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engine swap, now injectors arent firing

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DSMjrv

15+ Year Contributor
352
0
Dec 29, 2004
corona, California
well its getting fuel to the rail and its getting spark, however it wont run, i removed a spark plug and turned her over and no mist of gas shot out the spark plug hole... so the only thing keeping me it from running is that the fuel injectors arent firing.

the red black and yellow cas wired connect to the triangle plug and the white is tapped into the flat3 plug... the same connection that worked with the last motor... so im thinking cas wiring aint the problem here...

any ideas?

so the ecu is good for sure tested 2...
the mpi fuse is good...
the cas is good otherwise it would throw a code and i wouldnt be getting spark...

what would happen if the cas was 180 degrees off? i tried the car both ways and it doesnt start either way....

whats in between the ecu and injector plugs, ### i took a test light to the injector plug and im not getting anthing..
 
DSMjrv said:
whats in between the ecu and injector plugs, ### i took a test light to the injector plug and im not getting anthing..
Nothing in between but the injector resistors (about 6 ohms) are on the other side of the injectors to the MFI relay. You should have at least 12V from either injector wire to ground (but will read nothing across the injector - pulse is too short).
 
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