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setting for walbro fuel pump gs 342

Posted: Fri Mar 07, 2014 12:06 am
by goodspeed
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

Re: setting for walbro fuel pump gs 342

Posted: Fri Mar 07, 2014 7:58 am
by Hondata
Assuming that you keep the stock fuel pressure regulator there is no change.

Re: setting for walbro fuel pump gs 342

Posted: Fri Mar 07, 2014 11:45 pm
by goodspeed
Hmm. I only change the walbro fuel pump gs 342.

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

Re: setting for walbro fuel pump gs 342

Posted: Wed Apr 02, 2014 11:07 am
by thatguyinms
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.