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Re: Exhaust Backpressure Gauge Needle Bounce
Posted to Technical Theory Forum on 7/26/2007

hey Rusty,

we get the Ethanol in the tank every now and then, you know rental cars, cheapest gas is what is going to go in the tank.

the symptoms are the same as what Jim is conveying, the easy way to tell is to pull the pcv valve out and feel, when Ethano... Login to read more.