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Old 09-09-2010, 09:42 PM
Papa George Papa George is offline
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Re: P1494 LDP failure

Quote:
Originally Posted by SilvrEclipse View Post
What does it do? I cant think of anything that vac like runs to but the EGR valve. is that what your talking about?
The LDP or Leak detection pump uses vacuum from the intake and regulates the vacuum in the EVAP canister to pull fuel fumes from the gas tank and send them into the intake to be burnt.

it draws a vacuum on the fuel system and checks it for leaks
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