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Old 03-23-2015, 08:25 PM   #1 (permalink)
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Default Bad Fuel Pump Check Valve

My 2006 Forenza is experiencing the normal symptoms for a bad fuel pump check valve. I do not have a pressure thing, but I am sure the check valve is bad. I looked up the cost of a new fuel pump and it is about $200 for the cheapest option; so I am wondering if there is any way to fix it without spending so much money....

I would get a junkyard fuel pump, but my '09 only has 52k miles on it so any junkyard pump would probably have as many or more miles on it and go bad relatively quickly....

Then I thought of adding a external check valve such as this item from eBay.
But there is not much space right after the fuel pump to put the valve so I would probably have to move the valve down a foot or two, but I don't know if that would fix it or if it would still start hard with it two or so feet away from the fuel pump....

I really don't have the extra money to spend on a new fuel pump, but letting it prime three times before it starts is really annoying.....

I am also currently in the process of designing and soon to be 3D printing(on a friend's 3D printer) replacement interior door handles for my car, since half of them were broken....so I will let you all know how that goes.


Thanks for any help or ideas!
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Old 03-24-2015, 04:37 AM   #2 (permalink)
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What makes you think you have a bad fuel pump?
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Old 03-24-2015, 07:42 AM   #3 (permalink)
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Originally Posted by Waiter21 View Post
What makes you think you have a bad fuel pump?
When I try to start the car after it has sat for a bit it will not start until I have heard the fuel pump run at least two if not three times. Also if I start it quickly after I have been driving then it will start nice and fast like normal.
So that stuff makes me believe that the check valve is bad, and the check valve is a part of the entire pump assembly.
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Old 03-24-2015, 11:15 AM   #4 (permalink)
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^^ Good troubleshooting. Yup sounds like fuel pump.

OUCH - I just looked at fuel pump prices -- I think I would be visiting the junk yards. The pump is fairly easy to get at, so if you can get a used one for $20 it would be worth the gamble.

Can the pump be replaced - i.e. seen this on e-bay

New Fuel Pump Strainer Kit Suzuki Vehicles Various GA1300 Suz | eBay
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Old 03-24-2015, 12:39 PM   #5 (permalink)
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I don't see what the big deal is.... I actually had to completely remove the check valve on my Walbro 255 pump to make it fit in place of the stock pump (had to cut down the neck a bit). This doesn't really cause any issue other than it taking longer to start after it's been sitting as you've mentioned.

Considering there is a delay on the factory prime (only lets you prime once every 1-2min), I just let it prime once, then start cranking. Crank for 3-4 seconds and then let off (it will either fire up, or sputter a bit). Then crank again a 2nd time and it usually fires up.... if its been sitting really long time, it may require a 3rd round.

If you are on a tight budget as you mentioned, either get a used junkyard pump, or just leave it be.
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Old 03-25-2015, 08:19 AM   #6 (permalink)
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Thank you both for your responses.

The cheapest fuel pump I could find from a junkyard around me is $50... I am thinking I will go with the view of exist3nce and live with it and let it prime twice. I might see about adding an external check valve if there are any good spots to do so that I can see....
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