Author Topic: 2004 Porsche Cayenne S Lifter tap??? PLEASE HELP  (Read 1338 times)

Offline Kashmoore313

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2004 Porsche Cayenne S Lifter tap??? PLEASE HELP
« on: March 19, 2016, 01:09:37 AM »
Ok I have an 04 Cayenne S non turbo with a tapping noise that sounds like its coming from the driver side of engine bay. It taps faster as engine accelerates then stops after 2000 rpms. I've played around with a few things to see if i could find the culprit. ive noticed that if i unplug the injector for cylinder 6 the tap goes away. but once i plug it back up it returns. I replaced a few lifters to see if i could get lucky and get rid of the tap but have been unsuccessful. i have not replaced all. just a few. Im wondering if the fuel injector could be the reason im hearing the tap or not. or if it could be something else. there is no CEL on and the engine performance is good. just the tap.  :D :D :D :D

Offline Justin Danger

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Re: 2004 Porsche Cayenne S Lifter tap??? PLEASE HELP
« Reply #1 on: March 25, 2016, 07:52:33 AM »
I think you solved your own problem.  If the noise goes away when you unplug the injector I would be 99% confident that's the source of your ticking sound. 

FCP Euro has them for $93. 
« Last Edit: March 25, 2016, 07:56:14 AM by Justin Danger »
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1987 BMW 535is with getrag 265/6 swap
2010 Tamiya 190e Evo2 R/C car <-Best car I own
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