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#1
09-23-2007, 01:55 PM
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90 Civic dual-point FI: Best place to Check Fuel Sys Pressure?
Where is best location to check fuel system pressure on 90 Civic PGM-FI (dual-point throttle body inj., SOHC)? Any suggestions would be most appreciated. I see some previous posts on this but no replies. [This was also posted in the Honda \ Let's Get Technical Forum] Thx - Ed
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#2
09-23-2007, 07:57 PM
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Re: 90 Civic dual-point FI: Best place to Check Fuel Sys Pressure?
right at the end of the fuel line, where it bolts/clamps onto the throttle body... you can put another piece of line in there w/ a schrader on it, that will allow you to check fuel pressure.
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#3
09-23-2007, 09:23 PM
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Re: 90 Civic dual-point FI: Best place to Check Fuel Sys Pressure?
Right at the top of the fuel filter, there is a bolt that screws into the top, unscrew it and put a gauge on it.
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Cheap, Fast, Reliable..Pick two  Current project: Rio Red 91 hatch. A6/Z6 build, Hondata S300, Tokico illumina/Ground Control. "I'd rather run 12's on steelies than 15's on rotas."
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#5
09-29-2007, 04:18 PM
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Re: 90 Civic dual-point FI: Best place to Check Fuel Sys Pressure?
FrodoGT & DrOpZOn3,
Thanks for the reply posts. The smaller tap point on the filter connection was nestled in amongst the hoses & I missed it. I appreciate the guidance. Before I had a chance to test fuel pressure, my buddy & I did some checking by dribbling gasoline down the throttle with the fuel injectors disconnected - and the car started, after being down for 6 mos. Checked everything else for no-start (fuel, spark, timing, compression, etc.). Turned out to be bad/contaminated gas. Strangest episode in my 25 years of working on cars! Thanks - Ed
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#6
09-29-2007, 10:42 PM
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Re: 90 Civic dual-point FI: Best place to Check Fuel Sys Pressure?
lmao, yeah that can happen... try using that gas w/ some good gas to clean the engine out, or just use it to start fires randomly... either way, good to see you got it running
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