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Vp V6 (buick) keeps randomly turning off as im driving.

Chris69

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VP Executive Commodore 3.8 Buick V6
Got a V6 VP auto that keeps cutting off.
Has new Crank Angle Sensor (week old). New Alternator in last 6 months.

Ill be driving along, and it just randomly turns off, i drop it back to neutral and it cranks straight back over.
Engines done 250kms but an old guy had it and replaced most parts in the last 2 years. Doesnt blow smoke, and other than this problem it drives like a new car.

Only thing ive done, is replace the throttle body witha 5ltr one. And removed the restrictive bellhousing thing to give it more grunt!. Doesnt have an issue re-starting or starting normally, and happens a mixture of times, eg: sometimes when cold, sometimes after an hour drive". Just abit dangerous as you can imagine. Any idea where to start?
 

MikeC

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I'd open all the ignition system sockets and spray them with WD 40 and clean the ignition earths. What's the restrictive bellhousing thing?
 

commodore665

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I'd open all the ignition system sockets and spray them with WD 40 and clean the ignition earths. What's the restrictive bellhousing thing?

the restrictive bell housing thing is attached to the air box and intake pipe ,
 

Simz

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Black plastic thing behind throttle body
 

delcowizzid

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C
The zadi key in the passenger door shut gets all corroded and kills power to the ecu on them quite often
 
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