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2002 Civic LX Fuel Pressure Test

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Old Aug 8, 2020
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2002 Civic LX Fuel Pressure Test
I am trying to test the fuel pressure on my car due to P0171 and P0131. I have checked vacuum lines and I'm almost certain I have a fuel problem (MAP sensor, low fuel pressure, etc.). Evey test I have thrown at my MAP sensor has been within spec.

Anyway, I am trying to depressurize the fuel line before I go about removing the fuel line. Is it the 15A "fuel pump" relay under the driver's side fuse box?
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Old Aug 8, 2020
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Re: 2002 Civic LX Fuel Pressure Test
Got the line off. Can't seem to take of the quick connect. Do I remove the fuel line at the firewall and connect the gauge to that?
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Re: 2002 Civic LX Fuel Pressure Test
Originally Posted by sase1128
Got the line off. Can't seem to take of the quick connect. Do I remove the fuel line at the firewall and connect the gauge to that?
If so. How the hell do we remove the retainer on that end?
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Old Aug 10, 2020
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Re: 2002 Civic LX Fuel Pressure Test
There is a similar connector at both ends. One side might have an extra plastic cover but it should just pop right off.
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