01 Land Cruiser - Turns over but won't start?

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violetgirl78

violetgirl78

Joined
Jul 11, 2010
Threads
2
Messages
10
Hi Guys!

I own a 2001 Land Cruiser... it keeps having this issue where it starts for weeks and then out of the blue it won't start. When you turn the key it turns over but you can't hear the fuel pump running, like it's not getting fuel. My fiance replace the EFI Relay and the fuel pump, and the fuel pump control module ECM/ECU, and it has a new battery? We've also reset the fuel cut off on the driver's side of the car multiple times.

It's such a random issue, you never know when it's going to happen. I'm so sick and tired of continually being stranded.

I have taken the truck to Toyota 4 times, they had it for a total of over 6 weeks but still can't figure out what is wrong with it.

I'm about ready to drive this car off a cliff... HELP! :)

Thanks in advance.
 
Do you know if any trouble codes were being found on OBD II port?

Maybe Lextech will chime in here....but things I would check would be

1. Electronic ignition module
2. Anti Theft security device not working properly
 
What fixes it, so it runs again, or is it just after a random time it works again?
 
....or maybe junk in the fuel tank but you would not think it would be full of debris being a 2001.
 
When the pump was replaced was the pump wiring connector checked, have been known to corrode.
 
Tank is clean. Battery is tight. Connections at fuel pump are all new.
I did ask Toyota to check the key. They said it was fine.. I do have a feeling though that it might be the issue. It's the only key we have, never been replaced.
Any other ideas?
 
violetgirl78 said:
Tank is clean. Battery is tight. Connections at fuel pump are all new.
I did ask Toyota to check the key. They said it was fine.. I do have a feeling though that it might be the issue. It's the only key we have, never been replaced.
Any other ideas?
Click to expand...

I would start off with a spare key today...If you think you are unhappy now, loose your only key and you will be really-really unhappy and MAD!
 
LandCruiserPhil said:
I would start off with a spare key today...If you think you are unhappy now, loose your only key and you will be really-really unhappy and MAD!
Click to expand...

Nothing like putting the old billfold on a Kate Moss-like diet :D
 
LOL about losing the key. I've only had one key for 5 years now, is that terrible?

About the codes, nothing comes up.
 
I think the point is the circuits in the key may be going bad, so a new key might fix it.
 
You know what, I am going to try that tomorrow. I will let you know what happens, THANKS!
 
violetgirl78 said:
LOL about losing the key. I've only had one key for 5 years now, is that terrible?

About the codes, nothing comes up.
Click to expand...


Its terrible when you find out it could cost you ~$3000 American dollars to get a replacement. Ask your dealer about it when you go get your replacement key and I hope the key you have is a master.
 
violetgirl78 said:
LOL about losing the key. I've only had one key for 5 years now, is that terrible?

About the codes, nothing comes up.
Click to expand...

Could it possibly be a weak key battery?
 
spressomon said:
Could it possibly be a weak key battery?
Click to expand...

Battery is for the doors/alarm only. Transponder does not use a battery.

When an attempt to start the vehicle is made, the interrogator sends a burst of Radio Frequency (RF) energy - at a defined frequency - to an antenna which usually surrounds the face of the ignition cylinder. As the transponder contains a tuned circuit matched to the frequency of the RF burst, a small voltage is generated by induction within the transponder chip.
 
Good to know. Being electronically challenged I wonder how the small charge is generated without a battery or power source of some kind?
 
It comes from the RF, any antenna receiving RF has voltages induced in it. Just that we don't think of it as energy since it is so small that in receivers we have to amplify the signal to use it. But with today's circuits requiring so little power we can actually use it to power a device.
 
Skidoo said:
It comes from the RF, any antenna receiving RF has voltages induced in it. Just that we don't think of it as energy since it is so small that in receivers we have to amplify the signal to use it. But with today's circuits requiring so little power we can actually use it to power a device.
Click to expand...

Thanks for the explanation!
 
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