Re: OT, Chevy Lumina up and died!

Posted by bradk on April 28, 2006 at 05:53:16 from (209.240.224.217):

In Reply to: OT, Chevy Lumina up and died! posted by 1991 Lumina 3.1 on April 28, 2006 at 05:17:12:

First of all you're going about this the wrong way.Guessing what's wrong with your car gets too expensive.Fuel pumps in "W" bodies don't fail very often,and MAP sensors hardly ever go bad.
The big three on this car is fuel injectors,crank sensors,and like Allan in NE mentioned ignition module.From what you described,the injectors are to blame.
There's an easy way to test the injectors without removing the upper intake plenum.Locate the electrical connectors at the front of ECM(pass side eng.compartment).Unplug black 10 wire connector,and with a good ohm-meter,measure (on the male end) the resistance from the lt blue to black w/red tracer,and the lt green to pink w/black tracer.You should have no less than 4 ohms.If you do have less,then the plenum needs to come up and measure each injector separately.Each injector should be no less than 12 ohms.Let us know if quetions.~brad

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