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02-13-2015
I think my fuel pump might be going out. there has been a bunch of times the car didnt want to start as easy as normal, and earlier today the car wouldn't start until I gave it some gas. what kind of fuel pumps are people using? I have done ported heads, xp cam, ported sc housing, 42 lb injectors, northstar tb, and a full size phenolic intercooler.
02-13-2015
rent/buy a pressure tester before you go buying a new pump.
02-13-2015
the mechanic I go to has one, when he isnt too busy I will check the pressure. do you remember what it should be at?
02-13-2015
43 or over @ idle or key to run.
next time you start the car turn the key to run for 5 seconds, then crank it. this way the pump gets to do a full prime before its cranking.
02-13-2015
ok thanks. a faulty fuel pump could contribute to a lean condition?
02-13-2015
it could, but so could your tune.
ask your friend if hes got a long hose for it so you can pop it out the hood and see it while you drive.
02-13-2015
it might be long enough, I could probably wedge it under the windshield wiper if the angle was viewable.
02-14-2015
If it really is the pump going out, then you can find some good kits that will help you replace the pump with a better one.
I used one from high flow fuel. It wasn't a direct replacement, the outlet wasn't the same size as the stock one, just a little smaller. Now that I've got it sealed correctly it seems to be doing the job pretty well.
02-15-2015
Racetronics has a very nice replacement pump but I believe it is the Venturi pump and requires the older 97-00 GTP fuel pump canister. They also make a high quality fuel pump "rewire" kit that is far superior to the ZZP kit. Getting full voltage to the pump can help too.
02-16-2015
I would prefer something that is more plug and play. I have the zzp fuel pump rewire already.
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