Truck will ideal fine till I start driving down the road then it will lose power for a couple seconds then pick up again. it don't matter if the truck is warm or cold going 25 MPH or 65 MPH it is all random. I have new plugs wires cap and router in it. PLEASE HELP.
(1)EVAP Purge Solenoid Ignition Positive Voltage
(2)To Intake Manifold Port
(3)Fuel Tank Pressure Sensor
(4)Fuel Tank Pressure Sensor Ground Circuit
(5)Fuel Tank Pressure Sensor Signal Circuit
(6)Fuel Tank Pressure Sensor 5V Reference Circuit
(7)Fuel Filler Neck
(8)Rollover Valve
(9)Fuel Tank
(10)EVAP Vent Valve
(11)EVAP Vent Valve Control Circuit
(12)EVAP Vent Valve Ignition Positive Voltage
(13)EVAP Canister
(14)EVAP Purge Solenoid
(15)EVAP Purge Solenoid Control Circuit
check this out on your vehicle. also make sure there is no air lines leaking on the engine.
SOURCE: my 1995 dodge dakota ideals up and down till it warms up
Have you tried to clean out the throttle body? disconnect your air filter and where that meets up to the motor is where the throttle body is the opening there is a butterfly type wing flap (sorry i am not a mechanic but i always end up googling my car issues or my friends car issues etc anI trouble shoot and fix my own, for i cant afford mechanics and i just dont trust car shops myself, but the terms i give, forgive me i don't know the proper terms in mechanic! hope you can follow!) get some throttle body cleaner for parts store (it's a spray can) and clean that wing flap really good, be careful as to not get that buildup down in there, (it will smoke out the exhaust, but not good for the 02 sensors) that flap wing builds up with this black stuff and starts to stick. I used a rag to hold the flap open and to catch the junk, and i used a toddlers super soft tooth brush and got it clean. I also found my easy to get to 02 sensors and got a wire brush and cleaned them and sprayed the throttle body cleaner on a rag and then wiped the 02 sensors off and then put it all back together and for a min it ran a bit rough (guess I knocked some yuck loose!) then it ran smooth as can be and no more problems. It's worth the try and it surely won't hurt it, for it's a pm(preventative maintenance) thing to do anyways. (I have found that this ethanol in the gas we purchase now has caused alot of problems for cars 2009 and under with more gunk build up, less mpg, louder idles etc.. If you can find cheaper or equal priced ethanol free gas that would be better to use, *boats, and farm tractors etc use ethanol free gass if you can't find look for places that sell to them. May have to use a funnel for that nozzle is usually bigger than your cars input.) If you can't find any of them, find the less amount of ethanol under 10% NOT "upto" 10% gas stations! (ethanol gas contains more water for it's corn based and older cars hate it!) This is only my personal opinion. Good luck hope this info helps someone!
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