Question about 2008 Subaru Impreza

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Why does the car rev high when A/C is on? (Subaru Impreza 2008; standard, 4 cylinder engine)

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  • lauraslay Jul 29, 2010

    Thanks. This makes sense. The car bucks when driving and runs smoothly when the A/C is off. How can I fix this?

  • tyler rierson Jul 26, 2013

    just the sport mode and you can control the shift points if it bothers you

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  • Master
  • 427 Answers

Because it takes more power to operate the air conditioner when it cycles.The throttle position sensor kicks up the idle a few hudred r.p.m.s so it doesnt bog your motor down.

Posted on Jul 29, 2010

  • Mitchell Fleming Jul 29, 2010

    You should have your car scanned and see what trouble codes come up.

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1 Answer

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Wiring diagram subaru impreza ej15 - gc1 -


For the 2.2 1997 Subaru Impreza:
Firing Order:
1-3-2-4

Cylinders:
(back of engine)
_____ ....._____
|...3...|.....|...4...|
|........|.....|........|
|...1...|.....|...2...|
(front of engine)

Ignition Connections:
......(back)...
o|<-3.....4->|o
..................
o|<-1.....2->|o
.....(front)

Let me know if this helped, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!

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