99 Dakota 318 Adjustable fuel pressure regulator - Hot Rod Forum : Hotrodders Bulletin Board
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Old 06-29-2010, 05:28 PM
Ratoflic's Avatar
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99 Dakota 318 Adjustable fuel pressure regulator

Hi,

I have a 99 Dodge Dakota with a couple of mods....

My truck run to lean...What can I do for this....The truck are not able to run a idle and I'm oblige to open the throttle body blade to tried to keep the truck run well.......

Does I can install a Fuel pressure regulator to open little bit the fuel psi to solve the off idling problem

Do you have any advice...

I have this mod on the engine...
Modified twin 53mm Throttle body
Dynomax cat-back
Edelbrock headers (Short)
Competition camshaft with spring
Transmisison shift kit (stage 2)
MSD ignition
Throttle body spacer

Your help will be really appreciate!!!

Thanks, Stephane

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Old 07-20-2010, 08:09 PM
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Quote:
Originally Posted by Ratoflic
Hi,

I have a 99 Dodge Dakota with a couple of mods....

My truck run to lean...What can I do for this....The truck are not able to run a idle and I'm oblige to open the throttle body blade to tried to keep the truck run well.......

Does I can install a Fuel pressure regulator to open little bit the fuel psi to solve the off idling problem

Do you have any advice...

I have this mod on the engine...
Modified twin 53mm Throttle body
Dynomax cat-back
Edelbrock headers (Short)
Competition camshaft with spring
Transmisison shift kit (stage 2)
MSD ignition
Throttle body spacer

Your help will be really appreciate!!!

Thanks, Stephane
Do you have an illuminated check engine light? and are there any trouble codes stored or pending codes?
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Old 07-21-2010, 06:25 AM
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Running a code check is a good first step. I can tell you that throttle body is too big for a mild 318, it is better suited to a highly modified 360 or a 390/408 stroker.
The fuel pressure regulator is part of the pump/filter assembly, it is located inside of the gas tank. Stock pressure is 48lbs +/-, should be plenty of pressure for your engine. I would check the position of the throttle blades, the idle air is supplied by the IAC could be a problem there.
The throttle body spacer is not doing you any good, especially if you are running the stock barrel manifold, it already has massive volume.
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