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EFI fuel injector question

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Old Sep 15, 2007 | 11:25 PM
  #1  
Saber123316's Avatar
Saber123316
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EFI fuel injector question

When operating and the hood up I here a slight ticking noise when it idles, my father says thats the injectors is he right? its a very slight very rapid ticking.
 
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Old Sep 16, 2007 | 06:39 AM
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that is the injectors.

helps to say a little more about the truck you are asking about.
 
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Old Sep 16, 2007 | 09:58 AM
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Or it could be lifters.
 
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Old Sep 16, 2007 | 10:12 AM
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quicklook2
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or it could be an exhaust leak.

or a disconnected plug wire.

or an arcing plug wire.

but it is probably the injectors.

use a 5' length of heater hose to listen to the area around the injectors, or the valve covers, or the exhaust manifolds.
 

Last edited by quicklook2; Sep 16, 2007 at 10:31 AM.
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