Why does my oil gauge rise when I accelerate?
Hi There, This is completely normal for the oil pressure to increase when accelerating. The oil pressure inside the motor increases as the motor works harder. If the fluctuation is extremely erratic, you may have a faulty oil pressure sensor which may also be the cause if it fluctuates too much.
When does GMC Yukon engine hesitate during acceleration inspection?
GMC Yukon Engine hesitates during acceleration Inspection at your home or office. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM.
What should the fuel pressure be on a Chevy Silverado?
If you want to save some bucks on this purchase take a look at my recommendations here: Where To Buy A Fuel Pressure Test Gauge. FUEL PRESSURE SPECIFICATION: The fuel pressure specification for the 1999-2006 4.8L, 5.3L, 6.0L Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL) is 55 to 62 PSI. Flex fuel engines: 48-54 PSI.
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.
Why does my Toyota Tacoma hesitate to accelerate?
If this mixture is thrown off in any way, it may result in an engine running too lean (not enough air), or too rich (not enough fuel). An engine that is hesitating to accelerate is most likely dealing with a fuel/air mixture that is too lean.
How much does a GMC Sierra engine hesitate during acceleration?
Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. Our certified mobile mechanics can come to you now. GMC Sierra 1500 HD Engine hesitates during acceleration Inspection costs $89 on average.
What are the symptoms of low intake manifold pressure?
Hydrocarbons and carbon monoxide are some of the chemical components of smog. 2. Lack of power A MAP sensor that measures low intake manifold pressure indicates low engine load to the PCM. The PCM responds by reducing the amount of fuel being injected into the engine.
What happens if your manifold pressure sensor is bad?
A bad manifold absolute pressure (MAP) sensor can upset fuel delivery and ignition timing. Depending on your vehicle model, your engine might experience one or more of these performance problems:
If this mixture is thrown off in any way, it may result in an engine running too lean (not enough air), or too rich (not enough fuel). An engine that is hesitating to accelerate is most likely dealing with a fuel/air mixture that is too lean.