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06-29-2010, 05:28 PM
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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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07-20-2010, 08:09 PM
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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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