legacycentral bbs

what else besides the wires/plugs would cause my turbo legacy to idle
all fucked after I take her out for a boot?

also off topic. when my car is in ON the fan kicks ON and OFF. I think
it is a relay switch, but not positive. whats up?

thanks,
ryan-



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You're not off-topic with that. I have the same problem when my car
is at normal operating temp, but not quite warmed up yet... the idle
speed oscillates and occasionally almost stalls. I haven't tried to
fix it yet because it's not a major problem, but it's probably
related to a vaccuum leak of some kind, either in the engine (bad
gasket) or in the vaccuum lines. This can be almost impossible to
trace. Good luck.

As for the fan cycling on and off... this could be caused because a
wire that is used for debugging the computer is connected when it
should be disconnected. This means you are driving your car
in 'diagnostic mode'... which could be another cause of a wierd idle.
Check down by your ECU for several connectors that connect one wire
to one wire. There's a green one and two black ones (I think). At any
rate, the green 'T-shaped' connector must be DISCONNECTED. I'm
interested to know if that's it, so please write me back and let me
know if that's what it was...

Connecting the green one and turning the key to ON without starting
the engine causes the fan to cycle on and off... this is accompanied
by a relay clicking in the box rather loudly on my car...

Thanx to Josh for helping me figure that out one day

--- In BC-BFLegacyWorks@y..., "turbolegacy92" <dc-burnout@r...> wrote:
> what else besides the wires/plugs would cause my turbo legacy to
idle
> all fucked after I take her out for a boot?
>
> also off topic. when my car is in ON the fan kicks ON and OFF. I
think
> it is a relay switch, but not positive. whats up?
>
> thanks,
> ryan-


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Oh, sweet! Ok here's the scoop. Your right, the two green plugs under the dash are what show me my ECU codes on my computer. So, when I bought this car I figured this will tell me what is wrong with my engine, cool. I didn't know that having these wires plugged in while operating the car would cause the fan and also like you said the loud relay clicking in the box , my car makes a weird clicking noise for about a five (5) second delay after I shut off the car. I will try unplugging it and see what happens.
thanks dna
ryan-

DNA_Man wrote:


You're not off-topic with that. I have the same problem when my car
is at normal operating temp, but not quite warmed up yet... the idle
speed oscillates and occasionally almost stalls. I haven't tried to
fix it yet because it's not a major problem, but it's probably
related to a vaccuum leak of some kind, either in the engine (bad
gasket) or in the vaccuum lines. This can be almost impossible to
trace. Good luck.

As for the fan cycling on and off... this could be caused because a
wire that is used for debugging the computer is connected when it
should be disconnected. This means you are driving your car
in 'diagnostic mode'... which could be another cause of a wierd idle.
Check down by your ECU for several connectors that connect one wire
to one wire. There's a green one and two black ones (I think). At any
rate, the green 'T-shaped' connector must be DISCONNECTED. I'm
interested to know if that's it, so please write me back and let me
know if that's what it was...

Connecting the green one and turning the key to ON without starting
the engine causes the fan to cycle on and off... this is accompanied
by a relay clicking in the box rather loudly on my car...

Thanx to Josh for helping me figure that out one day

--- In BC-BFLegacyWorks@y..., "turbolegacy92" <mailto:dc-burnout@r...> <dc-burnout@r...> wrote:
> what else besides the wires/plugs would cause my turbo legacy to
idle
> all fucked after I take her out for a boot?
>
> also off topic. when my car is in ON the fan kicks ON and OFF. I
think
> it is a relay switch, but not positive. whats up?
>
> thanks,
> ryan-



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Your use of Yahoo! Groups is subject to the <http://docs.yahoo.com/info/terms/> Yahoo! Terms of Service .

Hey Ryan,
How about the idle speed control valve? It is located on the rear of the intake manifold on the passenger side.
R


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both wires should be unplugged....the black ones and the green ones.

************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com> **NEW**

"Life, an ever-changing melody
of beats and rhythm" - ME
************************************


-----Original Message-----
From: DNA_Man [mailto:dna_man@yahoo.com]
Sent: Thursday, March 14, 2002 6:24 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Irregular Idle?


You're not off-topic with that. I have the same problem when my car
is at normal operating temp, but not quite warmed up yet... the idle
speed oscillates and occasionally almost stalls. I haven't tried to
fix it yet because it's not a major problem, but it's probably
related to a vaccuum leak of some kind, either in the engine (bad
gasket) or in the vaccuum lines. This can be almost impossible to
trace. Good luck.

As for the fan cycling on and off... this could be caused because a
wire that is used for debugging the computer is connected when it
should be disconnected. This means you are driving your car
in 'diagnostic mode'... which could be another cause of a wierd idle.
Check down by your ECU for several connectors that connect one wire
to one wire. There's a green one and two black ones (I think). At any
rate, the green 'T-shaped' connector must be DISCONNECTED. I'm
interested to know if that's it, so please write me back and let me
know if that's what it was...

Connecting the green one and turning the key to ON without starting
the engine causes the fan to cycle on and off... this is accompanied
by a relay clicking in the box rather loudly on my car...

Thanx to Josh for helping me figure that out one day

--- In BC-BFLegacyWorks@y..., "turbolegacy92" <dc-burnout@r...> wrote:
> what else besides the wires/plugs would cause my turbo legacy to
idle
> all fucked after I take her out for a boot?
>
> also off topic. when my car is in ON the fan kicks ON and OFF. I
think
> it is a relay switch, but not positive. whats up?
>
> thanks,
> ryan-



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BC-BFLegacyWorks-unsubscribe@egroups.com









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a thought, my friends car did this also and it was the crank angle
sensor.... playing up intermitently...
Rod-

-- In BC-BFLegacyWorks@y..., Rsbuckner@a... wrote:
> Hey Ryan,
> How about the idle speed control valve? It is located on the rear
of the intake manifold on the passenger side.
> R


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