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Search Auto Parts Search How much fuel should should be pumped to injectors? Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting a1handy User Jul 25, 2010, 4:39 AM Post #1 of 4 (1306 views) How much fuel should should be pumped to injectors? Sign In In an effort to replace some old gas in my 04 Taurus I disconnected the main fuel line and pumped the fuel out of the tank by hard wiring a circut in the fuel pump junction box in the trunk. I was surprised that the gas being pumped was not more than it was. I was expecting a rather large flow but the flow was only the size of about a pencil point or a bit more. Is this normal, a tech says my pressure is about 60 lbs which is normal according to his meter. Hammer Time Ultimate Carjunky / Moderator Jul 25, 2010, 4:43 AM Post #2 of 4 (1303 views) Re: How much fuel should should be pumped to injectors? Sign In The pressure spec is 35 to 70 PSI so it doesn't look like you have a problem. It will pump a lot of fuel with those pressures. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Vincent New User Jul 25, 2010, 6:49 AM Post #3 of 4 (1295 views) Re: How much fuel should should be pumped to injectors? Sign In Generally speaking a fuel pump in good working order should pump a quart of fuel in no more than 70 seconds. Do a pump volume test and post the results. Hammer Time Ultimate Carjunky / Moderator Jul 25, 2010, 6:55 AM Post #4 of 4 (1293 views) Re: How much fuel should should be pumped to injectors? Sign In At 60 PSI, if it's fuel and not air being pumped out, you will pump a quart in a matter of seconds. This car uses an electronically controlled, Pulse Width Modulated variable speed pump. The controller dictates the pressure so a volume test won't mean much. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. (This post was edited by Hammer Time on Jul 25, 2010, 6:59 AM)   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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