my turbo whistles!!!
my 91 mazda familia GTX 1.8L DOHC Turbo
Has a strange tendancy to whistle when it boosts and is all over the place with power when its cold also the ignition sometimes cuts at 4500rpm in 3rd only when cold but it doesn't beep like fuel cut does????? help me please people |
check your intake hoses and exhaust for leaks
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Normally...
When a car is cold, doesnt it usually have a tendency to do wierd things when the engine is not fully warmed up? When my car is not fully warmed up it has tendencys to do things it doesnt do when it is warmed... isnt more power a good thing? I thought turbos were supposed to make a "whistle" noise...but i may be wrong, but thats my judgement.. |
it may be the bearings going out... If i could hear what it sounded like i might be able to tell you since my brother's GTI turbo bearings took a sh*t and it made more of a angry high pitched whistling sound than when it used to be boosting on good bearings
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Originally Posted by KagyMP5
it may be the bearings going out... If i could hear what it sounded like i might be able to tell you since my brother's GTI turbo bearings took a sh*t and it made more of a angry high pitched whistling sound than when it used to be boosting on good bearings
and even when its been running for and hour or so it's still not consistant on power, EG sometimes when i put my foot down the boost comes on straight away but other times it comes on 1-2 seconds later. there just doesn't seem to be any consistancy to the progresion of boost its either wack (all there) or "maybe i might think about boosting soon!!!" and its using a little bit of oil, but stuff all. |
dont turbos have to be tuned somewhat? like timing?
perhaps that is your problem, or maybe ur running to high, Maybe you could possbily ask one of our turbocharger experts around the forum to se if they can diagnos your problem |
Originally Posted by ghettopro
dont turbos have to be tuned somewhat? like timing?
perhaps that is your problem, or maybe ur running to high, Maybe you could possbily ask one of our turbocharger experts around the forum to se if they can diagnos your problem sorry ghetto...that was funny sounds like a boost leak to me |
thanks for all the help so far guys, im going to take the turbo out over christmas and see if i can figure out whats wrong
Cheers |
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