCk

https://www.youtube.com/watch?v=9U5TUIjyj-s

Last edited by Witsend; 05-16-2019 at 12:34 PM..
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  #28  
Old 05-17-2019, 01:26 AM
paullap paullap is offline
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Hi Witsend, That is a great you tube video, I am still playing with this car, I dont have a lot of time at the moment, But I will be back on it soon. Watch this space.

Paul
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  #29  
Old 05-17-2019, 10:05 PM
paullap paullap is offline
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Default Knock sensor

I am going to look at the knock sensor next, I know how test it on the PIco scope, But what do you look for on the verus pids?. At the moment the on the pid it is 0 volts constant, enen with the engine running and revving, Surly there should be some sort of movement?.


Paul
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  #30  
Old Yesterday, 11:48 PM
paullap paullap is offline
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I have had another look at this KA.
a few observations
I did a cylinder waveform on all the cylinders, they all look the same to me, but when doing this it did not record any misfires whatsoever. no codes.

I would have thought you would get a misfire code for that ?.

This spitting in the inlet is heat related. the warmer it gets the worse it is, probably to do with the detonation.

It does it when warm as soon as you take your foot off the pedal from wide open throttle, so this is telling me it is a vacuum related problem .

I am going to do a in cylinder waveform with the coils crank sensor and injectors later. I want to see where the timing is at idle and 300 rpm.

I will let you know how I get on

Paul
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