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My fuel pump is not getting power from the PCM? 2005 chevy impala

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Try to use a jumper wire from the battery to give the pump direct current.

Posted on May 12, 2014


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INERTIA SWITCH for a 2003 Chevy Impala

Chevy doesn't have a inertia switch . If the engine dies after a wreck the fuel pump shuts off because the PCM doesn't see a crankshaft position sensor signal . The engine has to be running or cranking . GM Fuel Pump Relay Testing YouTube

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I put my 04 Chevy impala on a machine to see why it won't start and it said my fuel pump isn't getting any power but my fuel pump relay are good.Could you tell me why my pump isn't getting power.

Is your security light lit on the instrument cluster ? The PCM - engine computer turns it on ! Watch this video on the subject , there testing a Chevy Suburban but it's the same for yours ! What machine did you put your vehicle on ? GM Fuel Pump Relay Testing This is how we do at the dealer !

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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.

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It would probably be easiest to remove the whole power steering pump. Sometimes you have to work around things like that when workin on cars

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