Question about Cars & Trucks
Injectors fire when grounded. The power should be constant.
However, if its not turning over and just cranking, make sure your injectors and plugs are connected to the right cylinder. Also, check your plugs for moisture after cranking. If the plugs are wet, then that cylinder isn't firing. If they are dry and hot, maybe they aren't getting any fuel. Has the car sat for a while? When was the last time it started?
Posted on Nov 28, 2014
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Posted on Jan 02, 2017
SOURCE: 1991 oldsmobile cutlass supreme
Check for fuses/power/ground to the engine computer (or injector drive computer) whatever the case is.
Spark, fuel pump, and starter all are independant of the fuel injection computer.
Either the computer itself has gone bad, or it is not receiving power or ground, or wiring to the injectors might be bad...
Posted on Aug 28, 2008
SOURCE: no injection pulse
looking at the schematics, well the PCM controls the pulse width to the injectors , BUT , there is a injector coil fuse , its #2 in your kick panel fuse box , a 20 amp , check it , sure hope that fix ya . that would be sweet .
Posted on Jan 15, 2009
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