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> Fuel Pump Issue?, walbro whine gone...
post Sep 12, 2008 - 12:44 PM
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elvasoshexai



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for some reason, when the car is running, i noticed that i cannot hear the loud whine of my walbro fuel pump anymore... but my car still runs... is it messed up?

actually.. damn.. i just noticed that when i turn the key to the 'on' position, i can't hear the whine either...

i'm assuming the FP is still working since i can drive the car... but its not pressurizing or something so not making the whine?

This post has been edited by elvasoshexai: Sep 12, 2008 - 12:59 PM


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post Sep 12, 2008 - 1:09 PM
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presure2



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QUOTE (elvasoshexai @ Sep 12, 2008 - 1:44 PM) *
for some reason, when the car is running, i noticed that i cannot hear the loud whine of my walbro fuel pump anymore... but my car still runs... is it messed up?

actually.. damn.. i just noticed that when i turn the key to the 'on' position, i can't hear the whine either...

i'm assuming the FP is still working since i can drive the car... but its not pressurizing or something so not making the whine?

easiest way to tell would be to bridge FP and B+ in your diagnostics box, and listen for it.
if you cant hear it, i would "assume" there is a problem.


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Posts in this topic
- elvasoshexai   Fuel Pump Issue?   Sep 12, 2008 - 12:44 PM
- - presure2   QUOTE (elvasoshexai @ Sep 12, 2008 - 1...   Sep 12, 2008 - 1:09 PM
- - lagos   QUOTE actually.. damn.. i just noticed that when i...   Sep 12, 2008 - 1:30 PM
- - elvasoshexai   hopefully i did it rite. i just stuck a paperclip ...   Sep 12, 2008 - 2:02 PM
- - lagos   your supposed to do this before you start the car,...   Sep 12, 2008 - 2:06 PM
- - elvasoshexai   whoops, that's what i meant. i put the paper c...   Sep 12, 2008 - 2:07 PM
- - lagos   You can try checking the voltage going to the pump...   Sep 12, 2008 - 2:21 PM
|- - elvasoshexai   QUOTE (lagos @ Sep 12, 2008 - 3:21 P...   Sep 12, 2008 - 2:24 PM
- - lagos   umm with a multimeter What is your a/f ratio unde...   Sep 12, 2008 - 2:26 PM
- - elvasoshexai   based on zeitronix readout, af ratio ranges from 1...   Sep 12, 2008 - 3:10 PM
- - lagos   13-16 afr under boost is enough to blow your motor...   Sep 12, 2008 - 3:26 PM
- - elvasoshexai   hm ok so my tune somehow got corrupted... its all ...   Sep 13, 2008 - 2:36 PM
- - WannabeGT4   Just a thought but... if you just filled up with g...   Sep 16, 2008 - 10:58 PM
|- - elvasoshexai   QUOTE (WannabeGT4 @ Sep 16, 2008 - 11...   Sep 18, 2008 - 12:00 AM
- - Dr_Tweak   I've observed that often the Walbro pumps are ...   Sep 17, 2008 - 8:43 AM
- - easternpiro1   i dont remember EVER hearing my FP. as quiet as co...   Sep 18, 2008 - 9:15 PM
- - Consynx   Make sure you really are running a walbro. Depend...   Sep 19, 2008 - 12:41 PM
- - easternpiro1   im pretty sure it was a walboro, tweak told me him...   Sep 20, 2008 - 2:43 AM
- - malecrod   I have noticed mine is noisier in very hot weather...   Sep 20, 2008 - 1:33 PM


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