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Hi I have a misfire on all 6 cyl on my 09 saturn outlook also poo87 fuel related code I check the fuel pressure under hood seem ok 55,60 lb . Any help would be appreciated. Also where is fuel filter. And fuel pressure regulator thanks
 

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2009 Outlook XR FWD
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Hello,
Unfortunately, the fuel filter is inside of the fuel tank and part of the fuel pump assembly. However according to AllData, the is no factory specified service interval for the fuel filter.

This is from AllData....you may be able to quickly check the fuel pressure when you turn the Ignition to on in the few seconds that the fuel pump is on....if you don't have a scan tool or something that can command the fuel pump on.

  1. Ignition ON, engine OFF, command the fuel pump relay ON with a scan tool and observe the fuel pressure gage while the fuel pump is operating. Verify the fuel pressure is between 384-425 kPa (56-62 psi).
 
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