1)- when I start my car its computer some times.

Tiny
FAISEL.IQB
  • MEMBER
  • 2007 SUZUKI LIANA
  • 93,000 MILES
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?
Tuesday, March 26th, 2013 AT 10:27 AM

3 Replies

Tiny
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
Tiny
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
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Is your scan tool capable of reading CNG control unit trouble codes?
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Wednesday, March 27th, 2013 AT 2:35 PM

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