Question about 2000 Volkswagen Beetle

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Engine light is staying on dealer says it is the secondary injector pump what is the purpose of this pump and could it possibly be that?

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The first pump is normally to get the fuel from the tank to the engine
the secondary pump boosts the fuel pressure to the injector,s so the fuel can be sprayed into the engine cylinders through the injectors
yes the light can be connected to this item through a fuel pressure sensor ,when the computer senses the pressure is low it will bring the light on ,then you have to taske it to the dealer to get it checked out

Posted on Sep 17, 2010

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I replaced my secondary air check valve on my 2001 chevy tahoe but code 1416 still comes up. what else can i check


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P1416 Chevrolet
P1416 Chevrolet - Secondary Air Injection System Bank 2
Possible causes
- Faulty Secondary Air Injection (AIR) pump
- Secondary Air Injection check valve bank 2
- Secondary Air Injection (AIR) pump electrical circuit fault
- Blocked Secondary Air Injection (AIR) system

When is the code detected?

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P1416 Chevrolet Description
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My 2004 Envoy check engine light stays on. I am told by the GM dealer that I need a secondary air pump and emission valve, cost about $825. Is it necessary to make these repairs and will anything be harmed...


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16795/P0411/001041


if (window.showTocToggle) { var tocShowText = "show"; var tocHideText = "hide"; showTocToggle(); } 16795/P0411/001041 - Secondary Air Injection System: Incorrect Flow Detected Possible Symptoms
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Possible Causes
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  • Hoses/Pipes to/between Components faulty/clogged
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Possible Solutions
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    • Check Secondary Air Injection Hoses/Pipes for Carbonization
  • Check Secondary Air Injection Pump (V101)
  • Check Secondary Air Injection Pump Relay (J299)
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