 Injector Click Test (outside of motor) |
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| lsintampa |
 Aug 11 2013, 10:20 AM
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#1
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Senior Member  Group: Members Posts: 520 Joined: 28-January 13 From: Tampa, FL Member No.: 15,441 Region Association: South East States  |
OK,
I hooked up a pig-tail to this injector. Then I got a 9V battery and tapped the pig-tail numerous times. I never hear the injector click - and I'm assuming that it should. The pig-tail does spark though - as if there is a short - which seems odd. So, what is that telling me? BTW - PO has said that all the injectors were cleaned and tested and all tested and sprayed well. They were however sitting in a baggy for three months. I can't imagine that they just went south???? All four injectors and the cold start valve all behave the same way. Thanks, Len  Attached thumbnail(s) 
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Replies
| r_towle |
Aug 16 2013, 04:34 PM
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#2
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Custom Member Group: Members Posts: 24,705 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States 
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Cool, but where is the voltage?
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| Valy |
Aug 16 2013, 05:08 PM
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#3
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Senior Member Group: Members Posts: 1,677 Joined: 6-April 10 From: Sunnyvale, CA Member No.: 11,573 Region Association: Northern California |
QUOTE(r_towle @ Aug 16 2013, 03:34 PM)  Cool, but where is the voltage? The voltage is the vertical axis. Each major line is 5V. 0V is where the 1-> points on the left side of the picture, making the bottom of the graph -13.5V (again, the probe +/-were inverted). This means that the injector squirts when the graph is in the lower section. |
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Posts in this topic
lsintampa Injector Click Test (outside of motor) Aug 11 2013, 10:20 AM
reharvey These operate at 3 volts. I use a DC model train t... Aug 11 2013, 11:21 AM toadman They do operate at 3V but, in the past I have test... Aug 11 2013, 11:31 AM lsintampa OK,
So there is NO click under power.
They ohm ... Aug 11 2013, 11:46 AM Mark Henry If the pintle won't budge after the soaking (i... Aug 11 2013, 12:00 PM r_towle Dude, you have three threads going for the same pr... Aug 11 2013, 02:56 PM
lsintampa
Dude, you have three threads going for the same p... Aug 11 2013, 09:04 PM Porsche930dude try some different test leads and a different batt... Aug 11 2013, 06:24 PM lsintampa Soaked overnight - no change.
I spoke with the PO... Aug 12 2013, 10:22 AM Jeff Bowlsby I have seen this before. The injectors must be in... Aug 12 2013, 10:40 AM speed metal army Is the pigtail you made any good? Just a thought..... Aug 12 2013, 10:41 AM lsintampa
Is the pigtail you made any good? Just a thought.... Aug 12 2013, 11:00 AM lsintampa OK,
Another question that I don't have an ans... Aug 12 2013, 11:13 AM SLITS The electrical component inside is a solenoid. It... Aug 12 2013, 11:19 AM lsintampa
The electrical component inside is a solenoid. I... Aug 12 2013, 11:26 AM Jeff Bowlsby You can hear a click when activated. Seems to me ... Aug 12 2013, 11:41 AM lsintampa
You can hear a click when activated. Seems to me... Aug 12 2013, 11:52 AM Jeff Bowlsby
You can hear a click when activated. Seems to m... Aug 12 2013, 12:59 PM timothy_nd28 Consider reading this thread, he went thru the sam... Aug 12 2013, 01:00 PM r_towle did you soak them?
If so, what did you soak them i... Aug 12 2013, 01:14 PM lsintampa
did you soak them?
If so, what did you soak them ... Aug 12 2013, 01:51 PM pcar916 My 993 injectors were all frozen when I got the en... Aug 12 2013, 01:16 PM lsintampa
My 993 injectors were all frozen when I got the e... Aug 12 2013, 01:55 PM Jeff Bowlsby They are obviously stuck closed. Send them in for... Aug 12 2013, 01:59 PM lsintampa
They are obviously stuck closed. Send them in fo... Aug 12 2013, 02:11 PM luskesq
They are obviously stuck closed. Send them in f... Aug 12 2013, 04:13 PM lsintampa
[quote name='lsintampa' post='1908174' date='Aug ... Aug 12 2013, 06:52 PM timothy_nd28 You should try installing a grease zerk on each in... Aug 12 2013, 02:09 PM r_towle All a professional will do is soak them.
If they w... Aug 12 2013, 04:39 PM Valy I'm not sure Techtron will work.
I used an ult... Aug 12 2013, 06:15 PM SLITS Inside the fuel inlet, there is a micro-screen to ... Aug 12 2013, 10:12 PM lsintampa Let's end this...
I'm beyond guessing wh... Aug 13 2013, 09:50 AM worn
Let's end this...
I'm beyond guessing w... Aug 13 2013, 12:39 PM lsintampa Yeah, the shop just called.
Two ultrasonic baths ... Aug 13 2013, 12:57 PM Jeff Bowlsby Great way of looking at it Len. Lemonade from lem... Aug 13 2013, 01:10 PM Bob L. Have you licked that 9v battery lately? You sure i... Aug 13 2013, 03:11 PM stugray
my thoughts exactly.
We have similar "valv... Aug 13 2013, 03:31 PM worn
my thoughts exactly.
We have similar "val... Aug 16 2013, 11:02 AM Valy Oh... I got some captures.
Ping me if I forget to ... Aug 13 2013, 03:53 PM lsintampa For those following the drama.
The shop couldn... Aug 14 2013, 09:36 AM aircooledtechguy I just went through this on a friends car that use... Aug 14 2013, 11:31 PM lsintampa
I just went through this on a friends car that us... Aug 15 2013, 08:47 AM jsconst Len, I just sent in 8 - 2.0 injectors for cleaning... Aug 14 2013, 11:51 PM lsintampa
Len, I just sent in 8 - 2.0 injectors for cleanin... Aug 15 2013, 07:06 AM jsconst That would be sweet if you find them, good luck.
... Aug 15 2013, 07:14 AM aircooledtechguy :thumbsup: Aug 15 2013, 09:25 PM Valy Finally got to upload this.
This is the power at ... Aug 16 2013, 02:32 PM stugray Valy,
Thanks for the scope capture.
It sure looks... Aug 16 2013, 10:41 PM Valy
Valy,
Thanks for the scope capture.
It sure look... Aug 16 2013, 11:47 PM |
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