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My 2001 e430 has a misfire code on cylinder1 and another code 201 for open circuit on cylinder 1. I need help in diagnosing this problem. My first instinct would be 1)bad injector solenoid or 2) bad injector wiring to the injector solenoid. How would i go about doing this? Thnks
 

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w163 02 ML500 W210 97 E50Amg w202 99 C230K w124 - need more space, time to build again
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My 2001 e430 has a misfire code on cylinder1 and another code 201 for open circuit on cylinder 1. I need help in diagnosing this problem. My first instinct would be 1)bad injector solenoid or 2) bad injector wiring to the injector solenoid. How would i go about doing this? Thnks
Welcome silvermb113, :)

I would first check the injector wiring:
  1. Turn the key to the ON position without starting the engine
  2. Connect a test light to the negative terminal on the battery
  3. Locate the two wires going into each injector
  4. Test the wire for voltage
More info here.
 
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