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Message: <blockquote data-quote="speedoSTAR2099" data-source="post: 989444" data-attributes="member: 4774">jigc - About the TPS, on the day when i had it changed when i was hoping it could solve the idling problem, the mech did try it a few rounds, checking on the reading with the ohmmeter and readjusting the TPS position and it still doesn't do any good....but i'm not sure whether the mech is doing it right anot or does he place the TPS in the correct position....well, i'm not a DIY kaki, so i daren't do any fancy stuff to the car alone....later i might screw it up even more....hahaha....i'll try to ask my mech to check on the TPS again on my coming visit to him....by the way, thanks for the DIY link u attached....at least it does gimme some idea on how to check on the TPS....cheers buddy!~bullet 7037 - as for the fuel pump, i don't quite think is the culprit to my idling issue....but what the heck....might as well ask my mech to check for it too....hahaha....and my car's idling also goes haywire only when travelling long distances, it wouldn't happen if i was travelling on a short distance no matter if fast or slow....therefore, i suspected something related to temperature issues cause as i travel on long distances, the temperature would rise, then the 'thing' would create problem then....not so sure tho.....just my 2 cents....chinozie - sorry ye bro, what's an AFM and what does it do? Thanks for the article, i've read thru it, it gave me some extra pointers....zan - oh ya, now i know what's the air mass sensor is....cause i used to call it air flow sensor, then i thought it's a different thing then....hahaha....the air mass sensor is also in my highly suspected culprit list along with the O2 sensor....hahahaha....so, if the O2 sensor detects a lean reading on the air/fuel mixture, would it make my car 'mati engin' on idle? Due to the O2 sensor located at the exhaust system, therefore i am suspecting it as the main problem....cause like i've said before, the problem only exist on long distance travel....maybe the O2 sensor already 'half-dead', working at times and also taking a break at times...hahaha.....I've once taken the car to another mech which my friend is quite fimiliar with and the mech plug in a diagnostic reader to my ECU, and it displays two error codes, one for the TPS and another for the O2 sensor, therefore i've changed the TPS, and the mech unplug/off one of my two O2 sensor....so now currently, i'm not sure whether he unplug/off the faulty one or the working one....</blockquote>

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