TwinTurbo.NET: Nissan 300ZX forum - Steady idle, but rough idle and no power.
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Subject Steady idle, but rough idle and no power.
     
Posted by Zxpress on March 20, 2011 at 4:13 PM
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Message My car idles steady at 800rpm. But there's a distinct "foop foop foop" sound coming from the exhaust. When I step on the gas while in neutral, the car shakes until about 3,000rpm and then sort of smoothens out. The car has no power and when under load driving up an incline it starts shaking. Also my stock boost gage is stuck at 0 psi until I kill the ignition, then it drops to its normal position. Not sure if these are related. Did a self diagnotstic on the ecu and came back negative. Did the hot check on the O2 sensors and got no flashes which leads me to believe they are shot. Anyone else had this problem? 2. Are the Bosch sensors from Autozone Ok?

     
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