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.
What does 0 psi fuel pressure test mean?
CASE 2: You got 0 psi fuel pressure. This test result lets you know that the fuel pump is defective and is causing the engine to not start. Before you replace the fuel pump, make sure that the fuel pump relay and fuel pump fuse are supplying power to the fuel pump when the engine is being cranked.
How to test the fuel pump in a GM 3.8L?
In all of the GM 3.8L V6 equipped vehicles, GM was kind enough to put a Schrader valve on the fuel injector rail where you can tap into the fuel system and check its performance with a fuel pressure test gauge. A fuel pressure gauge can cost you as little as $40 (US) or as much as $200 (US).
Where is the fuel pressure gauge on a Chrysler 2L?
Connect the fuel pressure gauge to the Schrader valve on the fuel rail. When ready, ask your helper to crank the engine while you observe the fuel pressure tester’s gauge. 1.) The fuel pressure gauge will register 35 PSI, or
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.
In all of the GM 3.8L V6 equipped vehicles, GM was kind enough to put a Schrader valve on the fuel injector rail where you can tap into the fuel system and check its performance with a fuel pressure test gauge. A fuel pressure gauge can cost you as little as $40 (US) or as much as $200 (US).
Connect the fuel pressure gauge to the Schrader valve on the fuel rail. When ready, ask your helper to crank the engine while you observe the fuel pressure tester’s gauge. 1.) The fuel pressure gauge will register 35 PSI, or
What does 0 psi mean on fuel pump?
The fuel pressure gauge will register 0 PSI. OK, let’s analyze your test results: CASE 1: If the fuel pressure gauge registered 0 PSI. This confirms that the cause of your 3.8L equipped GM car or mini-van is caused by a lack of fuel.