3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

does 03 have the dreaded VP-44?

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Old Jan 6, 2003 | 11:01 PM
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whiteknight's Avatar
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From: denver colo
does 03 have the dreaded VP-44?

does the 03s have the VP-44 some one said somthing about a split rail system on 03s and is that with the 44 or is there no 44? thanks for any info.
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Old Jan 8, 2003 | 10:55 PM
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From: denver colo
Re:does 03 have the dreaded VP-44?

Thanks!
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Old Jan 9, 2003 | 07:16 AM
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From: Tomball, Texas
Re:does 03 have the dreaded VP-44?

There's nothing wrong with the VP44. The problem is with the lift pump. <br> Just install a fuel pressure guage to monitor the lift pump. Also install a vent on the fuel tank or drill a small hole in the filler cap. Doing this will prevent a vacuum so the lift pump won't have to work so hard sucking fuel out of the tank.<br><br>MikeyB
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