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Jerry, Master Mechanic
Category: Dodge
Satisfied Customers: 1754
Experience:  ASE Master tech, 30 years exp. troubleshooter, driveability tech
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I have a 2003 Dakota with the 3.9 V6 it sat 3 years

Customer Question

I have a 2003 Dakota with the 3.9 V6 it sat for about 3 years and when I began driving it again it keeps throwing an engine misfire code PO300, PO303, PO304 PO305 Never know I've changed the plugs, distributor cap and roter and replaced the intake gaskets and it still does it. It runs fine when cold but after about 40 min. of driving time begins to stumble WTF?
I'm stumped
Submitted: 1 year ago.
Category: Dodge
Expert:  Wayne Crawford replied 1 year ago.
Hello. My name is ***** ***** I will be helping you today.Have you checked the fuel pressure when its acting up?
Customer: replied 1 year ago.
No not yet where should I do it at?
Expert:  Wayne Crawford replied 1 year ago.
You have to use an adapter which your local parts store should loan along with a pressure tester and you hook it into the fuel rail and hook the fuel line you remove into the adapter.
Customer: replied 1 year ago.
OK I can do that is there a
Expert:  Wayne Crawford replied 1 year ago.
I got your request for a phone call. I just need your number and I will call. Thanks