Ok guys ive lost boost today Ive done nothing to the car yet today the boost os down to 10-12psi rather than 14-16psi. Its noticible so ruled gauge out . Ive checked pipework to manual boost controller and its fine. Could this be my controller packed up or is this something worse as seems imprezas are in the habbit of failing recently lol Any help/advice is appreciated
drew160387
Posts : 1267 Join date : 2011-03-13 Age : 37
Subject: Re: Low on boost Thu 9 Feb - 12:00
Forgot to add theres no leaking sound engine seems the same and it holds the boost pressure between 10-12 psi had a google and seems boost leak but they all have the hissing leaking sound i dont
Iain
Posts : 316 Join date : 2011-07-04 Age : 40 Location : Sunderland
Subject: Re: Low on boost Thu 9 Feb - 12:08
Maybe that plastic bottle lid you have bodged on has come loose?
drew160387
Posts : 1267 Join date : 2011-03-13 Age : 37
Subject: Re: Low on boost Thu 9 Feb - 12:14
Nar thats fine seals it better than the oversized bung that was there . If that wasnt sealed ide hear a leak but i dont
drew160387
Posts : 1267 Join date : 2011-03-13 Age : 37
Subject: Re: Low on boost Wed 15 Feb - 10:53
ok guys spoke to warwick about fitting his dv then we came up with reverting back to standard setup and thats cured it so it was the mbc
ecu which i had chipped local was shit tbh ran horid and fuel cut the lot got warwicks old ecu in now done by polar performance chip supplied by jolly green monster and its mint again more power smoother and nice to drive round the doors off boost. needs a service now as plugs gettin blown out lol
so for future advice with similar problems my solution was the manual boost control at fault
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