What Does P0201 Code Mean?
Fault Code Definition
The Powertrain Control Module (PCM) uses special transistors—called "drivers"—to turn the Fuel Injectors on and off in the Fuel Injection System. Code P0201 indicates a problem in the operation of the #1 Fuel Injector Circuit.
P0201 Symptoms
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Check Engine Light will illuminate
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In some cases, the engine will misfire and have a rough idle
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In some cases, the vehicle will get poor fuel economy
Common Problems That Trigger the P0201 Code
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Defective Fuel Injector
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Faulty or corroded Fuel Injector, wiring, and/or connections
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Plugged Fuel Injector
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Dirt in the Fuel Injector
Common Misdiagnosis
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Fuel Injector or PCM is replaced when the problem is in the wiring and connections