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3800 Code

Xtant12

TCG Elite Member
May 31, 2007
3,318
67
I KNOW THAT MUCH.


I did google it, but doesnt show where it is and I didnt see how to replace it. Most topics just say how to bypass it. I have never seen this code also and wanted to know if anyone had issues with it here. Then again, the car has 234k on it...
 

Turbocharged400sbc

3800 & 4T80E > ALL
TCG Premium
Jun 16, 2007
32,542
15,849
hangover park IL
the solenoid is bolted to the BBV actuator bracket by a single 10mm hex nut

ensure that it has power and that the ground side circuit is fine going to the pcm and then id say replace it.

there are two outlet nipples, one haz a metal trapezoidal clip on it that held a small foam filter on the vent port while the other went to the lower port of the BBV actuator.

that small line is the one you remove for a full vac actuated setup with no pcm control.

if its triggering instantly at startup then the pcm is seeing a circuit issue...and since ive rarely replaced vac/boost solenoids id lean towards wiring....
 
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