Some time when driving the engine will start to surge & run rough & black smoke comes out the exhust i notice that the turbo gauge will bounce up and down if i feather the fuel peddle it seams to clear its self and runs ok it only happend 2 times in the last 3 weeks other than that it runs great
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Hi. If you see white smoke out the tailpipe, the engine is running rough and the coolant temp is getting higher and fluctuating. Your engine has a bad head gasket. There is no way the radiator cap can hold back that type of pressure. With the radiator cool and full. As the engine runs, you should witness coolant filling the over flow reservoir. Any questions please write back.
Hi, It sounds like you have alot of problems which may only be a couple. Have the coolant thermistor checked, it sounds like this is not switching off and causing the engine to over fuel, making it run rough and blow black smoke out the exhaust. Have the engine thermostat checked it maybe faulty causing the engine to over heat., have these done and see how you cars goes then.
signs of a bad fuel pressure regulator-- the vehicle will run rough, the engine will not start ( usually in the mornings,) many times engine starts but stalls shortly after starting. a bad regulator can result in fouled plugs. replacement is only cure. 1- black soot on plugs-2-black smoke from tailpipe-3- running rough-4- stalling, good-day! repost if need be.
Sounds like either the float level is too high, there is a problem with the float needle valve or the power valve is stuck. I'd take the carb off and either replace it or take it apart and check everything inside. If you do nothing, chances are it will either get worse or if it's a small piece of junk inside, it may clear up by itself...I'd take it apart. Since it's pretty new, if you are careful, likely you won't need a gasket kit.