Anybody has similar experience? I replaced my glow plug 1 month ago. Then yesterday, bigla hard starting na. Tapos kaninang umaga, ayaw na umandar. Bakit kaya ang bilis napundi ng glow plug ko?
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February 21st, 2014 12:02 PM #1
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SobrangBilisMagType!
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February 21st, 2014 01:18 PM #2Have the circuit checked. The relay leading to the glow plug might not be turning off after you've started the engine. If the glow plug stays on the whole time the car is on, it'll fail pretty quickly.
Originally Posted by kasper
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February 21st, 2014 01:41 PM #3ano epekto sa engine operation kapag naiwang nakabukas ung glow plug? Originally Posted by niky
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February 21st, 2014 04:17 PM #4first, be sure na original ang glow plugs na nabili mu at hindi fake... there are a lot of fakes... 1 week lang sira na or even shorter. Originally Posted by kasper
second, try this, start your engine sa umaga, assuming na all glow plugs are working, there will be two scenarios kung kelan mag off ang glow plugs mo after starting;
1. the glow plug trigger is dependent on coolant sensor(hangat malamig pa coolant your glow plug will still be on) upon reaching normal temps, mag off na glow plug mo. " to test this put a test light sa terminal ng glow plug mo at check mo pag nasa normal na temp na ang engine ay dapat mawala na ilaw test light meaning off na ang glow plug"
2. you vehicle has a timer that controls the glow plug. ibig sabihin every time na start mo engine regardless nang engine temp ay mag o-off siya given a specified time... you can again use a test light conencted to your glow plug bar/terminal while you time it.
the longest i know is 15 mins at cold start... so dapat hindi na siya naka on after that..
*if your vehicle is equipped with a control unit, there could also be a chance that the control unit is malfunctioning already...
*the glow plug relay can also malfunction, an electrician can test this easily.
*the most common cause of glow plug failure is (considering na hindi fake ang unit)
1. over voltage
2. excessive glow time
meh mga substandard na NGK glow plugs out there...also some fakes.
personally merong 1 week/ 2 weeks/ 1 month sira na....
hit and miss ang pag bili.
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February 21st, 2014 04:23 PM #5Excessive glow plug 'On' time yan. Make sure tama ung reading ng temp gauge mo. Kapag lower than normal yan at laging nasa 1/4 lang ung temp reading, sira ung temperature sensor mo which also turns off the glow plug when a certain temperature is reached to prevent burn out.
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February 21st, 2014 04:24 PM #6Mabigat ang andar, ayaw humataw. Maybe due to the alternator not turning off. Basta, loss of power pero hindi maxadongg significant. Originally Posted by s10pao
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February 21st, 2014 04:25 PM #7glow plug main function is to help start the engine nang diesel when cold... Originally Posted by s10pao
and provide emission control during initial start up dahil mataas emission ng diesel during cold starts.
wala naman mangyayari masama sa engine operation per se kahit nakabukas indefinitely yung glow plug ( sana nga meh glow plug na kaya tumagal ng ganyan)
ang mangyayari eh masisira ang glow plug (pundi agad)...
and it will put a strain sa electrical system mo, because each glow plugs eat 10 amps each on average, times 4 glow plugs= 40amps, that's half of an alternator output...
and if your glow plugs, or any part of it breaks and drops to your combustion chamber it will be a catastrophic failure.
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February 21st, 2014 04:35 PM #8^how long from cold start bago bababa ang emission from cold start?
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February 21st, 2014 04:40 PM #9depende na siguro yan sa car make at design nang manufacturer... Originally Posted by crazy_boy
that's why pag nagpa emission test dapat nasa operating temp na ang engine...
unless pa test natin vehicle sa emission testing sa first start sa umaga.
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February 21st, 2014 04:42 PM #10 Originally Posted by SiRbossR
Originally Posted by miko101130
ah ok. naisip ko kasi baka magkaroon ng pre-ignition/knocking dahil dun sa additional heat ng glow plugs.
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February 21st, 2014 06:09 PM #11minsan kasi kahit operating temp na, it doesnt mean na "operating temp" na talaga yung engine. the motor oil might not be warm enough pa, etc. nagpa smoke emission kasi ako this week. mga 15 mins palang naka start yung FM. so bagsak. pagrev may black smoke. but usually wala naman black smoke FM ko. Originally Posted by miko101130
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February 21st, 2014 06:20 PM #12ikot ikot mu muna FM mo CB bago pa emission ahaha... pag medyo napapaso na kamay mo pag hinawakan mo cover radiator sure yun operating temp na yan... Originally Posted by crazy_boy
if you are after really good scores sa emission, change oil ka muna... gaganda results mo
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February 21st, 2014 06:27 PM #13less than 1k palang since change oil. dapat nga inikot ko muna mga 5km hehe mga 800m lang kasi emission center sa bahay so kahit kalahati na gauge, hindi pa talaga normal operating temp yun engine Originally Posted by miko101130
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Originally Posted by kasper
