car response problem

2006 HYUNDAI SANTRO
50,000 MILES • 4 CYL • 2WD • MANUAL
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ALI.ALVI
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I have hyundai santro.The problem with my car is that the response of my car becomes very poor when i turn on air conditioner.i am using compressed natural gas as alternative fuel.what should i do?
Jun 25, 2011 at 5:11 PM
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KHLOW2008
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Does the problem occur when CNG system is not used?

Is the CNG system after market ?
Jun 25, 2011 at 9:16 PM
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ALI.ALVI
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when i drive my car on petrol,the response of car decreases but not upto that extent as on compressed natural gas.is a/c compressor of my car weak or there is any other problem?
Jun 28, 2011 at 3:21 PM
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KHLOW2008
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I believe the problem lies in the engine tuning. Have the spark plugs checked.

Our database does not have any information on your vehicle so I am not sure of the engine type used. If valve clearances are adjustable, you ought to have them checked and adjusted if necessary.

Engine that runs on CNG tends to wear tyhe valves much faster resulting in insufficient clearance and performance drop.
Jun 28, 2011 at 7:54 PM