1996 Chevy Blazer fuel pump pressure

1996 CHEVROLET BLAZER
16,200 MILES • 6 CYL • AWD • AUTOMATIC
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NINABRITTNEY
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  • 1 POST
what is the fuel pump pressure on the rail suspost 2 be?
May 18, 2008 at 8:54 PM
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MIKE H R
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  • 3,094 POSTS
fuel pressure with keuy on and engine not running

throttle body appox 9 to 13 psi
central multiport fuel injection is 58 to 64

with both that is with key on and engine not running, with the engine running the pressure decreases to 3 to 10 psi on both
May 18, 2008 at 9:35 PM