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Loud knock maybe fuel knock
Can you help me understand main fuel rate. How do I get it. Fuel rail cp3 sorry I don’t know much about this. -
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Loud knock maybe fuel knock
When in park ideling it isn’t to bad sounding but it will very quickly start running very bad and loud and almost stalls out then catches and smooths out, so no I haven’t had it at operating temperature. I think it my be the tune causing the fpr to not operate properly. That is why the balance... -
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Loud knock maybe fuel knock
New 30 over injectorr and new fpr. I missed with it at lunch today. When I started it up it wasn’t sounding to bad. I only had it running a very short time but long enough for it to start making that noise it shuddered for a second before I could shut it down -
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Loud knock maybe fuel knock
Ok sounds like it was coming from top of driver side around# 4 & 6 injector. It is reading code p0089 & p0571 which is speed sensor. The sound wasn’t as aggressive has been. Oil pressure is good -1.3/1.3/-2.3/1.2/0.6/2.1/3.4/-2.9 this is my injector balance rate -
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Loud knock maybe fuel knock
Will try stethoscope today after work and let you know. Just realized your hometown. I am Thomasville native. Thanks for your help ad I will update with more info this afternoon. -
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Loud knock maybe fuel knock
No there was no knock. Two weeks ago had to have oil pump replaced. Drove it home and at 2000 rpm it would lose power, almost stall out and it would shake hard until I let off accerater. The p0090 code came on and hasn’t went off. I replaced fpr and the wiring harness and the code came back... -
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Efilive old tune/ new tune
Will running the same tune that was built for stock injector on 30 over injectors and a Stage 2 turbo the previous turbo was a Stage 1. I also have a 50hp modified cp3 now. I’m getting p0089 & p0090. Will this new tune for my new modifications clear up my problems.- Lmmoore85
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- Forum: Duramax Tuning, Logging, and Gauges
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Loud knock maybe fuel knock
Hello, ok got codes p0089 & p0090 showing. I’ve replaced fpr & pigtail also got a pig tail comeing off main engine harness. I have just replaced injectors 30 over & also have a 50hp cp3 pump. I’m waiting for ppei to finish up the new tune. I need to know if running the old tune is making the fpr...