Mazda RX-7 Starting in the 1970s, the uniquely powered RX-7 helped put Mazda on the performance car map.

85 rx7 electric fuel pump

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Old Apr 27, 2007 | 09:39 PM
  #1  
cowboy8's Avatar
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Default 85 rx7 electric fuel pump

85 rx7 has been in garage for 5 years. New battery. when spraying starter fluid in the carb it will fire up and run until it burns up. does not seem to get any gas to carb. fuel line not clogged. not sure wire connector to fuel pump is hot. what do I do
 
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Old May 2, 2007 | 10:25 PM
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babyhuey's Avatar
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Default RE: 85 rx7 electric fuel pump

Would definitely be checking to see that the fuel pump is getting power cowboy 8. Pump is located under car towards rear just inside of left rear wheel area. Should be only 2 wires to it. Blue with white stripe is power in, Black is ground. Should even feel like it is vibrating with key on or cranking. If no power then might check the fuel pump cut relay under the dash just to the inside of the steering column. Four wires to it. 2 are Black with white stripe and are power into the relay with key on. Blue w/ white stipe is out to fuel pump and Black w/ Yellow stipe is coil ground to the ECU. Fuse for entire system is in underdash fuse box (do not have an image but looks like racerboy may in your other thread). Is a 20 amp fuse anyway. Look like it should be 2 down from the start of one of the rows with a 15 on one side and 30 on the other side of the fuel pump fuse.
You don't have a clogged fuel filter do you?
 
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Old May 2, 2007 | 11:50 PM
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Default RE: 85 rx7 electric fuel pump

Thanx babyhuey I will check this out
 
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Old May 3, 2007 | 04:10 AM
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Default RE: 85 rx7 electric fuel pump

Let me know what you find and if you have some problems with locating things. Do not have a 85 carb Rx7 handy for pics but will throw some pointers as best I can.
 
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