Boost Problem?
14 February 2007, 11:35 AM
#1
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Boost Problem?
Just bought my 1st scooby. A Impreza GL Turbo '93 Jap Import and i'm havin a problem with the boost. As soon as i hit 0.75 on the boost guage i get a large loss of power, the car still moves but you have to stop accelarating for a brief moment. The car is fitted with adjustable boost but i don't know what the exact problem is. I've been told the fuel pump was replaced a few months ago so i don't know if this is related. Can anyone help me? https://www.scoobynet.com/images/smilies/ponder2.gif
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Regards
(think you mean wrx).
14 February 2007, 12:06 PM
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I would check all of your turbo pipework, boost solenoid etc. .7 is around wastegate pressure I think so it sounds like something is not right with the connecting pipework. Check where the adjustable boost is plumbed in
14 February 2007, 02:54 PM
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Yeah it is a WRX sorry, just checked it out, it's registered as a GL on the V5 doc for some reason (prob some1 trying to get cheaper insurance). Don't know if it's a fuel problem as it's a sudden jerk rather than a slow decelaration. I'm going to get all the turbo pipework looked at for a start. Cheers so far guys
14 February 2007, 03:09 PM
#6
some where imported as GL as WRX weren't on the dvla database (i think).
WRX/STI saloons 2C, U8, W6, and W9 11.47psi held to redline fuel cut 14.57psi
WRX saloons (95/96) Z4 12.71psi dropping to 11.78psi@6600rpm fuel cut 15.65psi
Fuel cut is a sudden jerk that nearly puts your head through the windscreen.
WRX/STI saloons 2C, U8, W6, and W9 11.47psi held to redline fuel cut 14.57psi
WRX saloons (95/96) Z4 12.71psi dropping to 11.78psi@6600rpm fuel cut 15.65psi
Fuel cut is a sudden jerk that nearly puts your head through the windscreen.
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14 February 2007, 06:17 PM
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Check the Boost Controller and associated pipework. It may be faulty or set too high. If it is fuel cut (sometime incorrectly called boost cut) I would guess that this is the problem.
Deffo don't just put up with it as it may damage the engine if it is left unrepaired. Be patient and I am sure someone on here can give a lot more help than me.
Deffo don't just put up with it as it may damage the engine if it is left unrepaired. Be patient and I am sure someone on here can give a lot more help than me.
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