Low mileage car that has started running poor. Nothing major but poor idle and seems to have a miss. After years of testing crank sensors, cam sensors, o2 sensors, plugs, wires, coil packs, testing injectors, valve seats, mass air flow, ECM, ign module, tps, and iac, I broke down and bought 60 lb injectors and a turbo tweak chip. Instant fix! So if you are running a mostly stock GN with a poor idle a new computer chip will do wonders. It is like getting a new car. Thanks Turbo Tweak.
Old timer, new chip
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