Q: I have a new fuel pump and there is no fuel to the engine

asked by on

Replaced fuel pump and the relays still no fuel to the engine motor runs if I spray starting fluid in it could a bad fuel pressure regulator cause no fuel or clogged fuel filter

My car has 1730000 miles.
My car has an automatic transmission.

Hello and thank you for contacting YourMechanic. A plugged-up fuel filter will cause an engine not not start. Get a fuel pressure tester and hook it up to the fuel rail. There should be a shrader valve on the fuel rail that you can hook the tester up to. Turn on the key.

With the engine off and key on, there should be 45 to 60 PSI on the gauge. If there is nothing on the gauge, then check your connection to the shrader valve. You may need to remove the shrader part of the valve from the threaded tube. If there is still no pressure, then replace the fuel filter and retest.

If nothing after that, then the fuel pressure regulator is not working and needs replacing. If you get pressure to the rail, then there could be a problem with the injectors; they may be either dirty or plugged up. Take the injectors off the engine and clean them with CLR. This will clean the tips off and remove the gummy stuff inside the tiny holes. Wipe off the injectors and install them. If the engine still will not start, then the injectors need to be replaced.

If you need further diagnoses to your no start situation, then seek out a technician, such as one from YourMechanic, who can perform an inspection to determine why the car will not start.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. I have a new fuel pump and there is no fuel to the engine

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

Get a quote

What others are asking

Q: fuel pressure and map hose

Hello. The first thing that should be done is to retrieve codes. This is an OBD I system, so it is more difficult than the newer OBD II systems. Lacking any codes or scan tool data, I will have to...

Q: Car stalls when decelerating and/or going over bumps, especially speed bumps.

The most common cause of this intermittent stalling is due to a few potential problems. The most common faults would be: a wiring fault failing fuel pump an open or short in a sensor Intermittent issues can...

Q: Defrost button wont come on. Control power button doesnt work.

It seems like the defrost of the vehicle has an issue. There are several possibilities that could cause this. The control unit for the climate control system could be malfunctioning. The fuse for the rear defrost could be blown due...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...