Question about 1997 Oldsmobile Achieva
The regulator has a rubber o-ring that seals it to the fuel rail, It can also be a defective diaphram inside the regulator.I would suggest that you replace the regulator.
Posted on Feb 03, 2010
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Posted on Jan 02, 2017
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Oct 28, 2015 | Cars & Trucks
May 01, 2015 | Cars & Trucks
Removal & Installation The need to work as cleanly as possible cannot be over-emphasized. Even the smallest amount of dirt, if allowed into the fuel pressure regulator and/or the fuel rail, will find its way to the fuel injectors. The nozzle openings of the injectors are very small. Keep hands and tools clean. Clean the areas to be disconnected with a suitable solvent. Carefully cover open fittings and connections to keep out foreign material. Dirt in the injectors almost guarantees a clogged fuel injector and engine performance problems.
3.4L (VIN E) Engines
Fig. Exploded view of the fuel pressure regulator mounting-3.4L (VIN E) engines
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