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  1. Pradeep
  2. CNG Kit, LPG Kit
  3. Friday, January 10 2020
Hi there

I am also facing the CNG light blinking issue. But it is happening in winter only. CNG switch keeps flip flopping between CNG and petrol mode for about 3 - 6 km depending on cold wheather, there after once engine is hot, it runs perfectly.

I have been using my CNG car since last 7 year but this issue is occurring from last two years.

anyone can suggest solution to this problem? would be great help.
Admin Accepted Answer

The given issue is when the Engine has not reached optimal temperature or rather say Engine is Cold. In such a case, the engine will try to warm up and then changeover to CNG

I suggest to get
> Coolant Level Checked
> Coolant Thermostat Valve could be faulty
> Also is there any Start Problem, when were the Spark Plug last replaced

Not a big issue, can be easily inspected and repaired by mechanic for Coolant Thermostat Value and spark Plug

  1. more than a month ago
  2. CNG Kit, LPG Kit
  3. # 1
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