How can i tell if the fuel injector is dead?

Asked by Jun 26, 2009 at 04:14 PM about the 2000 Ford Taurus SES

Question type: Maintenance & Repair

My car is misfiring on cylinder 1, and I need to know how can I tell wether the fuel injector is dead or if I need to get it cleaned can anyone help me.. please?
It is a 2000 Ford taurus 3.0L 6 cylinder flex fuel car.

2 Answers

115

plug in a noid light, see if its getting a signal. If so, listen for the injector opening and closing with a stethoscope, if it isn't, replace it. This could also be an ignition problem, or low compression on that cylinder.

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1,255

make sure the fuel injector has power when the car is running, and check the other wire for ground ( a flashing ground when running, as this is controlled by the computer) If no ground , then problem may be in wire , or the computer driver for that injector. Listen for any drop in rpm when unplugging the suspect injector, it will make the car run noticeably rougher if it is ok, if no drop in rpm, that is the cylinder to look at. Make sure there is a good spark to that cylinder, and no vacuum leaks around that cylinder area.

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