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Could be your injectors. Have you tried an injector cleaner? I found fuel doctor actually works, bought at super
Cheap. Have you checked fuel rail pressure? Should be 40psi. When I bought my patrol it measured about 32 psi. Changed the fuel pump and it jumped back to 40psi and made a world of difference.
Edit: forgot to add, if you have a vacuum leak, an obvious sign is a "putt putt" sound at the exhaust.
Last edited by Parksy; 24th August 2013 at 06:42 PM.
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