2005 Hyundai Santro Hiccups on low revs

2005 HYUNDAI SANTRO
62,000 MILES • 1.1L • 4 CYL • FWD • MANUAL
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NIMROD4U
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She hiccups at low rpm, its like a low category misfire where the engine jerks a bit (even when revved in neutral gear)

The problem disappears at high revs

My friend doubts ignition coil (she has dual coil, 1 for 1 and 3 n the other for 2 and 4...i guess). He advised to get her hooked to OBD2 and confirm. I dont have access to the same.

She's got new plugs, new airfilter and i just used a ABRO injector cleaner on a full tank fuel. Used half tank and topped it again (just to dilute the injector cleaner)

I am good with single cylinder bikes (2 stroke and 4 stroke) but amature with cars

Please advise and help
Jan 12, 2014 at 6:18 AM
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HMAC300
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we dont' have that car in U.S. so don't have any info but scan for codes and check fuelpressure with agauge.
Jan 12, 2014 at 8:26 AM
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BHUVANRALHAN
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This might be due to non working of one of the spark plugs or cables that carry spark from spark plugs to engine pistons.
Feb 14, 2014 at 1:45 PM
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