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Indeed that is exactly what is happening. People don't know who to believe any more and decide not to do anything regarding modifications. Everybody looses.
On the other hand, there are several companies on CS.net which have a 100% positive customer feedback and don't sell fairy tales.
Yes software with OBD interface.
http://www.fastchip.nl/Programming-Equipment/Renault-RSTuner/Detailed-product-flyer.html
Features:
Updating to latest engine calibration, or tuned calibration 'chip tuning'
Backup of original engine software
Numerical display of available engine...
Yes these 'enhancements' Launch Control & Overrun come from me. AFAIK 'Big Fish Tuning' isn't buying reprog licenses from me. Which means he is just profiting for free from my work.
As long as people know that these features originate from me, I am good.
It should settle between 850-900 rpm again when the ECU adapts to the new conditions. However the TB learning process only takes place when coolant temperature > 70 C.
Off course there shouldn't be any damage to the TB, or vacuum leaks.
You probably want to look at the "long term fuel trim" parameter.
Replace Front lambda Sensor if;
- it gives a fault code, DUH..
- long term fuel trim is way below or above 128
The curve shape is the typical C&B signature, nothing to worry :-)
They messed up rpm reading as they probably were to lazy to pick it up from the middle pin of the coil pack.
Here is al little guide for the system bleed process;
http://www.fastchip.nl/index.php?option=com_virtuemart&Itemid=26&file_id=51&lang=en&page=shop.getfile&product_id=78
You need RSTuner ABS module, cheaper than 80 pounds @ dealer...
When the fault appears again, read it with the dealer clip tool OR with RSTuner + ABS module.
Only these 2 devices will tell you the proper component fault code.
[Steering angle sensor is a common fault]