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Registered User
Name: marcus
fault code 1540
Ran a diagnostics . code 1540 shows up which is air bypass malfunction .
ive checked all air pipes..is there something that's a usual issue to look for or any ideas ?
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Registered User
Name: Jim
fault code 1540
Actuator itself bad?
Edit
Search on the internet is showing a circuit malfunction.
Air Bypass Valve Circuit Malfunction.
So the solenoid is bad more than likely or broken wire
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Registered User
Name: marcus
do you mean the ICV ?? it idles smoothly although when cold it idles low . when warm its fine
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Registered User
Name: Jim
No, there’s a solenoid that actuates the bypass valve. if I remember correctly it’s right above it. That code probably is pointing to an open circuit
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Registered User
Name: marcus
Thanks dude.. figured it out. Wire broken just as it enters the plug. All fixed now idles a treat.. thanks.
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