# fuel problems in the 240

**URL:** <https://forums.speedlife.net/t/fuel-problems-in-the-240/169337>\
**Category:** PittSpeed Automotive\
**Created:** [September 24, 2004, 8:50am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337 "2004-09-24T08:50:54Z")\
**Posts on this page:** 12\
**Page:** 2

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**Author:** ![imported\_gearhead](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/imported_gearhead/32/5957_2.png) [@imported\_gearhead](https://forums.speedlife.net/u/imported_gearhead)\
**Post date:** [September 27, 2004, 5:57am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/21 "2004-09-27T05:57:27Z")

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I dont know how the pump sits in the tank… but coudl it be possible if there is a cage or something it sits in that the pickup could be not seated or something like that?

I just had this problem in a saturn. The pump didn’t seat in its container thingy and ran out of fuel at a little over half tank. saturn definitly has a :ghey: fuel pump setup.

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**Author:** ![EclipseRST](https://avatars.discourse-cdn.com/v4/letter/e/49beb7/32.png) [@EclipseRST](https://forums.speedlife.net/u/EclipseRST)\
**Post date:** [September 28, 2004, 9:05pm UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/22 "2004-09-28T21:05:04Z")

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Have you tried to swap out the fuel filter? Might be clogged up…  
Checked your injectors, made sure they are squirting fuel…  
Could be a bunch of things, but check the simple stuff first…

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**Author:** ![TwoForty](https://avatars.discourse-cdn.com/v4/letter/t/5f9b8f/32.png) [@TwoForty](https://forums.speedlife.net/u/TwoForty)\
**Post date:** [September 29, 2004, 9:48am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/23 "2004-09-29T09:48:04Z")

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> [@EclipseRST](#):
>
> Have you tried to swap out the fuel filter? Might be clogged up…  
> Checked your injectors, made sure they are squirting fuel…  
> Could be a bunch of things, but check the simple stuff first…

all the injectors are brand new and the first thing i did was check the fuel filter!

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**Author:** ![OLDS\_ROCKETMAN](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/olds_rocketman/32/5942_2.png) [@OLDS\_ROCKETMAN](https://forums.speedlife.net/u/OLDS_ROCKETMAN)\
**Post date:** [September 29, 2004, 10:01am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/24 "2004-09-29T10:01:33Z")

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do you regularly run you tank down past 1/4?

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**Author:** ![TwoForty](https://avatars.discourse-cdn.com/v4/letter/t/5f9b8f/32.png) [@TwoForty](https://forums.speedlife.net/u/TwoForty)\
**Post date:** [September 29, 2004, 10:47am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/25 "2004-09-29T10:47:14Z")

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> [@Cutty](#):
>
> do you regularly run you tank down past 1/4?

i wouldnt say regularly but for the month or so i have been.

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**Author:** ![OLDS\_ROCKETMAN](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/olds_rocketman/32/5942_2.png) [@OLDS\_ROCKETMAN](https://forums.speedlife.net/u/OLDS_ROCKETMAN)\
**Post date:** [September 29, 2004, 10:49am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/26 "2004-09-29T10:49:56Z")

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well i’m sure you know in fuel injected car thats kinda bad for the pump, actually i wouldn’t even let it get much past half a tank. Dropping the tank is a messy and smelly job. I didn’t read this whole post to see if it was the pump that went bad or what.

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**Author:** ![TwoForty](https://avatars.discourse-cdn.com/v4/letter/t/5f9b8f/32.png) [@TwoForty](https://forums.speedlife.net/u/TwoForty)\
**Post date:** [September 29, 2004, 11:27am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/27 "2004-09-29T11:27:01Z")

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> [@Cutty](#):
>
> well i’m sure you know in fuel injected car thats kinda bad for the pump, actually i wouldn’t even let it get much past half a tank. Dropping the tank is a messy and smelly job. I didn’t read this whole post to see if it was the pump that went bad or what.

getting to the pump in my car doesnt require dropping the tank. there is a access panel in the hatch so its only a 15 minute job to change pumps but the pump in my car im assuming is the original and needs replaced!

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**Author:** ![1320](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/1320/32/5949_2.png) [@1320](https://forums.speedlife.net/u/1320)\
**Post date:** [October 5, 2004, 5:58am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/28 "2004-10-05T05:58:00Z")

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i asked a friend of mine who used to run Secret Services Sr20 ECU tuning shop. Heres a cut and paste of what he thinks.

"I have had the exact same problem on 3 or so customer cars, my car, and another FA member’s car .

the fuel pump circuit on the s13 goes bad after extended use of high amp draw pumps.

you need to install a new relay in the back by the fuel pump…use a bosch 30Amp style relay.

cut the white / bluish-purplish (i’m colorblind) between the connector and the tank. this is the 12v to the pump. you can use the connector side of this wire to turn on your new relay.

runa 12ga. power wire from the battery (put a fuse inline right near the battery for safety) all the way back to the new relay, then out of the relay to the tank side of the white/bluish-purpleish wire. this is now your switched 12v to the pump. make sure the fuse is 20A or 30A.

now run a dedicated ground to the fuel pump. cut the blue/red wire between the tank and connector. connect a 12 ga. ground wire to the tank side of the blue/red and ground it to a suitable chassis ground. the connector end of the blue/red can be left open it is justa ground.

ground the triggerside of the relay to the same spot you ground your pump at.

now you have a fuel pump circuit that is capable of flowing 30A of power with minimal voltage drop.

this should store your fuel pressure problem.

if that isnt it then look at the following:  
regulator  
fuel pump may be going bad

Good luck

Scott"

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**Author:** ![TwoForty](https://avatars.discourse-cdn.com/v4/letter/t/5f9b8f/32.png) [@TwoForty](https://forums.speedlife.net/u/TwoForty)\
**Post date:** [October 5, 2004, 7:45am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/29 "2004-10-05T07:45:28Z")

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thank you very very much for the help! im going to do this today!

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**Author:** ![TwoForty](https://avatars.discourse-cdn.com/v4/letter/t/5f9b8f/32.png) [@TwoForty](https://forums.speedlife.net/u/TwoForty)\
**Post date:** [October 5, 2004, 8:22am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/30 "2004-10-05T08:22:34Z")

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ok so i ran to the part store got the the relay and set up up on its own circuit and the car is still doing the exact same thing except this time it did have an easier time starting and stayed idling longer than it was before but its still would die. the gas pedal was also sensative, if i touched it the slightest bit the engine would immediately die which is being caused by the lack of fuel pressure im assuming. lots of air + no fuel = dead car

how do i check the regulator?

i think ive exhausted my options and im going to buy the walboro 255lph pump that ive been looking at 🙂

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**Author:** ![starboy](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/starboy/32/5985_2.png) [@starboy](https://forums.speedlife.net/u/starboy)\
**Post date:** [October 5, 2004, 8:33am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/31 "2004-10-05T08:33:01Z")

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> [@TwoForty](#):
>
> i think ive exhausted my options and im going to buy the walboro 255lph pump that ive been looking at 🙂

yes…

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**Author:** ![1320](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/1320/32/5949_2.png) [@1320](https://forums.speedlife.net/u/1320)\
**Post date:** [October 6, 2004, 1:42am UTC](https://forums.speedlife.net/t/fuel-problems-in-the-240/169337/32 "2004-10-06T01:42:52Z")

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if that didnt work, then it sounds like you have a bad pump. Get the walbro.

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