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VS 5 litre problem

boostedjigger

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I have a VS caprice with 5 litre/4l60e and dual fuel, it runs fine on gas but on petrol only runs on the right bank? it has new injectors in it. Any ideas??
 

frogsta

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Spark plugs and leads okay?
 

VR38

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Are the injectors firing (clicking)?
 

304runner

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fark! An entire bank has gone numb?
 

Wombles

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An entire bank on petrol?
How did you come to that conclusion?
Id say its wiring to the switch/injectors.
 

yxyx64

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bottom left wire on ecm plug is busted (light blue) between there and the injectors. do a continiuty test between there and injector plug....if no continuity that is ur problem.
 

someguy360

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Mine went out on the entire left bank of injectors.

Was a wiring issue, had to go to an auto elec as the loom was a bit mangled......so thats a possibility.
 

boostedjigger

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yeah plugs and leads are new, runs perfect on gas but switch back to petrol and its rough as guts, unplug any injector on right bank makes it worse, unplug any on left bank and it makes no difference.

The motor is almost out now so i will check the harness for damage
 
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