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How many pounds of fuel pressure is needed for a Chevy blazer with 4.3l?

The fuel pressure for a Chevy Blazer with a 4.3L engine isn't a fixed number in pounds. It depends on the year of the Blazer and the specific fuel injection system used. The pressure will be specified in PSI (pounds per square inch), not just pounds.

To find the correct fuel pressure specification, you need to:

1. Determine the year of your Blazer: The fuel system changed over the years.

2. Consult your owner's manual: This is the most reliable source for the correct fuel pressure for your specific vehicle.

3. Look up the specifications online: Use a reliable online parts source (like RockAuto, AutoZone, etc.) and search for fuel pressure regulator or fuel system components for your specific year and engine. The specifications will usually be listed there.

Without knowing the year and potentially the fuel injection system type (e.g., TBI, MPFI), it's impossible to give you a definitive answer. Trying to guess could damage your fuel system.

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