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  #1  
Old 06-12-2016, 11:11 AM
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Default One for the Remap Gurus

Hey All,

Recently 3 of us had a remap done on our ECU's.
2008 GU(mine)
2012 GU
2016 GU

The 12 and 16 noticed more torque and better fuel economy which is what we chose.
Mine had no change at all in torque and worse fuel economy.
All had the same setting applied.
Tried another ECU on mine with same remap and still no noticeable changes.
I was wondering if anyone out there might have any indication as to why mine would not take. Both myself and the guy that did the remap have run out of ideas.

Cheers
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Old 06-12-2016, 02:03 PM
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When you tried another ECU was it of the same vintage as yours or a later one? If later then this would maybe rule out there being a programming difference between the early ECU and later ones.
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Old 06-12-2016, 04:00 PM
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Quote:
Originally Posted by geeyoutoo View Post
When you tried another ECU was it of the same vintage as yours or a later one? If later then this would maybe rule out there being a programming difference between the early ECU and later ones.
Had exactly the same numbers as was on mine. In saying that, whatever was on the new ecu would have been over ridden by the new map put on it.
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Old 06-12-2016, 06:14 PM
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What do the before and after dyno figures reveal?
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Old 06-12-2016, 10:30 PM
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Have you got the standard exhaust on it or aftermarket?
Stock system has 2 cats, one of which is prone to melting and blocking the exhaust up.

The CRD pressure sensor and the crd pressure relief valve are both prone to drifting (pressure sensor) and leaking (relief valve) both give terrible economy and lack of power along with a longer starting time. Normally about 5 cycles instead of the 1-2 a new engine has.
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Old 07-12-2016, 06:57 AM
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Are all the vehicles the same, weight tyres aerodynamics? A remap with no change in torque, seriously, what was done?? Before and after graphs?

Andy
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Old 07-12-2016, 08:03 AM
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Quote:
Originally Posted by ACMPatrol View Post
What do the before and after dyno figures reveal?
Not dyno'd
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Old 07-12-2016, 08:05 AM
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Quote:
Originally Posted by DieselTuner View Post
Have you got the standard exhaust on it or aftermarket?
Stock system has 2 cats, one of which is prone to melting and blocking the exhaust up.

The CRD pressure sensor and the crd pressure relief valve are both prone to drifting (pressure sensor) and leaking (relief valve) both give terrible economy and lack of power along with a longer starting time. Normally about 5 cycles instead of the 1-2 a new engine has.
I have the standard exhaust. I will run this passed the mech and see what he reckons. Thanks for the info.
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Old 07-12-2016, 08:06 AM
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Quote:
Originally Posted by Diesel-Tec View Post
Are all the vehicles the same, weight tyres aerodynamics? A remap with no change in torque, seriously, what was done?? Before and after graphs?

Andy
Mine and the 12 are the same. 16 is bog stock
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Old 07-12-2016, 03:37 PM
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So how did he prove how good his tune is and if there was an underlying power issue with yours before tuning it? No it becomes a game of its your vehicle that has an issue, not my tune.

Andy
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Old 07-12-2016, 04:42 PM
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What D.T said. You'd have to assume yours has an underlining problem like a faulty maf failing NPS or some other fault that is limiting power.
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Old 07-12-2016, 05:05 PM
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Absolutely agree with Andy and Nav, if the basic units were the same the difference is in your vehicle somewhere, whether that be MAF, fuel system, etc is to be determined by elimination.
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Old 07-12-2016, 06:41 PM
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Yep agree with you all. I'll admit though the guy has been nothing but helpful and available through the whole process. He will be reinstating my old settings and giving me a full refund tomorrow.
I guess it's now down to finding the underlying issue
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Old 12-12-2016, 01:10 AM
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Quote:
Originally Posted by DieselTuner View Post
Have you got the standard exhaust on it or aftermarket?
Stock system has 2 cats, one of which is prone to melting and blocking the exhaust up.

The CRD pressure sensor and the crd pressure relief valve are both prone to drifting (pressure sensor) and leaking (relief valve) both give terrible economy and lack of power along with a longer starting time. Normally about 5 cycles instead of the 1-2 a new engine has.
Mine is slow to start like you mention. 2013 manual and only 65000kms so unlikely to be the glow plugs, mostly long highway kms.

how much to change the 2 sensors in question?

is it possible to test them?

Cheers
Ben
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Old 12-12-2016, 08:31 AM
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Quote:
Originally Posted by EFIwindsor View Post
Mine is slow to start like you mention. 2013 manual and only 65000kms so unlikely to be the glow plugs, mostly long highway kms.

how much to change the 2 sensors in question?

is it possible to test them?

Cheers
Ben
If you are in Melbourne go and see Andy at Diesel-Tec in Lilydale. He will find your issue.

Maybe you just need a new fuel filter and/or put some proper hose clamps on all the hoses around the filter.
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Old 12-12-2016, 02:27 PM
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In Brisbane. Can sort the filter and clamps put this week. Cheers.

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Old 13-12-2016, 07:54 AM
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Had the original settings put back on over the weekend. Must admit it is a little more sluggish but not by massive amounts.
On a good note the fuel economy seems to have come back.
Think i'll chuck a new exhaust at it first as it seems to breathe quite heavily. As stated above it may be a melted cat.
Start of the elimination process.
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