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LPG, CNG & LNG - General Info and Issues Share experiences and problems |
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Volvo V70 Bi-fuel CNG helpViews : 3223 Replies : 4Users Viewing This Thread : |
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Jan 5th, 2014, 00:04 | #1 |
New Member
Last Online: Jun 16th, 2014 20:41
Join Date: Oct 2013
Location: Dals Rostock
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Volvo V70 Bi-fuel CNG help
I have a V70 2006 Bi-fuel CNG . The car used to run 70% of the time on CNG but would typically switching to petrol just before the engine reached normal operating temperature. I have read numerous bloggs and post but found nothing that relates directly to CNG engines.
As I have now discovered, the Necam Voltec CNG system is very similar to the LPG system with a gas regulator rather than a vaporizer. The CNG has one advantage that it doesn't suffer from the same dirt and oil contamination most LPG users report since CNG is totally clean. I eventually replaced the stepper motor and distributor but found the car would start up, switch to gas and then struggle to idle before dieing. Any ideas most welcome! Charlie |
Jan 5th, 2014, 00:46 | #2 |
Trader Volvo in my veins
Last Online: Today 00:48
Join Date: Dec 2004
Location: Anglesey
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You might find that the replacement distributor is the wrong one. There are a few versions of the Necam distributor.
The CNG ones still need cleaning. We have a forum member on here called CNGbifuel on here with a CNG V70 |
Jan 5th, 2014, 20:55 | #3 |
New Member
Last Online: Jun 16th, 2014 20:41
Join Date: Oct 2013
Location: Dals Rostock
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CNGbifuel
Thanks for your reply,
I checked the old and new distributor and they both have the same serial number prefix and are also visually identical. Will check out CNGbifuel though. Charlie |
Mar 16th, 2014, 17:56 | #4 |
Classic P80 1999 BiFuel
Last Online: Mar 6th, 2024 01:34
Join Date: Aug 2012
Location: 48mph Middle Lane M4
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'tis I. I've a pile of bits that I've been collecting. I replied to your other post. I will admit here, I'm mystified. Nine times out of ten it'll be dirt in the dist and if you've let it go too far a new stepper.
I'm puzzled. PM me. And psot what it was if you sorted it. I had issues with the Lambda which gave similar issues. Ouch! You've already spent real dough... Edit: Didn't see you location at first, just looked up Dals Rostock - I had you as a Brit!
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Bifuel V70 Classic 1999 [The Old Grumpy in the Corner, "When I was a lad... blah, bl**dy blah."] Last edited by CNGBiFuel; Mar 16th, 2014 at 17:58. |
Apr 2nd, 2014, 13:10 | #5 |
LPG conversion pro
Last Online: Mar 22nd, 2024 16:35
Join Date: Feb 2014
Location: Pontefract
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Isn't CNG a bit hard to obtain in this country compared to easily obtainable LPG?
Unless you have your own CNG compressor and maybe a spinnable gas meter lol.. Simon www.Lpgc.co.uk |
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cng, necam koltec, problems, repair, v70 2006 |
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