Quote:
Originally Posted by CNGBiFuel
The big issue with the facory system is diagnosis. 90% of problems come down to the stepper. When it isn't, many of the other issues, unless you know it well enough, are difficult to diagnose.
If your specialist has put that many steppers on and still these don't give you at least 10,000 miles motroing, the issue is not the stepper.
Then it gets difficult and pricey to diagnose. If steppers do not solve the problem, often it becomes quicker and easier to remove the Necam system.
If you were here in the UK, I would speak to you. Without me to fault-find it, I think you have little choice but to remove the Necam system.
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Hey! Thanks once again for your answer! And thanks a lot for taking your time to make the "FAQ Faults & Tips for factory Volvo Bifuel LPG / CNG" topic!
I read all you've wrote at "FAQ Faults & Tips for factory Volvo Bifuel LPG / CNG" and I think, that maybe my problem is the stepper motor too. I decided to try cleaning my distributor and the stepper motor first and then if the situation is the same I'll have no choice, but to change my electronic and the injectors...
I only have few questions. Is there some instruction somewhere on how to clean the stepper motor? I know that it has a problem with the soldering of the electronic where the heat plays big role and I plan to re-solder some points there (I have some background in electronics and I think I can do it),but is there something else that I have to clean on the stepper itself? Do I have to disassemble the motor?
And last one
Do you have any idea, where is located my CNG computer? I saw some pictures in "FAQ Faults & Tips for factory Volvo Bifuel LPG / CNG",but didn't saw and I'll try to located my self, but in case you know, will be much easier for me.My car is Volvo V70 2006...
Thank you!