2002 impala bad fuel pressure regulator????

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Old 07-31-05, 08:25 AM
helgriffan
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2002 impala bad fuel pressure regulator????

I have a 2002 impala 3.8L engine and Im pretty sure I have a bad fuel pressure regulator. It has trouble starting unless its cold outside but what I was wondering was can I change a fuel pressure regulator myself and ifso where is it located?
 
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Old 07-31-05, 05:21 PM
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Im not familiar with your model, but follow the fuel rail on the engine to its termination point before it goes to the injectors. There, you should find the regulator.
 
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Old 08-06-05, 06:25 AM
snozuloz
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The regulator is right up on the engine by the throttle body. To see if it is bad, remove the vacuum line and look or smell for fuel. A vacuum pump should hold, if applied. To replace, relieve fuel pressure and use snap ring pliers to remove. Make sure to get all the old parts out including the tiny o ring at the bottom. Install new one, but make sure to lube the orings.
 
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