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boost problem still!

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Old 13 January 2007, 10:42 AM
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5cby
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Default boost problem still!

finally got around to clean my boost solenoid this morning
after i had this happen
https://www.scoobynet.com/midlands-2...october-3.html
when i connected this green and black plugs together
the solenoid was clicking
sprayed some brake cleaner through it
took car for a spin and still only boosting at about 8 psi

im running out of ideas as what to do next
if i clamped the actuator to solenoid pipe
take it for another drive and if it hits target boost would tell me that the actuator is faulty?

steve
Old 13 January 2007, 10:57 AM
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catons scooby
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have you tried the actuator on the turbo
Old 13 January 2007, 11:24 AM
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5cby
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what do you mean tried??


steve
Old 14 January 2007, 08:43 AM
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bttt


steve
Old 14 January 2007, 09:37 AM
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catons scooby
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take it off and clean it spray with wd40 and open/close the arm
Old 14 January 2007, 09:53 AM
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5cby
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took it of and the rod is moving fine


steve
Old 14 January 2007, 10:39 AM
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catons scooby
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maybe a fooked turbo
Old 14 January 2007, 11:37 AM
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sarnyboy
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defo try an actuator mate, mine done the same, all sorted by gettin a new actuator
Old 14 January 2007, 03:29 PM
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catons scooby
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what about maf sensor
Old 18 January 2007, 07:57 PM
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ive changed the actuator and its still the same
cant think what to change next




steve
Old 18 January 2007, 08:05 PM
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ticky
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Any exhaust leaks, up-pipe, headers, gasket etc.
Old 18 January 2007, 08:47 PM
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none that ive noticed



steve
Old 18 January 2007, 08:52 PM
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sarnyboy
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mine s doin the same... i changed map / maf / ecu / actuator... and loads of other stuff

someone suggested spark plug failt...?
Old 18 January 2007, 10:11 PM
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Scott.T
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I have known a couple of early cars to fail to control the boost control solenoid correctly for no apparent reason, probably due to a fault with the ECU or wiring.

Stick ya head under the bonnet and see if the solenoid clicks if you raise the revs slightly off idle

The solution in these cases was to fit a manual boost controller.
Old 19 January 2007, 09:19 AM
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nickyrhodes
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Originally Posted by Scott.T
I have known a couple of early cars to fail to control the boost control solenoid correctly for no apparent reason, probably due to a fault with the ECU or wiring.

Stick ya head under the bonnet and see if the solenoid clicks if you raise the revs slightly off idle

The solution in these cases was to fit a manual boost controller.
good call, they're cheap and would def narrow down a problem with the ecu/wiring or solenoid...

i've kept mine on (dawes) as it boosts quicker with no overboost
Old 19 January 2007, 04:59 PM
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sarnyboy
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i tried a manual boost controller, and a different ecu to no avail,,

reduced the gap in my spark plugs to .6 today... problem seems to be solved, guess i better save up for some coil packs now
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