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EL XR8 not starting. 

 

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 Post subject: EL XR8 not starting.
Posted: Tue Apr 19, 2011 2:28 pm 
Stock as a Rock
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Age: 43

Posts: 171

Joined: 7th Mar 2006

Location: Whyalla
SA, Australia

When ignition is turned off and then to on I no longer hear the fuel pump doing it's usual whirring noise. Put a multimeter on the the plug for the fuel pump and it get's 12V the instant the ignition is turned on but drops away to 3V after about a second. Car has been quite rough on idle lately but a higher than idle RPM it is OK. Not sure if this problem is related at all to it not starting now. Bloody cars, if it's not female troubles it's cars.
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 Post subject: Re: EL XR8 not starting.
Posted: Tue Apr 19, 2011 3:37 pm 
EFI Guru
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Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

After a second or 2-3 secs? 2-3 secs is normal if you don't crank. If the EEC sees no PIP(ie from cranking) when ignition on, it turns off the pump.
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 Post subject: Re: EL XR8 not starting.
Posted: Tue Apr 19, 2011 4:07 pm 
Stock as a Rock
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Age: 43

Posts: 171

Joined: 7th Mar 2006

Location: Whyalla
SA, Australia

OK, cheers. Sounds like the fuel pump is dead then.
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 Post subject: Re: EL XR8 not starting.
Posted: Tue Apr 19, 2011 9:04 pm 
EFI Guru
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Age: 52

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Gallery: 28 images

Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

Try primimg the pump through the diag connector under the dash(where you would do a self test) before you conclude it's the pump or check the voltage remains at the pump while cranking.
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 Post subject: Re: EL XR8 not starting.
Posted: Tue Apr 19, 2011 9:09 pm 
Stock as a Rock
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Age: 43

Posts: 171

Joined: 7th Mar 2006

Location: Whyalla
SA, Australia

Bought a new pump today, too dark to fit now but no fuel squirted out when I disconnected the lines and tried ignition. Hopefully I didn't waste my money. Thinking of draining the feul out of the tank too. Looks really icky in there.
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