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 Post subject: Re: DIY ECU Flash
PostPosted: Wed Jul 03, 2019 1:59 pm 
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Posts: 4731
Location: Central GA
RCS wrote:
It was 90 here. He sent me a tune and I was blowing too much black smoke with it. I talked to him and he tweaked it for altitude since I live at 6000+ ft above sea level. No smoke. I will pass the yearly test and put the other back on it and drive around so everyone knows she is an oil burner.

If you are seeing black smoke everytime you accelerate, you either don't have enough boost or, you have to much fuel. Either way it is not very efficient combustion and not good for fuel economy. I bet for sure that the 6000+ altitude messes with it, but I would have thought that with the built in barometric pressure sensor within the ECM it would compensate for it somewhat. :shock:

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 Post subject: Re: DIY ECU Flash
PostPosted: Thu Jul 04, 2019 10:46 am 
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Joined: Sat Jul 11, 2009 4:17 pm
Posts: 841
Location: Biella Italia
thank you guy ,it depend William, the barometric sensor cut the boost and fuel too , than you can feel the car like a stock , is the why I normally cut only the boost altitude , and when people say "hey ....she smoke " I know why and I can customize

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ECU Tuner -EGR OFF -DPF OFF Swirl/Flap OFF, Lambda OFF , DTC OFF in many cars , not ONLY Jeep


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 Post subject: Re: DIY ECU Flash
PostPosted: Sun Jul 07, 2019 1:19 pm 
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Joined: Sat Oct 28, 2017 1:51 pm
Posts: 1
looking for a 516 EGR delete tune. 2006 CRD


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 Post subject: Re: DIY ECU Flash
PostPosted: Mon Jul 08, 2019 8:44 pm 
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Joined: Mon Jul 08, 2019 1:27 pm
Posts: 2
526 EGR/FCV delete tune.


Hey folks,

I'm in the midst of my second EGR/FCV delete. The first Jeep ECU flash went flawlessly but I'm stuck with the second one.

My READ through MPPS turn up: 037377526P53362K4.

I successfully WROTE Greybeast-526-EGR_FCV_Delete-Stock_Tune.

However the Jeep is still throwing P1140 and P0403. I've tried clearing codes several times and driving a few miles.

If anyone has an suggestions I'd love to hear them.


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 Post subject: Re: DIY ECU Flash
PostPosted: Thu Jul 11, 2019 6:53 am 
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Joined: Sat Jul 11, 2009 4:17 pm
Posts: 841
Location: Biella Italia
Mrader wrote:
526 EGR/FCV delete tune.


Hey folks,

I'm in the midst of my second EGR/FCV delete. The first Jeep ECU flash went flawlessly but I'm stuck with the second one.

My READ through MPPS turn up: 037377526P53362K4.

I successfully WROTE Greybeast-526-EGR_FCV_Delete-Stock_Tune.

However the Jeep is still throwing P1140 and P0403. I've tried clearing codes several times and driving a few miles.

If anyone has an suggestions I'd love to hear them.


I can built one without DTC

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ECU Tuner -EGR OFF -DPF OFF Swirl/Flap OFF, Lambda OFF , DTC OFF in many cars , not ONLY Jeep


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 Post subject: Re: DIY ECU Flash
PostPosted: Thu Jul 11, 2019 11:37 pm 
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Joined: Mon Jul 08, 2019 1:27 pm
Posts: 2
Yeti wrote:
Mrader wrote:
526 EGR/FCV delete tune.


Hey folks,

I'm in the midst of my second EGR/FCV delete. The first Jeep ECU flash went flawlessly but I'm stuck with the second one.

My READ through MPPS turn up: 037377526P53362K4.

I successfully WROTE Greybeast-526-EGR_FCV_Delete-Stock_Tune.

However the Jeep is still throwing P1140 and P0403. I've tried clearing codes several times and driving a few miles.

If anyone has an suggestions I'd love to hear them.


I can built one without DTC


Hey Yeti,

That's awesome. Do you work for beer? Haha.

Let me know what's involved.


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