How can you tell if a fuel injector is dead or just needs desperate cleaning?

Asked by Jun 26, 2009 at 04:13 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

1,235

test injector harness for power to suspect injector, and check for flashing ground to injector when running , if all is good , you need to test for injector resistance ( ohms) to see if it is in specs. If all that looks good , you might need to run a strong cleaner through the injectors, esp if it has high mileage. Try using a high grade fuel with alcohol , as it has good cleaning qualities .

3 out of 3 people think this is helpful.
50

If your injector is dead your car wil have a permanent mis and will only run on 5 cylinders where if its dirty it would only miss from time to time.Just replace al 6 their not that expensive

5 out of 5 people think this is helpful.

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