Q: No pressure in the fuel rail...help!

asked by on September 18, 2016

1989 on the outside but 1995 on the inside with upgrades and maintenance. New fuel pump and fuel filter. New pressure regulator. No pressure in the fuel rail. What could be the reason?
My car has an automatic transmission.

Hi there, thanks for writing in. Check to be sure you have power to the fuel pump. A common problem regarding this issue is a lack of power getting to the fuel pump. I have seen this happen where the crankshaft position sensor was faulty, therefore there was no power to the fuel pump or any spark produced to the coils. You should be able to follow the wire that goes to it through the bell housing of the transmission to the passenger side firewall. Hope this helps and good luck!

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

What others are asking

Cracked Windshield repair

You will need to have the crack checked by a professional glass company to inspect it and replace the windshield if they cannot repair it. Most small spider cracks can be repaired if they are less than the size of...

Starting problems - 2001 Ford Expedition

Hey there. You should have the fuel pressure checked to see if the pressure does not drop after you turn off the vehicle. If it does, then have the pressure regulator replaced for not holding pressure. If the pressure holds...

P0231 code coming on - reduced RPM and trembling with the AC on

Diagnostic Trouble Code P0231 relates to a problem with the wiring in the fuel pump circuit, although it is also possible to have a faulty fuel pump that draws too much current and creates a voltage drop in the circuit....

Car won't start up after changing injectors

Hi there. Thanks for contacting us tonight about your Jeep Grand Cherokee's starting problems. In most cases, sticking with the OEM replacement parts will produce the best results. This is especially true in regards to fuel pumps and fuel injectors....

I have a squeaking / chipping noise coming from under the jeep at 15 mph and when I slow down adding pressure to the brakes it sto

It is not uncommon to hear a chirping, or squeaking noise, coming from the brakes. Sometimes, it is just normal for the pads to make some noise, other times it can signal that it is time for the brake pads...

Jeep door will not open

If the door is not opening, then either the linkage has become disconnected or there is an issue with the door latch itself. The door panel will need to be removed so the linkage can be inspected. The latch may...

Fluctuating oil pressure - 1980 Jeep CJ5

The fluctuating oil pressure indicates an inadequate oil supply to the oil pump. It is possible that there may be some trash or sludge buildup on the pickup tube screen limiting the oil supply at the oil pump. An engine...

No fuel presure cranks no start, new pump and filter.

Hello. I would recommend checking your fuel filter. Fuel filters are designed to have a one way flow. If the fuel filter is installed backwards the fuel will not reach the engine. This will cause the fuel pump to run...

Misfires with scoring on inside of cylinder 1

Hello, I would not recommend that you replace only the head gasket, because of the scoring on the cylinder walls that will still remain. This could lead to a loss of compression over time and cause the engine to run...

Related articles

How to Buy a Good Quality Fuel Pump
Fuel Fuel is pumped from the gas tank up into the engine, and these handy little devices come in any number of shapes, sizes, and applications imaginable. Each of the three different key types of fuel pumps has a specific...
How Long Does a Fuel Pump Usually Last?
Fuel pumps are a simple and rugged part of the fuel system. They are usually found inside of the fuel tank and are...
Top Automotive News & Stories: October 1-7
BMW i5 images leak, an ultra-lux Jeep, hydrogen-fueled Colorado ZH2, Fisker's electric future, record plug-in sales, NHTSA Road to Zero, and more.