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Verified Tsikot Member
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- Dec 2007
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- 16
January 7th, 2008 03:43 PM #1Bkit po kaya kapag sabay sabay bukas ng aircon at headlight ang rpm ko bumababa ng 500. At kpag magstop n galing s andar bumabagsak ng 100 parang mamatay n yung makina tapos babalik ulit ng 500 kapag naka stop n. Pero kapag walang aircon at ilaw saktong 900 rpm at ang ganda manakbo. Please help thanks.
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January 7th, 2008 03:51 PM #2
Use of AC: Turns on compressor -> puts load on engine (should have idle-up function though) -> RPM drop
Use of headlamps: Turns on headlamps, tail lamps, interior lamps -> puts load on alternator -> puts load on engine -> RPM drop
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January 7th, 2008 03:58 PM #3
pa check mo Idle Air Controller Valve/Idle-up mechanism sir with a trusted shop.
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January 7th, 2008 04:14 PM #4
Kapag there is additional load from the compressor and/or alternator, the engine should increase it's idle speed, if not, baka mamatay ang makina. Kung di tumataas ang RPM, have hour engine checked.
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January 7th, 2008 04:32 PM #5
nakku mahirap patinuin yan ganyan yung sa corolla ko ngaun eh lahat ata nasubukan ko na ganun pa din buti n lang sanay ako mag drive ng manual at mabilis ang paa ko
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Verified Tsikot Member
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- Jul 2006
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- 52
January 7th, 2008 07:21 PM #6have your throttle body and IACV cleaned first then check if it solves the problem..
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January 9th, 2008 05:55 PM #7
oo nga sir bka yun idle-up valve di na gumagana, it should engage whenever the aircon compressor starts-up to bring up the engine rpm
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Verified Tsikot Member
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January 9th, 2008 06:20 PM #8Maraming salamat po s mga nagreply... Bk dalhin ko n lng s speedyfix this saturday. I have read from another thread n naayos ni mr speedyfix yung tsikot nya by cleaning the TB and iacv. Tanong ko n lng mga magkno kaya gagastusin ko s pagpapalinis nito??? Thanks
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Tsikot Member Rank 5
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- Nov 2003
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January 13th, 2008 12:37 PM #9cleaning does not always solve the problem pero mga 70% of the time it does.
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Verified Tsikot Member
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January 16th, 2008 03:01 PM #10Update ko lng tong thread napalinis ko n yung TB at inadjust n yung idle up s speedyix medyo di n sumasagad ng pagbagsak yung rpm ko thanks... pero bumababa p rin sya kpag sabay n bukas ang headlight at aircon ano p kayang pwede ko patignan?
no aircon no headlight - rpm 900-1000 irevolution mo ok rpm
aircon open no headlight - rpm mga 800-900 irevolution mo ok p rin rpm.
headlight open no aircon - rpm mga 700-800 at kapag nirevs mo umaabot p ng 500 yung bagsak ng rpm.
Ano p kaya problem nito? TIA
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