Having problems with your 2004 Ford Ranger ?

Truck surges it will surge going down the road.. from 1500 rpms to 3500 rpms... it acts lik it doesnt have fuel but runs great for 20 min.... then starts up.. with check engine light flashing....

Posted / edited by AnonymousUser on : 15-04-2019

Answers :

If this has the 2.9 six engine yep I've seen this before
\015\012on the front of engine right behind the pipe that carries air from filter is the throttle blade on the left side of it is a black sensor with two phillips screws on it This is the throttle posisition sensor ford has a service bullitin on this It seems fine dirt in air follows the throttle shaft and gets caught inside this sensor
\015\012solution replace sensor and use throttle/carb cleaner to clean shaft from inside you'll see black dusty powder on it
\015\012Runs great for 15 minutes because ecm runs open loop(epa stuff) till then when it tries to go closed loop the sensor's input is not there so it goes crazy
any one with two hands and a screw driver can fix this
Repair Help & Product Troubleshooting for 2004 Ford Ranger

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