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How can i get wiring diagrame for ECU and injector supply?

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09 Chrysler 300c hemi. What is the voltage at coil connector cylinder number 7? Getting code p2320 coil is good..


You can usually connect fuel injector harness by length of wiring connection at the injector. I strongly recommend the purchase of a Chilton or Haynes manual for this vehicle. The Code you have maybe a stored fault from a prior event. Stored faults must be deleted in order to view current status of ODBII (ECU). The manuals have wiring diagrams as well as a list of the fault codes.

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Do you know how to test ecu computer circuits ? May have damaged the computer internally . For most make vehicles sold in US you can find free wiring diagrams at http://www.bbbind.com/free_tsb.html Then watch videos like this ECM Inputs and Outputs Diagnosis Also check out videos on wiring diagram reading .

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Which sensors tell the ECU to send a pulse to the single TBI injector?


You want a simple answer but there is not one. The ECU looks at many things to determine what (if any) pulse is proper. Any sensor which sends no information or info outside of normal limits can prevent pulse. No info from crank/cam sensor is common issue, Bad EFI fuse or relay can do this. Bad ECU ground or other ground (Fuel rail) can do this. Many sensors can be tested with ohm meter.

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94 ford mustang 3.8 engine why is no. 5 cylendre running too rich


How do you know #5 is running rich? error codes tell you that? I doubt it. But if you are sure, check the connections and the wire all the way back to the Ecu. my wild guess, the control is shorted to a positive supply and therefore the injector thinks it is supposed to supply wide open fuel. Or you have a bad ecu that is telling it the same thing.

Mar 21, 2015 | 1994 Ford Mustang

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WHAT WOULD CAUSE NO INJECTOR PULSE 1999 SUB 2.2L LEGACY L


Seems as though you have a wiring problem if your injectors have no ground.

I suggest you check the wiring diagram to see how the injectors are grounded. If they are grounded by a common point on engine or chassis repairing or duplicating it should be straightforward but more complicated if both the injector pulse and the ground are provided by the ECU.

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How do I know why my fuel won't get into injetors?How do I get a diagram for wiring from fuel tank to fuel injetors?


Hello Monica, that is a wide area to cover ,so you can go to auto zone site and log in (its all free) go to (my vehicle)in put info then go to (repair guide) then to sub catagorys there are a few including trouble shooting. check pressure regulater and or vacuum supply to it as well, you should have a test port next to it or near, test it with a pressure gauge to see ,pressure should be 35+ pounds . i really hope this helps you ,if it does please let me know
Woody

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Toyata cressida 2 8i 6 cylinder fuel injectors wiring diagram. the injector are not getting enough power


Probably a fused circuit, so first check the fuse. Check all fuses as a precaution. The ecu would be pulsing the injectors.

May 14, 2013 | Cars & Trucks

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I have an esteem 1999 2 injectors aren't getting electricity from the ecu spark plugs are all hot w 3-4 inj. working properly but why would this happen


Don't know. Either a malfunction internally in the ecu, or bad wires from ecu to injectors. You could pull off the ecu connector and check for continuity on the wires from ecu to the two injectors. If the power.wires are not broken and show low resistance, check both ground wires from the two injectors to ecu for continuity. If the wires are good, it must be the ecu.

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The fule injector is not getting any power is there any thing in betwin the ECU and the injector? 1992 suzuki sidekick 1.6 EFI 8V


most fuel injectors have a continuous power supply with the key on. they are controlled on the ground side by the ecm. there is no relay or anything between the ecu and the injectors. there is a lot of wiring though and there are fuses which supply power to the injectors.

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