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out of gas
like an idiot, I ran out of gas. when I added gas to the tank, via a gas can, 5 gallons, the engine turns but will not start. I know thyere is gas in the tank. Any hekp is appreciated. 2004 2 dr ls
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Originally Posted by marton5
(Post 651797)
like an idiot, I ran out of gas. when I added gas to the tank, via a gas can, 5 gallons, the engine turns but will not start. I know thyere is gas in the tank. Any hekp is appreciated. 2004 2 dr ls
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I agree, check fuel pressure like Les mentioned. The pump should activate for 2 seconds when the ignition is initially turned to the run position. It should run continuously while the starter is engaged, (engine oil pressure has no affect on fuel pump operation).
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Originally Posted by Captain Hook
(Post 651809)
It should run continuously while the starter is engaged, (engine oil pressure has no affect on fuel pump operation).
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some vehicles have button you prss after an accident or if you run out of gas. shuts off the fuel flow. Am I coeect in thinking this is not the case with the Blazer? I know Explorers have on
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^yup marton its just ford as far as i know that has that.
you ran out of gas and now it wont start? sounds like pump died,if it did. if it did dont buy anything but a delphi or ac delco unless u enjoy doing it ever year. Buy a can of starter fluid, spray a lil into the throttle body and see if it starts then dies. if so,maybe the pump. |
Key on engine off, the PCM activates the pump. If the PCM does not receive crank position sensor pulse after ~2 seconds, it deactivates the pump.
Some 4.3L equipped vehicles, (not all) have a circuit in the oil pressure sender that provides an additional circuit to the fuel pump when oil pressure is above ~7psi. The purpose of the circuit is to reduce amperage flow through each wire, essentially doubling the available available current, which keeps the wires cool. Only senders with a grey wire are equipped with the circuit. Back in the 70's and early 80's, the fuel pump circuit ran through the oil sender and deactivated the pump if oil pressure dropped below ~7psi as a safety feature. |
Originally Posted by Captain Hook
(Post 651873)
Key on engine off, the PCM activates the pump. If the PCM does not receive crank position sensor pulse after ~2 seconds, it deactivates the pump.
Some 4.3L equipped vehicles, (not all) have a circuit in the oil pressure sender that provides an additional circuit to the fuel pump when oil pressure is above ~7psi. The purpose of the circuit is to reduce amperage flow through each wire, essentially doubling the available available current, which keeps the wires cool. Only senders with a grey wire are equipped with the circuit. Back in the 70's and early 80's, the fuel pump circuit ran through the oil sender and deactivated the pump if oil pressure dropped below ~7psi as a safety feature. |
Correct.
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tried the key recyclen 5 times. started right up. Thanks to all of you for your help, For one, it wasn't something major. Thanks again.
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