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1986 Mazda RX7 Car wont keep running

Tiny
PETERSB
  • MEMBER
  • 1986 MAZDA RX7
  • 4 CYL
  • 4WD
  • MANUAL
  • 95,000 MILES
I have a 1986 Mazda RX7. I have fuel to the injectors and the car will start but will not keep running. I have check voltage on the fuel pump and the ejectors and the voltage drops to 0 then the key is switched from the start to the run position. Is there a senser somewhere that is turning off the voltage to the fuel to keep the car from running?
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Wednesday, October 15th, 2008 AT 7:24 PM

3 Replies

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Have you checked the fuel pump relay? Is it staying on or shutting off when you go from start to run. If you have a bad fuel pump relay it will shut off the pump.
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Wednesday, October 15th, 2008 AT 9:06 PM
Tiny
PETERSB
  • MEMBER
  • 2 POSTS
The relay is working fine the power is not at the relay then the key turned to the run position
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Monday, October 20th, 2008 AT 5:08 PM
Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
I don't quite understand what you are saying. You said the relay is working fine the power is not at the relay. So are you saying there is no power at the relay?
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Monday, October 20th, 2008 AT 6:15 PM

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