QUOTE(davidke20 @ Nov 12 2012, 07:27 AM)
From what I'm looking at, your car does not have an external fuel regulator at the fuel rail, it's an FLX. It is IAFM+, not IAFM. According to some senior member, IAFM+ were made stronger compare to old IAFM module that always picah 
IAFM rosak render the sound "tub tub tub tub tub" from the right side of the intake manifold, where the PURGE VALVE located.
The same car as above, after repaired the rosaked IAFM, only rendered the similar tepet sound like minor "tak tak tak tak tak" sound on the rocker cover.
A more effective way you can identify is:
1) If can hear loud tak tak tak tak tak sound, at this point means the exhaust valve lifter bising, go claim warranty
2) If can hear loud tak tak tak tak tak sound, at this point means the intake valve lifter bising, go claim warranty
3) If can hear loud tub tub tub tub tub sound, at this point means the purge valve sudah koyak, go claim warranty
However, for 1 & 2 is insignificant. Replace or not replace does not really helps to eliminate the noise, its just the way how hydraulic valve lifter works. When enough lubricants, no noise. When not enough lubricant, especially cold start, aircon compressor kicks in, these are the time most car will have loud valve lifter noise. If you think your car is loud, try those Honda B16/B18 series engine, also not forget Plotong Pugra & Wigra 1.8 with 4G93 engine, their valve lifter is much louder than most yellow black diesel taxi.
IAFM rosak render the sound "tub tub tub tub tub" from the right side of the intake manifold, where the PURGE VALVE located.
» Click to show Spoiler - click again to hide... «
The same car as above, after repaired the rosaked IAFM, only rendered the similar tepet sound like minor "tak tak tak tak tak" sound on the rocker cover.
» Click to show Spoiler - click again to hide... «
A more effective way you can identify is:
» Click to show Spoiler - click again to hide... «
1) If can hear loud tak tak tak tak tak sound, at this point means the exhaust valve lifter bising, go claim warranty
2) If can hear loud tak tak tak tak tak sound, at this point means the intake valve lifter bising, go claim warranty
3) If can hear loud tub tub tub tub tub sound, at this point means the purge valve sudah koyak, go claim warranty
However, for 1 & 2 is insignificant. Replace or not replace does not really helps to eliminate the noise, its just the way how hydraulic valve lifter works. When enough lubricants, no noise. When not enough lubricant, especially cold start, aircon compressor kicks in, these are the time most car will have loud valve lifter noise. If you think your car is loud, try those Honda B16/B18 series engine, also not forget Plotong Pugra & Wigra 1.8 with 4G93 engine, their valve lifter is much louder than most yellow black diesel taxi.
» Click to show Spoiler - click again to hide... «
after lunch will test my car again...right now just wake up..lol
i think mine is fine...cos i oso believe that iafm problem only happen for old batch blm...all youtube video shows blm only have that problem..just im takut because the sound is the same..only mine is more halus one..tq yaa unker..if u dont comment haa..i already gone to sc..make complain..lol
Nov 12 2012, 01:15 PM



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