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ES-350 Engine Tapping Noise

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Donnie61
4/4/2007 10:36:28 AM
I get a tapping noise from the engine when I first start my car. The noise will go away
after the car warms up about 5 minutes. The noise is pronouced during acceleration.
Does anyone know what this is? On cars I had years ago this was considered a valve
tap noise and it usually meant low oil or a weak oil pump.
lexustek
5/19/2007 5:23:03 AM
There are two possibilities.
 
First, your high pressure fuel delivery system is making a little noise.  This is normal for that model.
 
Second, you may have an mechanical engine issue.  Contact your Lexus dealer for this one!
I_DO_NOT_OWN_A_LEXUS
10/31/2007 10:23:02 AM
NO NEED TO CONTACT LEXUS, ITS THE INJECTORS, THEY ARE PUMPING AT APPROX 5000 PSI. THE NOISE DECREASES ON A WARM MOTOR.
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