setting for walbro fuel pump gs 342

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goodspeed
Posts: 25
Joined: Sat Mar 30, 2013 9:03 pm

setting for walbro fuel pump gs 342

Post by goodspeed » Fri Mar 07, 2014 12:06 am

Dear admin

Can advise what is the setting for the fuel pump if I have change my fuel pump is 255litre per hr type...


Thanks

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Hondata
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Re: setting for walbro fuel pump gs 342

Post by Hondata » Fri Mar 07, 2014 7:58 am

Assuming that you keep the stock fuel pressure regulator there is no change.
Hondata

goodspeed
Posts: 25
Joined: Sat Mar 30, 2013 9:03 pm

Re: setting for walbro fuel pump gs 342

Post by goodspeed » Fri Mar 07, 2014 11:45 pm

Hmm. I only change the walbro fuel pump gs 342.

But What i notice is that the short term fuel trim is -10

thatguyinms
Posts: 19
Joined: Fri Apr 20, 2012 4:48 pm

Re: setting for walbro fuel pump gs 342

Post by thatguyinms » Wed Apr 02, 2014 11:07 am

goodspeed wrote:Hmm. I only change the walbro fuel pump gs 342.

But What i notice is that the short term fuel trim is -10
old pump probably wasn't holding pressure like it should.

Now new pump flows great and is causing a rich condition.



Retune.

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