Q: Engine cranks but wont run. Power not reaching fuel pump

asked by on

I have a 2000 toyota avensis engine= 1.6 4afe that me and my brother mess about in. It was left sitting for 2 months with very little petrol. Last week i connected the battery and it started. I then turned it off, Quarter filled it with fuel and tried to start it again with no luck. I have tested the fuel pump on its own and it works. But i cannot get it to run when turning the key.i think it is a relay problem . What do you think is the problem ?

My car has a manual transmission.

This sounds like you may not have any power going to the fuel pump relay. The relay wires should have ground on two wires, power on one wire and switched power on another wire. To activate the fuel pump your ECU actually connects one of the ground wires to complete the circuit and send power to the fuel pump. If the wires all have power running through them, then it is likely you have a faulty relay. The wire coming from the fuel pump is the other ground wire. I would recommend having an expert from YourMechanic come to your location to diagnose your wiring as this can be very difficult and time consuming without the proper wiring diagram.

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. Engine cranks but wont run. Power not reaching fuel pump

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: radio only works sometimes

You have an intermittent "open" in the circuit somewhere. The possibilities range from a faulty volume control function on the radio to a loose connection at the back of the radio to the speaker outputs. If you desire a diagnostic...

Q: Fuel pump relay location on a 96 Ford Thunderbird.

Hi there. The fuel pump relay is located on the fuse box, the second relay on the bottom near the locking tab. The location port is C1051 for the fuel pump relay. If you need further assistance with the fuel...

Q: Odometer has lines, won't start unless I put fuel in the intake. The fuel pump keeps running and doesn't shut off? Seems like the truck wants to start.

Hi there. From the description you have provided, you've replaced the fuel pressure regulator, the fuel pump never shuts off and puts fuel in the throttle body, it runs until the fuel is gone, and the odometer has lines instead...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...