I have a 2001 Ford Explorer Sport Trac and I recently failed the emissions test. The codes are P0171 and P0174. I have noticed that my truck's performance is poor, and is at it's worst now, being that the temperature has dropped and it's so cold. It starts up fine, but I have to push the engine just for the truck to stay running and not to cut off. I was wondering what would be the price range to repair the damages..
BEFORE YOU CAN ESTIMATE THE COST YOU WILL HAVE TO FIND OUT WHY THE TRUCK IS RUNNING LEAN, IT COULD BE FUEL PRESSURE, AN INTAKE MANIFOLD VACUUM LEAK AND SO ON, THEY WILL MOST LIKELY THEY WILL QUOTE YOU 2 HOURS LABOR TO START AND DIAGNOSTICS, OR ABOUT $200
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My check engine light came on. The truck seems to run fine. But a big name repair store wants to replace the EGR Pressure sensor. And they want to replace the DPFE sensor which acording to the parts store its the same as the EGR. I watched and each time the clerk put in the word DPFE the EGR pressure sensor came up. Is that correct? I am so confused.
My stepdaughter had the same problem with the codes. In her case it wound up being the DPFE sensor malfunctioning. Replaced it and the check engine light hasn't been on since. This has been about a year ago. Around $180 for part & labor.
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