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Fuel pressure in caprice ls1990

(1990 Chevrolet Caprice)
in Clinton, IA on June 04, 2014
Does anyone know how much is the pressure of the fuel in fuel lines before the injectors.
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Popular Answer
on June 04, 2014
I like to see 'at least' 12 psi on a TBI unit!! .. I think specs call for 9 to 13 psi,... but it aint going to run 'right' with only 9 psi...!... Check for restricted fuel filter first thing if pressure is low!... Can pinch return line for testing... Do you know what i'm refering to??
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of G. T. Service Center on June 04, 2014
Which engine and need the 8th digit on vin number.
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