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Fuel pressure at rail

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Old Dec 25, 2007 | 09:47 AM
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Originally Posted by DrX
What is your FP with the vac line removed from the FPR? Did you check it with the vac line attached or removed?
I checked it with it attached, will try removing it.
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Old Dec 25, 2007 | 09:48 AM
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Originally Posted by Doobie
50 psi is acceptable for a flex fuel engine...is yours FF?
nope not flex fuel engine.
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Old Dec 25, 2007 | 09:49 AM
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Originally Posted by tarinitup
I think your pressures are normal. MIne is also 50 at idle but what counts is pressure at WOT. MIne reads 58 at WOT.
didnt check it wide open dont think hose long enough will look into. I guess maybe I can just rev it up and see.
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Old Dec 25, 2007 | 09:58 AM
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04 and up Have returnless fuel systems with means 58-62 at idle (mines 61psi)

03 and earlier have return fuel systems and are vac. referenced so idle should be around 50psi then increase as vaccum decreases. So you should get close to 58-60 at WO.
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Old Dec 25, 2007 | 05:31 PM
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Thank you everybody as soon as I pulled the vacume line 58 psi was there.
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