Fuel Pressure Regulator
06-02-2016, 01:18 AM
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Car: 91 Firebird
Engine: 3.1L 6cyl
Fuel Pressure Regulator
Can you replace the fuel pressure regulator on a 1991 Pontiac Firebird 3.1 base model without having to replace the entire fuel rail?
06-02-2016, 03:19 AM
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Car: 91 Firebird
Engine: 3.1L 6cyl
Re: Fuel Pressure Regulator
Never mind, I have read on a bunch of sites and in the Haynes and Chilton's manuals that you cant. Looks like Im hitting up Pic-a-part and praying they have one that works better than mine.
06-02-2016, 01:13 PM
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Car: 91 Firebird
Engine: 3.1L 6cyl
Re: Fuel Pressure Regulator
Really? Great! How would I go about doing that. Everything I have read says that you have to replace the entire rail because it is all one piece.
06-02-2016, 08:49 PM
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Transmission: check
Re: Fuel Pressure Regulator
It has been a while, but basically, need to remove the plenum. I leave the cables attached to the TB and rotate the whole works forward.
The FPR has the 'safety screws' (Torx) to attach it. Can either purchase a safety bit, or drill a hole in a regular bit, or knock off the little 'stubs' with a hammer and punch.
Remove the FPR screws a little at a time. It may spew some fuel out if there is pressure.
Remove the FPR can, diaphragm and spring. Install new spring and diaphragm, install screws.
RBob.
The FPR has the 'safety screws' (Torx) to attach it. Can either purchase a safety bit, or drill a hole in a regular bit, or knock off the little 'stubs' with a hammer and punch.
Remove the FPR screws a little at a time. It may spew some fuel out if there is pressure.
Remove the FPR can, diaphragm and spring. Install new spring and diaphragm, install screws.
RBob.
06-03-2016, 01:40 AM
#6
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Car: 91 Firebird
Engine: 3.1L 6cyl
Re: Fuel Pressure Regulator
It has been a while, but basically, need to remove the plenum. I leave the cables attached to the TB and rotate the whole works forward.
The FPR has the 'safety screws' (Torx) to attach it. Can either purchase a safety bit, or drill a hole in a regular bit, or knock off the little 'stubs' with a hammer and punch.
Remove the FPR screws a little at a time. It may spew some fuel out if there is pressure.
Remove the FPR can, diaphragm and spring. Install new spring and diaphragm, install screws.
RBob.
The FPR has the 'safety screws' (Torx) to attach it. Can either purchase a safety bit, or drill a hole in a regular bit, or knock off the little 'stubs' with a hammer and punch.
Remove the FPR screws a little at a time. It may spew some fuel out if there is pressure.
Remove the FPR can, diaphragm and spring. Install new spring and diaphragm, install screws.
RBob.
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