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Engine looses all power at 4500rpm ??

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Old 22 February 2008, 08:46 PM
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cnott
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Default Engine looses all power at 4500rpm ??

Hi all. I'm looking for help. Just bought a 99 Impreza STi. When I put the foot down (in any gear) the car gains power until 4500 revs but then loses all power and begins to shudder.

Check engine light is on constantly but oil temp is normal.

Anyone know what's going on? Please dont tell me turbo is blown :-(
Old 22 February 2008, 09:14 PM
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rentonone
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Originally Posted by cnott
Hi all. I'm looking for help. Just bought a 99 Impreza STi. When I put the foot down (in any gear) the car gains power until 4500 revs but then loses all power and begins to shudder.

Check engine light is on constantly but oil temp is normal.

Anyone know what's going on? Please dont tell me turbo is blown :-(
Hi mate, sounds like your car has gone into limp home mode which means your boost/ timing Etc is being retarded due to a fault some where or a faulty sensor, do an ecu check to see what fault code comes up, there are some connectors under the steering colum, 2 blacks and 2 greens, connect the 2 blacks together and the check engine light will give a morse code to indicate a certain sensor, long flashes = 10 and short flashes = 1 so 2 long flashes with 2 short flashes =code 22

Last edited by rentonone; 22 February 2008 at 09:20 PM.
Old 22 February 2008, 09:31 PM
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www.JollyGreenMonster.com - Engine management specialist for list of error codes
Old 22 February 2008, 09:56 PM
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cnott
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Thanks for the advice...cant find the connectors now in the dark. Will try tomorrow morning.

Night of worrying ahead. Hope I have not bought a lemon!
Old 22 February 2008, 10:00 PM
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bigchap
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is ur speedo working if not this can cause the limp mod?
Old 22 February 2008, 10:43 PM
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cnott
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Yeah speedo works fine. It's bizarre. Everything seems OK (beside check engine light being on). The engine seems to be making a whining niose too. I'm a newbie to Imprezas so this may not be unusual.
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