I just put on a new dpfe sensor .I changed it out because the old one melted and blew out while driving down the road.my car still has no power when I give it gas to accelerate. It revs up when n park

10

Asked by Aug 24, 2013 at 10:27 PM about the 2002 Mercury Sable LS

Question type: Maintenance & Repair

There is no power when driving down
road. Please help

4 Answers

83,315

Have you tested the exhaust back pressure, a burned out sensor is a good indication that the back pressure is too high.

2 out of 2 people think this is helpful.
Best Answer

what are they designing delicate electronics encapsulated in melty plastic right in the path of scorchy-hot exhaust~ these people, I tell ya~

10

How do I test my back pressure.

1 out of 1 people think this is helpful.
83,315

Most repair shops can do it or you can purchase a kit from most parts stores.

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