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#1
10-23-2007, 12:03 AM
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3.3 buick century
Okay got the century running to some extent.
Foudn a noticable miss. Disconect one injector no change in idle # 5 reconect and disconect # 3. No change in idle. Reconected then disconect #1 engine dies. Hook back up and restart Did the same thing on #6 engine dies reconect and started it. Disconect # 4 car dies. Reconect and restart. DIsconect #2 car still runs and no change I then disconect injectors 2 3 5 and car still runs. I am thinking that three of my injectors are cloged. and need replacement. I check the Ohms and they read 0.019 the same as the good injectors. Is there something that I am missing. 2 4 6 1 3 5 Front of car 
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#2
10-23-2007, 05:50 AM
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Re: 3.3 buick century
I'm suprised that the car will even start with only 3 injectors firing. Have you tried hooking up a noid light to see if those injectors are getting a pulse signal from the ECM?
__________________
 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#3
10-23-2007, 07:27 AM
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Re: 3.3 buick century
I swap the injectors plugs around in other words use number 3 on number one with the same results. The injectors did not change operation.
So that would lead me to believe that power is going to the injectors becuase I used a diferent plug on the same side.
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#4
10-24-2007, 11:44 AM
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Re: 3.3 buick century
The injectors on these engines work in series, so if one is dead shorted, it will kill the signal to the bank it is on. I still can't believe the car starts on only 3 cylinders if your testing is correct and you have 3 that make no change to the way the engine runs.
__________________
Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#5
10-24-2007, 11:11 PM
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Re: 3.3 buick century
I dont think that they are shorted I think they are pluged. Mu 3.1 1992 firebird had two bad injectors and still ran.
I have a spare set of injectors I am going to swap out this weekend the three that are not working and see what happens. WIll keep you posted. Last edited by kurfbird; 10-25-2007 at 08:05 AM.
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#6
10-26-2007, 03:43 AM
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Re: 3.3 buick century
Okay I did swapa the injectors and they replacement injectors do not work also. So I swap the # 1 injector to #5 postion. And trhen the new #1 injhctor worked but # 5 did not. What the heck. Can this be because the computer was disconected.
It has the same symptons. I am sedriously thinking about junk this POS and finding another car.
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