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2008 ssv ute p0171

Vel98

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Apr 15, 2018
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Hi all i have a 2008 holden ssv manuel ute. This has veen an issue for alittle while now im throwing a p0171 code (bank 1 lean) no specficis to when it throws a code could be under load or deacelerating. Has also started surging ocasionaly.
All vaccum lines have been inspected and are in good condition with no leaks.
Fuel pressure has been checked and was good.
Fuel injectors have been pulled and sonic bathed then tested and reffited after passing the test.
Intake manifold free from any defects or leaks
Intake seals and exhaust manifold and gaskets are all new so no leaks there.
All plugs near new and plug gaps are good.
Im abit stumped now as to what it might be or where to go from here.
Fuel trims are way off can try post some frezze frame date if it would be benaficial.
 

vr304

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2007 ssv manual
Have u replaced your o2 sensors in the last 5 years? Definitely worth doing mate
 

Vel98

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Yes they have been changed theu got changed aroubd 10000kms ago as one failed so i replaced the whole lot
 
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