1)- when I start my car its computer some times does not give the pulse to its CNG/petrol switch, after a time interval (ignition switch off) approx. 5 min its CNG / petrol lights glows (ignition re on) then engine starts.
2)- when engine convert on CNG its timing shows 12 degree that should be 17 to 18 degree. Its advancer might not be worked.
will you please guide me?
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Tuesday, March 26th, 2013 AT 10:27 AM
3 Replies
KHLOW2008
MECHANIC
41,814 POSTS
Have the CNG control unit tested, seems it is faulty.
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Tuesday, March 26th, 2013 AT 2:55 PM
FAISEL.IQB
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But when scanner to be attached there is no error shown on it
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Wednesday, March 27th, 2013 AT 10:39 AM
KHLOW2008
MECHANIC
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Is your scan tool capable of reading CNG control unit trouble codes?