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Pragueress
Pragueress, ASE Certified Technician
Category: Car
Satisfied Customers: 744
Experience:  ASE certified technician; former ASE master Technician; Automotive instructor
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A metallic tapping noise on startup and at idle seems to go..rev

Resolved Question:

have a metallic tapping noise on startup and at idle seems to go away with rev increase
Submitted: 8 years ago.
Category: Car
Expert:  Pragueress replied 8 years ago.

Can you give some information such as

  • Make
  • year
  • Model
  • Mileage
  • any recent service
Customer: replied 8 years ago.

02 Mazda Millenia

2.5L DOHC V6

142,000 miles

Expert:  Pragueress replied 8 years ago.

Have you measured oil pressure? When a noise like this goes away athigher revs I suspect an oilpressure problem, especially on a high mileage engine

 

Measure oil pressure and lets see what happens

 

Please hit the accept button if this has helped

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