Question about 1993 Chevrolet S-10 Blazer

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What is the fuel pressure psi supposed to be? I have a tester, but I don't know what number I should be looking for. 1993 S10 Blazer

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Should be 35 PSI

Posted on Feb 08, 2009

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Posted on Jan 02, 2017

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My 1993 Dodge Dakota 3.9l v6 4x4 magnum wont fire it will crank over but no fire? The fuel pump relay, crank shaft sensor , spark plugs and wires were replaced. I don’t know a lot about this no fireing...


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Why does the fuel pressure tester gauge needle flutter?


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What is the fuel pressure supposed to be


the 3.3L engine fuel system operates at 55 psi (379 kPa). With the engine idling and the manifold vacuum applied to the regulator, the system operates at approximately 46 psi (317 kPa). Without vacuum applied to the regulator, the 3.5L engine fuel system operates at 48 psi (331 kPa). With the engine idling and the manifold vacuum applied to the regulator, the system operates at approximately 39 psi (269 kPa).---------------------------------------------------------------------------------
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I have a 95 GMC suburban and my husband was on his way home and it died on him. it has gas in it and tries to turn over but wont start. what could it be?


What your going to have to do is have the fuel pressure checked.The pressure has to be 9-13 psi.If you have the 5.7 engine.If it is a 7.4 then it has to be 26-32 psi.If you don`t have a pressure tester then try tapping on the bottom of the fuel tank and if it starts then replace the fuel pump.If this is good then check for spark at the spark plugs.Let me know what you find.Good luck.

Apr 07, 2010 | 1995 GMC Suburban

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2003 Expedition hard to start


HI ' sounds like a liking fuel pump check valve ,to test install a fuel pressure tester follow instruction on tester ,turn key on don't crank engine over turn key off and back on again note your fuel pressure should be 38 psi to 48 it should keep 20 psi in system after 10 minutes of just siting replace fuel pump if you loose the pressure

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2002 blazer 4 wheel drive hard to start


If the pressure is slow to rise, you should consider changing the fuel filter if it has not been done in the past 30,000 miles.
Next, disconnect a spark plug and check for spark while engine is cranking. Use a spark tester or old spark plug grounded to the engine block.
Let me know.
Regards,

Mar 23, 2009 | 2002 Chevrolet Blazer

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1999 Ford Taurus wont start unless primed (fuel problem)


t's the fuel pump...unfortunately it's in the tank so you have to drop the whole tank to get to it... I don't know where you live but if it's in phoenix AZ i know of an awesome place to get parts cheap. new let me know

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1 Answer

Fuel pressure


With the 3.1 engine: Ignition on 52-59 psi, at idle 42-56 psi. With the 3.8 engine: Ignition on 48-54, at idle 38-51. Let me know if your's is supercharged the specs maybe different.

Jan 23, 2009 | 2001 Pontiac Grand Am SE

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