Engine Management and Tuning Crome, NepTune, Hondata, AEM, MOTEC

no signal coming from a7, pumps wont prime, whats the problem?

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Old May 24, 2010 | 11:16 AM
  #1  
.adam.'s Avatar
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From: Elyria, OH, US
Default no signal coming from a7, pumps wont prime, whats the problem?

trying to get my car started and the pumps wont prime. relays are wired directly to battery and the switch is wired to a7 at the ecu. car turns over but no fuel pump power.

the pumps will come on if i give the relays a 12v signal
theres no voltage coming from the ecu at a7
ive tried multiple ecus


any ideas?
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Old May 24, 2010 | 12:30 PM
  #2  
Turbogixxer's Avatar
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From: Boca Raton, FL
Default Re: no signal coming from a7, pumps wont prime, whats the problem?

Is the CEL on?
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Old May 24, 2010 | 03:51 PM
  #3  
.adam.'s Avatar
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From: Elyria, OH, US
Default Re: no signal coming from a7, pumps wont prime, whats the problem?

no solid cel. comes on for a sec when the key is turned over then goes off like normal....
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