Question about Chevrolet 1996 Chevrolet S10/s15/sonoma Radio

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Where is fuel pressure Schrader valve on S10 pickup

Would like to check pressure

Posted by Michael Wilson on


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Rob Duron

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On my S10 blazer I believe it was on the fuel rail or just back from the fuel rail on top of the engine. If you start at the injectors and follow the fuel line back you should find it pretty quick.

Posted on Jun 28, 2014

  • Ralph Koozer Jul 23, 2014

    Depends upon the model of engine. In GM's imitation multiort fuel injection found on some of these it is under the hat of the fuel injector cover with the injection tubes, check the book for your model of engine, year, vin # etc.



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Troubleshooting the Fuel Pump GM 4 3L 5 0L 5 7L

Look on the fuel rail that connects to the injectors.

Posted on Jun 28, 2014


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2 Answers

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Location of fuel pressure test valve

Not sure about what engine you have, but here is the general procedure.

Open the hood. Disconnect the negative battery cable from the battery.
Look on the front of the engine and find the fuel rail. The fuel pressure regulator is on the right side of the fuel rail. Follow the fuel lines toward the firewall until you come to a Schrader valve with a black cap. Rotate the cap counterclockwise and remove it from the valve.
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1 Answer

My 2000 chevy S10 wont start I changed the battery and it ran fine for 2 days now it will turn over but won't start

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Hope helps (remember rated this) Good luck.

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