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Message: <blockquote data-quote="wildboar" data-source="post: 416639" data-attributes="member: 3487">me running on 0.8bar...lately for the past week or so..my car cannot 'go' like it used to...when i whack the throttle, as the rpm climbs, the car will jerk or semput when it reaches say abt 4-5k rpm...was running fine previously...a bit difficult to describe..its like this (i illustrate by using the sound fr exhaust):prraaaaaaaaaaaa (until abt 4-5k rpm) pa-pa-pa-pa-pa (here it starts to jerk)...sumthin like this la...car doesnt actually jerk...but like not enuf fuel supply...i dun think its anythin to do wif turbine cos boost meter shows the boost level at 0.8bar...im thinkin it has sumthin to do wif ignition or perhaps fuel supply..just washed my t/b last 2 wks...so wat could be causing this eh?? this is wat im thinkin...1. need to change spark plugs (still using plugs & plug cables which came fr h/cut)2. not enuf fuel?? i dun think its this unless fuel pump kong...3. injectors clogged??4. any other possibilities??question:1. wat brand of cold plugs (7) are recommended?? n wats the price like eh??2. in case not enuf budget for cold plugs, wat others would be recommended?? bosch super 4 good enuff?? or iridium plugs??</blockquote>

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