Car response problem

ALI.ALVI

MEMBER
2006 HYUNDAI SANTRO
4 CYL
2WD
MANUAL
50,000 MILES

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?

Saturday, June 25th, 2011 AT 5:11 PM

3 Replies

KHLOW2008

MECHANIC
41,814 POSTS

Does the problem occur when CNG system is not used?

Is the CNG system after market?

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Saturday, June 25th, 2011 AT 9:16 PM

ALI.ALVI

MEMBER
54 POSTS

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?

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Tuesday, June 28th, 2011 AT 3:21 PM

KHLOW2008

MECHANIC
41,814 POSTS

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.

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Tuesday, June 28th, 2011 AT 7:54 PM