Question about 1992 Chevrolet Lumina APV
Check the vacuum line to the fuel pressure regulator and the fuel pressure regulator. You can check the regulator by disconnecting the vacuum line and see if there is any change, but the best way to check is to go lone out a vacuum line pump and connect it to the regulator. The fuel pressure regulator is on the fuel injector rail by the throttle body. If you go to Auto Zone they can lone out the vacuum pump and give you step by step instructions to checking the regulator. Good luck and hope this helps and have them scan the car since it's free of charge to scan there. Good luck and keep me posted, be glad to help.
Posted on Jul 02, 2009
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Posted on Jan 02, 2017
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