Question about 2005 Chevrolet Impala

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Fuel pressure regulator 2005 chevy impala how to change it out

Need help replacing this part

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: where is the fuel pressure regulator on my chevy

HERE is a picture of the location. let me know if this help remember release pressure before removing regulatorb1a6d1d.jpg52c36aa.jpg

Posted on Sep 25, 2009

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  • 124 Answers

SOURCE: 2002 chevy Blazer hard starting

i agree with the fuel pump problem this is quite common with these trucks. but the fuel injectors on this motor are not accesable without removing the plenun and they are not standard fuel rail injectors so you can not test as earlier instructed.

Posted on Dec 04, 2008

  • 74 Answers

SOURCE: 1998 Chevy tahoe Hard to start when cold

replace your MAP sensor(manifold absolute pressure) the map sensor is the computer for your fuel pressure regulator telling how much pressure. Unless your tahoe runs like **** going up hill than it inevitably your fuel pump

Posted on Feb 17, 2009

  • 92 Answers

SOURCE: fuel pressure regulator had no vacuum line connected

another engineers wet dream. think of it this way . what is normally in the intake when the engine is running.. answer vacume, hence the regulator gets its vacume without a hose connected to it as its already in a full time vacume chamber.no hose required . ps be carefull to seat the regulator and o rings securely into the housing befor you reattach the secureing metal clip.
good luck chris

Posted on Mar 23, 2009

  • 118 Answers

SOURCE: How do i change the Blower motor resistor on a 2005 chevy impala?

The blower motor resistor is located behind the glovebox mounted in the fan housing box under the dash.

Posted on Jul 20, 2009

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1 Answer

2005 chevy cavalier flooded fuel system engine wont start


check your fuel pressure regulator,pull the vacuum line off it is wet with fuel,replace it,then put vacuum pump on regulator side see if it hold at least 15 psi steady,if it start loosing vacuum ,change it,

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05 chevy impala will crank over but will not start, changed the fuel filter it was extremely dirty the fuel pump is working.


First check for spark at any of the sparkplugs if you have spark then check your fuel pressure.Just because its working does'nt mean it has enough pressure for it to run.It may be a weak pump.

Aug 08, 2011 | 2005 Chevrolet Impala

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Have troble starting engine after letting seat for a while with unit hot have change fuel regulator next to intake and change out body trodel position sensor


You need to check fuel pressure with a fuel pressure gauge. The regulator is a good guess but the fuel pump can also be letting fuel pressure drop. Once fuel pressure drops on a hot engine the fuel in the fuel rail will boil and essentially be a vapor lock condition. Fuel pressure should be around 56 psi and hold steady for at least 45 minute to an hour. If it drops within a couple of minutes to check valve in the pump is probably bad and the fuel pump module will need to be replaced.

The other thing, when you replaced the fuel pressure regulotar is is possible that you did not get all the old pieces from the old regulator out of the fuel rail. It is common for the screen and o-ring from the old regulator to stay in the fuel rail and they need to be removed carefully with a small pick.

Nov 04, 2010 | 2001 Chevrolet Silverado

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My 2005 Chevy Impala smells gasy when ever started and sometimes after idling for awhile.


SMELL GAS YOU NEED CHECK ALL FUEL LINES UNDER THE HOOD IN THE ENGINE COMPARTMENT.IF GAS IS STRONG UNDER HOOD YOU DONT SEE LEAKING FUEL LINES.YOUR FUEL RAIL FUEL INJECTORS LEAKING OR FUEL PRESSURE REGULATOR O - RING OR DIAPHRAM LEAKING GAS.IF FIND NO LEAKS UNDER THE HOOD CHECK FUEL LINES UNDER CAR FROM ENGINE TO FUEL TANK FOR LEAKS.IF ALL IS GOOD YOUR EVAPORATIVE CANISTER SOAKED WITH GAS OR YOUR EMISSION EVAPORATIVE SYSTEM NOT WORKING. DEALERSHIP HAS TO CHECK AND FIX.

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05 Impala missfire code 301 have changed


check intake for vaccum leaks,the gasket also and egr valve, thats alot of parts to have replaced without diagnosing first, if there are no fuel leaks and you said all injectors were replaced then you have a defective fuel pump, also these engines had misfire problem because of dirty injector but you replaced them so count that out. good luck.

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I get a code po300 on a scanner wich says multiple cylinder missfire on a 2000 chevy impala 3.8 engine i have replaced the computer no help any suggestions would be greatly appreciated thanks


Check and replace the plugs and see if the Spark plug wires need to be replaced too. Make sure the wires don't have any burn marks or arching on the exhaust manifold. The other thing to look for is dirty fuel injector and fuel pressure. Check the fuel pressure at the shredder valve, upon start up there should be 60psi to 65psi and when the engine is running it should drop 5psi. Good luck and hope this helps. keep me posted be glad to help.

Jun 15, 2009 | 2005 Chevrolet Impala

1 Answer

Car wants to start but dies immediately. fuel pressure test bad


Couple of things, the fuel pressure held before with the old regulator but now it doesn't. Are you sure you got the tiny o-ring out when you changed it and installed it on the new one? Is there any fuel in the vacuum line to the regulator? Does the white exhaust smell like fuel or coolant burning?

Feb 18, 2009 | 2002 Chevrolet Impala

2 Answers

Where is the PCV valve on a 2002 Chevy Impala?


This sounds like a possible bad fuel pressure regulator.
Depending on which engine (3.4l or 3.8l) they can be easy or hard to replace. For pics on the 3.4l regulator replacement, see this link...
Tech JK
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Dec 21, 2008 | 2002 Chevrolet Impala

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