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1988 rx7 na dieing and can't figure out why

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Old 01-09-17, 11:17 PM
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something isn't adding up, if you got an audible click from the primary injectors, you cleaned the engine harness ground and the fuel pressure is ok then the car should run. i suggest testing the injectors manually by doing the spray pattern test from the FSM while triggering them with the CAS removed.
Old 01-10-17, 07:04 AM
  #52  
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I still say fuel filter.
Old 01-10-17, 08:59 AM
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Originally Posted by RotaryEvolution
something isn't adding up, if you got an audible click from the primary injectors, you cleaned the engine harness ground and the fuel pressure is ok then the car should run. i suggest testing the injectors manually by doing the spray pattern test from the FSM while triggering them with the CAS removed.
I will try that but if the cas was bad then wouldn't there be no spark ?
Old 01-10-17, 09:08 AM
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Originally Posted by Peszczyn1
I will try that but if the cas was bad then wouldn't there be no spark ?
He's not suggesting that the CAS is bad. What is being suggested is that the CAS is removed, but still plugged in, and w/key to on the CAS wheel is spun by hand, and it will trigger the primary injectors (this is done w/the coils disabled).
Old 01-10-17, 10:23 AM
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Originally Posted by satch
He's not suggesting that the CAS is bad. What is being suggested is that the CAS is removed, but still plugged in, and w/key to on the CAS wheel is spun by hand, and it will trigger the primary injectors (this is done w/the coils disabled).
OK I will do that when I get off work
Old 01-10-17, 07:11 PM
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So I pulled the cas out and spun it and I could hear both injectors clicking so then I turned the fuel pump on and spun it to see if I could hear it spray fuel and I couldn't so the injectors have to be clogged right ?
Old 01-10-17, 07:46 PM
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How would you hear the injectors spray?
Old 01-10-17, 07:57 PM
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Thought it was worth a shot but now that I know they are firing for sure and my plugs are still dry then I guess they are plugged up
Old 01-11-17, 09:27 AM
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Relieve pressure and pull the primary rail. Zip-tie or wire tie the injectors to the rail. Turn the car over. Watch for spray.
Old 01-11-17, 10:02 AM
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Ya I will . I just have to get the intake manifold off . One of my friends had a theory that the car would die because things would block the injectors and then when I would turn the key off and the fuel pump would shut of and relieve pressure and whatever was blocking the injector would float back into the rail and now whatever it is is just stuck in the injectors and I'm thinking that'd what it is
Old 01-11-17, 11:07 AM
  #61  
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i have never seen an injector actually actuate and not spray, but that is not to say your inlet filters aren't clogged somehow by debris. i just find this one a bit far fetched since the car was running prior to this?

anyways, next step is to remove the injectors, a physical spray pattern test as in the FSM would shed some light on it too.
Old 01-11-17, 11:49 AM
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Ya I should hopefully be taking them out tonight
Old 01-11-17, 11:11 PM
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The injectors where completely clogged and now I just have to get the timing right tomorrow when I can pick up a light
Old 01-11-17, 11:32 PM
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welp, you better flush out the fuel feed line and change your filter then, your fuel filter might have disintegrated.

if so, score one for Fuhnortoner.
Old 01-12-17, 07:52 AM
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Originally Posted by RotaryEvolution
welp, you better flush out the fuel feed line and change your filter then, your fuel filter might have disintegrated.

if so, score one for Fuhnortoner.
Finally! Only need 999 more points to catch up to you.
Old 01-12-17, 11:34 AM
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lol
Old 01-14-17, 07:34 AM
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I think my exhaust Pipe is clogged...I haven't pooped in 3 days..any suggestions Dr. Fuhnortoner?...(hahahhahaha..!!!!!!!!!!!)
Old 01-14-17, 12:24 PM
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Pipe cleaner?







Just a thought...
Old 01-16-17, 07:21 AM
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Originally Posted by misterstyx69
I think my exhaust Pipe is clogged...I haven't pooped in 3 days..any suggestions Dr. Fuhnortoner?...(hahahhahaha..!!!!!!!!!!!)
Metamucil always worked for me. Lay off the cheese Styx!




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