12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

P7100 return

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Old May 18, 2008 | 05:34 PM
  #1  
part time pulle's Avatar
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From: IN
P7100 return

Anyone just plug off their return line on the pump??
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Old May 18, 2008 | 05:45 PM
  #2  
infidel's Avatar
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From: Montana
Wouldn't be a good idea.
Even though the P pump is mostly oil lubed and cooled it's not entirely, excess return fuel is necessary to lube and cool.
Besides that the pressure could go way out of spec blowing out internal pump seals or even cracking the fuel filter open.
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Old May 18, 2008 | 09:13 PM
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From: Texas
Ditto! Would be very bad.
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