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  #1  
Old 02-10-2009, 09:39 PM
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Default CODE P0089

Okay. It's a 2007 Aero with 15k and this code came up P0089... what could cause it?
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1991 Mustang 5.0L LX
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  #2  
Old 02-11-2009, 07:05 AM
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Default RE: CODE P0089

here is the code you asked about
P0089 Engine Fuel Press Regulator
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Old 02-11-2009, 11:30 AM
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Default RE: CODE P0089

Yeah I know it's the Engine Fuel Pressure Regulator. Saab ran a test it was good. What could have triggered this code. Ran the gas tank too low, bad or not enough clicks on the fuel cap??
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1999 Volvo S80 T6
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Old 02-11-2009, 12:00 PM
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Default RE: CODE P0089

Diagnostic trouble code P0089 - The ECM commands the Bosch high-pressure fuel pump to deliver a specific fuel rail pressure - that can vary up to 23,000 psi depending on load and speed. The actual pressure is monitored via the fuel rail pressure sensor. If the fuel rail pressure varies more than desired or if commanded fuel pump flow is 100mm3/second or less, DTC P0089 will set.Corrective action includes measuring the fuel rail pressure using a Tech II scan tool, then compare that to commanded fuel rail pressure with the engine running at 2000 rpm. The difference must be less than 20 Mpa.A blockage in the fuel tank or plugged fuel filter could cause this fault (excessive vacuum in fuel line). If there is less than 5 in Hg of vacuum when measured at the fuel pressure test port at 3000 rpm, the fuel pressure regulator could be defective, and may need to be replaced. The fuel pressure regulator (FPR) is a sub assembly located on the Bosch high-pressure fuel pump.
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Old 02-11-2009, 12:00 PM
 
 
 
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1999, 95, fuel, p0089, port, pressure, regulator, saab, test, volvo


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