I recently purchased an 2005 quest. Like it! However, I recently experienced a issue when accelerating up hill or just taking off fast from a stop sign. The van goes into limp mode and the TCS OFF light and the SLIP light along with Engine light all come on when this happens. Pull to side of the road and shut it off, start again, and it drives fine and all lights but the Engine light are off now. If the process is repeated, ie.fast acceleration, its the same old story.
-In other words, if I drive like a grandma, life is good. But if I need to ask a little more from my quest (passing a car or climbing a hill) she goes LIMP on me!
-By the way, the code we pulled is P1122 throttle position sensor.
Check all the wires and connections to the throttle body.
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