1991 Chevrolet Lumina "check injector pulse" Questions

check the help links mentioned below. Click the link below to go through the troubleshooting procedure :---- No pulse to injectors? http://technoanswers.blogspot.com/2012/01/no-pulse-to-injectors

crank no start with spark and fuel after replacing intake manifold gasket Make sure the injectors are getting pulse,if they are not,check the harness to the injectors.

...If you check the supply to the injectors, disconnect ALL of them at once. You should have power to only one wire at each injector plug. If no power is present, check the fuel system relays and

...injector pulse. The purple wire with white tracer carries rpm signal from ignition module to pcm, that wire has dc pulse, engine cranking. If nothing there, have to check ignition module. How long ...

...position. If the test shows no hot wire at the injector connectors then check fuses marked ECM1 and ECM2 in the under-hood fuse block. If they are popped then you have a shorted harness or

...at the motor Check for spark or injector pulse Spark Plugs been in the motor more than 3 years, regardless of mileage ? Change them Battery any good ? Use the correct fuel,not a higher octane

...injector, use a test light? Engine cranking do you have spark at the spark plugs? I'm just trying to see if you have more than one problem? I don't know how much testing you have done? Is there a ...

...injector pulse. Be sure to check the injectors for a short. I found #1 injector bad when I disconnected the harness from it and the engine fired up. An ohms check verified the short, should be about ...

...misfire and tpc which I replaced also. This is on a 97 3.1 Lumina before you replace injector , check compression in that cyl. Also check for pulse signal at connector while cranking the

...any ideas possibly injectors any way i could posssibly check the injectrs check for injector pulse with a NOID light my first thought is crank sensor or pcm that year of lumina is bad for both ...