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How do you know if your fuel injectors are bad in a 1990 Toyota Corolla?
Wiki User
∙ 16y ago
with the car running pull the injector harness off of each inj. if it changes the cars idle then you know that inj. is working - if it doesnt change than that inj is bad with the car running pull the injector harness off of each inj. if it changes the cars idle then you know that inj. is working - if it doesnt change than that inj is bad
Wiki User
∙ 16y ago
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