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Old 10-05-2009, 06:42 PM
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no power and blue smoke

I have a '99 7.3 f350 and i just replaced a bad injector. It has NO power and is blowing blue smoke. I pulled the codes and i got p0470 EGR boost sensor, p1184 EOT sen. ckt perf, p0476 EBP not controllable, p0284 cylinder #8 which was the injector i just replaced. Does anyone know how or what i need to fix to get my truck workin again? Thanks guys

Last edited by jaysonmore; 10-05-2009 at 06:54 PM.
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Old 10-06-2009, 03:12 AM
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what your describing ounds like the ruck inst warming up properly, did this all start when it got cold out? im exactly sure of this but it also sounds like you may have a boost leak or a faulty boost detector, which will cause the wastegate to malfuntion which will cause smkoe and loss of power. Also... therer is a flap in the exhaust caulled the ebpv(exhaust backressure valve) it closes when the truck is cold to aid a cold start. If it is either not closing, it might not warm up as fast and if it is staying closed once its war, exahust gasses cannot properly exit causign loss of power.
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Old 10-06-2009, 06:54 AM
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Thanks for taking the time to help. No it happened in the hottest time of the year. The check engine light had been on and i noticed a lack of power so i thought it was just an injector. Kept running it 'till one day after just refueling i was at a stop light and it started running really rough and blowin heavy blue smoke so i thought i just got bad fuel. The truck barely had enough power to pull into the parking lot and i ended up towing it home. I replaced the injector and now it runs smoother but still no power and blue smoke.

Thanks again
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