Q: Is there a way to test fuel injectors when the intake is pulled? on 1991 Plymouth Acclaim

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I pulled the intake to replace the coolant crossover pipe. While I have the intake out I would like to know if the fuel injectors are all good. The engine was often having symptoms of bad or plugged injectors.
(1) Answer
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You can check the resistance of the fuel injectors to see it the solenoid coils are within spec. You can get the resistance values from your dealership or vehicle Service manual. There is no way to check the mechanical function of the injector with absolute certainty. The injectors on your vehicle were known to "leak" causing hard starting and rich running conditions.
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