Help - Info on WRX 93 boost level wanted
09 July 2002, 02:20 PM
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May sound stupid but can anyone tell me what an import Impreza WRX 93 model should be running standard boost. Mine according to the boost gauge goes to approx 0.5 bar, and I think it should be higher, if so can anyone advise me as to how to rectify the problem????
09 July 2002, 05:07 PM
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I have a MY93 WRX which boosts to .85 kg/cm3 which is about .8 bar. If your running on u/l then it reduces the boost as the ecu will detect det problems. You MUST run sul/optimax and if you plan to run higher boost then octane booster as well. To reset your ecu look on the sidc faq or do a search ( it's quite simple ) If this doesnt work then ask one of the technical bods on here, ( unlike me!!! ) who will suggest cleaning pipes/maf sensor amongst other things. Just a thought but is your boost gauge knackered?? How long have you had it? Has it always done this or has it just started reducing boost? people will need more info to give you an informed opinion. pumpers.
10 July 2002, 09:07 AM
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Alan,
The correct boost is 0.8Bar on that model.
The other figures of 1.0 Bar you have been quoted are wrong for standard or they are not running right. There are some running 1.0Bar but this is with mods.
It would be normal however to get a little over boost say to .85 Bar when you floor it.
If you are getting .5Bar as I said this is safe mode, were the ecu has cut back on boost because of a fault or detection of Pre-ignition (Det or Pinking).
My advice if you are not sure what you are doing is take it to a specialist dependant dealer who will plug in a diagnostic to read any faults. They will then reset the ecu which may cure the problem for a while, but it would be best to find the cause of the fault.
Cheers,
Joules
The correct boost is 0.8Bar on that model.
The other figures of 1.0 Bar you have been quoted are wrong for standard or they are not running right. There are some running 1.0Bar but this is with mods.
It would be normal however to get a little over boost say to .85 Bar when you floor it.
If you are getting .5Bar as I said this is safe mode, were the ecu has cut back on boost because of a fault or detection of Pre-ignition (Det or Pinking).
My advice if you are not sure what you are doing is take it to a specialist dependant dealer who will plug in a diagnostic to read any faults. They will then reset the ecu which may cure the problem for a while, but it would be best to find the cause of the fault.
Cheers,
Joules
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