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How to check injectors?

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Old Jul 11, 2002 | 03:05 PM
  #1  
EGHatchy's Avatar
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From: Virginia Beach, VA, USA
Default How to check injectors?

Can I just pull off the full rail with the injectors on it, crank up the car, and see if gas comes out?
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Old Jul 11, 2002 | 03:09 PM
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Default Re: How to check injectors? (EGHatchy)

Can I just pull off the full rail with the injectors on it, crank up the car, and see if gas comes out?
NOT RECOMMENDED AT ALL...

you can run hte engine and use a stethoscope to listen for a 'clicking' sound at the injectors (meaning they are opening and closeing)

eg use a long screwdriver and place its tip on to each injector case and place your ear on the butt(handle) of the screwdriver and listen...

this will tell you if they are working.

HTH,

t..
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Old Jul 11, 2002 | 04:14 PM
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From: glen burnie, MD, N. America
Default Re: How to check injectors? (tinkerbell)

just pull the plug out of the top injector when your car is at idle and see if you lose RPM's if you do then the injector is fine. do that on all of your injectors to you pull one out and it doesnt affect nothing then thats your bad injector

steve
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Old Jul 11, 2002 | 04:25 PM
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Default Re: How to check injectors? (jdmimports79)

just pull the plug out of the top injector when your car is at idle and see if you lose RPM's if you do then the injector is fine. do that on all of your injectors to you pull one out and it doesnt affect nothing then thats your bad injector

steve
Or it's not getting a signal to squirt.
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Old Jul 11, 2002 | 05:31 PM
  #5  
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Default Re: How to check injectors? (Chiovnidca)

ok, I had to check it my way, but only left the injectors out and started it for 2 secs...and no gas was coming out...Im guessing there is no signal for it to squirt...are the one wires on the injector plugs that are the same color on each plug(like yel/blk on each plug) the ground wires?
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Old Jul 11, 2002 | 05:43 PM
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From: Cincinnati,, Oh
Default Re: How to check injectors? (EGHatchy)

ok, I had to check it my way, but only left the injectors out and started it for 2 secs...and no gas was coming out...Im guessing there is no signal for it to squirt...are the one wires on the injector plugs that are the same color on each plug(like yel/blk on each plug) the ground wires?
Did you check your fuses and main relay?
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Old Jul 11, 2002 | 05:45 PM
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Default Re: How to check injectors? (Chiovnidca)

waht about fuel pressure?

maybe no fuel to the rail?

were the injectors clicking?

when did this problem begin? is it a swap? or what?

t..
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Old Jul 11, 2002 | 10:03 PM
  #8  
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From: Virginia Beach, VA, USA
Default Re: How to check injectors? (tinkerbell)

I checked almost all my fuses, and I know its not the main relay because I tried mine on another Crx and it worked fine.
I dont know about the fuel pressure, but I do know fuel is getting into the rail because I had a bad O-ring and it was leakin fuel, and got new rings...
This problem just started, I just swapped a 92 LS into a 91 Crx SI...I got it started about 4 times in the last 2 days, but it took a while for it to start up again, had to wait a long time...
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Old Jul 12, 2002 | 10:26 AM
  #9  
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From: Virginia Beach, VA, USA
Default Re: How to check injectors? (EGHatchy)

What things on the wiring should I check? Because I did the 0bd-0 to obd-1 conversion, and maybe I made some wrong connections?
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Old Jul 14, 2002 | 03:04 PM
  #10  
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Default Re: How to check injectors? (EGHatchy)

What things on the wiring should I check? Because I did the 0bd-0 to obd-1 conversion, and maybe I made some wrong connections?
must have slipped your mind to metion that eh?

oh well, you have a wiring problem,

good luck!

t..
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Old Jul 14, 2002 | 03:30 PM
  #11  
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From: Cincinnati,, Oh
Default Re: How to check injectors? (EGHatchy)

What things on the wiring should I check? Because I did the 0bd-0 to obd-1 conversion, and maybe I made some wrong connections?
That's not important, is it?
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