Where is the fuel pressure regulator on a 3800pro?
It is barely spec for the 98, but out of spec for the 05. The fuel pressure regulator attaches to the fuel module assembly. The fuel pressure regulator is a diaphragm-operated relief valve. A software bias compensates the injector on-time because the fuel pressure regulator is not referenced to manifold vacuum.
Where is the fuel pump fuse on a 3800?
The fuel-injected, 3800 V6 has a fuel-pressure regulator mounted on the fuel rail. The regulator in non-adjustable and must be replaced as a unit. Remove the gas cap to relieve the fuel pressure. Remove the fuel pump fuse. On early 3800 models, the fuse is located in the fuse panel on the left side of the instrument panel and marked “FP.”
What should the fuel pressure be on a Chevy 3800?
If a 6.0L is idling at 4 to 5 gm/sec it has an intake leak or a bad MAF. It should be between 6 and 8.5 gm/sec. Leaving the Caddy dealer and going to the Chevy dealer I got my hand back on 3800 almost daily.
Where do you run the fuel regulator on a street strip?
In a street/strip application we recommend running the feed line directly to the carburetors fuel log then placing the regulator on the return line side of your fuel log. This allows the fuel to flow unrestricted to your carburetor, but still regulates the pressure and returns the unused fuel back into the gas tank.
Where is the fuel regulator on a Chevy 3800?
The 3800 was introduced after the 3.8L and uses a balance shaft to enhance engine smoothness. The 3800 is not unique to any single General Motors brand; it is found in all GM offerings: Chevrolet, Buick, Pontiac, Oldsmobile and Cadillac. The fuel-injected, 3800 V6 has a fuel-pressure regulator mounted on the fuel rail.
How to remove and install fuel pressure regulator?
A check of the fuel pressure regulator, as well as the removal and installation process is demonstrated in this video. Buy this part here: This regulator automatically cuts off the flow of fluid in the event pressures reach a certain threshold. MattHumanPizza is not responsible for anything anybody does to their vehicular transportation. Loading…
What’s the stock fuel pressure on a 3800pro?
A plugged fuel filter, or a restricted fuel line can prevent adequate amounts of fuel from being supplied during the power enrichment mode. I’ll check on the P1171. With stock fuel injector flow settings this car is lean, LTFT’s railed at +16.4% (they won’t go higher than that for some reason, they peg there), and STFT’s are in the +3-5% average.
What’s the fuel pressure on a 98 MC 3800?
So looked at a 98 MC 3800 yesterday and fuel pressure was at 40 psi KOER and 50 psi KOEO. So being the parts book said they had the same reg on the PAU and MC Z34, figured the reg was bad.