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.”
Where is the fuel pump on a Pontiac Grand Am?
Check in the engine compartment fuse box, it should be near the battery under the hood. The cover should be pretty easy to remove. The fuel pump should be connected through a fuse in slot 48. If that fuse looks good, then you may want to check the fuel pump relay (also inside the engine compartment fuse box).
Why is my fuel pump reset button not working?
Anything from factory security system locking you out, bad fuse/relay, clogged fuel filter,faulty fuel pump, oil sending unit/crank sensor failure, clogged catalytic converter, failing electronic ignition, ECM/PCM,etc.,etc. As a first step best to see if there are any stored trouble codes that could point directly to the fault.
How to replace the fuel regulator in a 3800 engine?
It is at the beginning of the rail, before the injectors. It is round and has a vacuum hose attached to the top and a metal fuel line on the bottom. Remove the vacuum line from the top of the regulator by pulling it off. Use two wrenches to remove the fuel line from the bottom of the regulator.
Why is my GM 3.8L fuel pump not working?
CASE 2: If the fuel pressure gauge registered 35 PSI. This fuel pressure gauge result lets you know that the fuel pump is working and delivering enough fuel to the fuel injectors. The reason your 3.8L GM vehicle is not starting is due to another reason.
When to replace fuel pump in Chevy Camaro?
It is not only easy, but will ensure your motor runs healthy for many more miles! This article applies to the Chevy Camaro and Pontiac Firebird (1998-2002). The OEM fuel pump is a durable unit that is known to last for a long time. However, when you start modifying your car or have high miles, you will have to replace your fuel pump.
What are the symptoms of a bad fuel pump?
Symptoms Of A Bad Fuel Pump. Which And Where To Buy A Fuel Pressure Gauge. FUEL PUMP TEST 1: Fuel Pressure Test With Gauge. FUEL PUMP TEST 2: Using Starting Fluid. More 3.8L V6 GM Tutorials. You can find this tutorial in Spanish here: Cómo Probar La Bomba de Combustible (GM 3.8L) (at: autotecnico-online.com ).
Why do I need to replace my fuel pump?
The fuel pump is responsible for pushing fuel from the fuel tank to the fuel lines, and eventually the engine’s combustion chamber. After thousands of miles of use and abuse, the fuel pump does not function as well as it did new, so it is best to replace it.