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Verified Tsikot Member
- Join Date
- Sep 2007
- Posts
- 64
May 1st, 2011 09:43 PM #1Hi guys,
I'm supposed to put this to fuel talk thread but i'm not yet sure.
-engine knock started after my third fill-up of petron unleaded. I used the fuel since the car arrived and because it's the closest proximity to my place.
-engine knock is very faint and usually happens at low speed 0-30 kph.
-engine knock happens when engine is already at normal temp. (hot) and when you feather the gas pedal (light press)
-engine knock is at worse when under heavy load, uphill or doing a sharp turn.
asked for advise from the experts and here are the things i tried first
1. tried a higher octane gas (XCS), still the knock persist.
2. tried BLAZE 100 - knocking seems to stop but fuel is so expensive and engine seems to be unusually erratic when starting in the morning (cold start)
-i went to hyundai casa to have it checked.
-casa was not able to find the problem but insisted there is something wrong with the fuel since the spark plugs are unusually corroded and moist.
-casa suggested to replace the spark plugs and fill-up the tank with SHELL unleaded.
CURRENT STATUS:
-filled up with SHELL unleaded (it's my third fill)
-i'm not sure what's with shell unleaded but knocking sound is almost none existent now but still manifest from time to time specially when conditions are right (stated above)
-still waiting for the arrival of the spark plugs.
-for the record, the cvvt engine is a little noisy in the morning, makes me feel i have a small diesel engine, but it becomes lesser as the engine becomes hotter. (is this normal?)
-I will keep you guys posted.
-Any feedback/comments will be highly appreciated.
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May 1st, 2011 09:55 PM #2
Good day sir! That sounds like a bad engine problem for a new car. Did you ever hear it even when the car was first driven out of the dealership?
Engine knock happens when the spark plug fails to ignite the fuel at the right time. This maybe caused by incorrect engine timing (which is unlikely since the Accent's engine timing is controlled by the ECU). The only thing I can think of is a faulty electrical connection. This can be caused by external forces. Try examining your engine bay carefully. Especially the wires that lead to the spark plugs. Rodents might be culprit to this.
Fuel should be the least of issues (at least since the car is new) as my 2009 GM City can burn any type of unleaded fuel you feed it with no engine knock whatsoever.
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May 1st, 2011 10:18 PM #3
Not the first time for the Accent....
http://tsikot.yehey.com/forums/showp...&postcount=229
http://tsikot.yehey.com/forums/showp...&postcount=234
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May 1st, 2011 11:02 PM #4
Both units are having 1.4L engines, one having an A/T and the other a M/T.
One lemon unit was acceptable, but now its two?????
Please keep us updated Sir on your unit, If you can please post a video of you car having the knocking sound will be more helpful for all accent owners...
I hope Hyundai will have an answer to this since it will surely affect their sales of the accent, since this is the second maybe 'lemon unit' of the accent posted here in tsikot. Ang nakaka alarma dito is napaka konti palang ng accent, at dalawa na kaagad ang apektado..................
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Verified Tsikot Member
- Join Date
- Mar 2006
- Posts
- 12
May 1st, 2011 11:21 PM #5actually.. make that three?
i read this a few days ago at hyundai-forums.com. i thought perhaps it was the same person who first posted about the knocking problems here in tsikot.
http://www.hyundai-forums.com/t62752...engine-bay.htm
I have a 12 day old Hyundai Accent 2012. I got the GL automatic transmission with a 1.4L engine.
I noticed a rattling sound inside the engine bay after a week of using the new ACCENT.
It rattles when the engine is at medium effort. Usually i hear this kind of rattling sound with my 20 year old Mazda, but with a 12 day old car? WHAT?!
Got it serviced with Hyundai but they think it's the unleaded gasoline that's causing it, but they don't recommend using the high octane one. Talking with the technicians there, a lot of 2012 Accent owners already came back to the shop to complain about their rattling sound in the engine bay and i was not the worse sounding one. They did'nt get mine fixed so as the other complainants, and they said that they will get back to us when they get a confirmation from their regional office on what to do with the problem.
I will record my rattling sound tonight by placing a small microphone inside the engine bay and post it youtube. Maybe Hyundai will notice. I even tried emailing Hyundai but of no effect for their site errors when you post problems.
I'm very dissapointed, I did'nt buy a second hand car to relieve myself of problems and still this is what i get(a BNEW - used car sounding engine car).
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May 1st, 2011 11:43 PM #6
sana mapost yung link sa youtube nung recording...
and sana maresolve kaagad ang problema dahil mabenta ang new model ng accent
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May 4th, 2011 04:50 PM #7
Good day mga bossing. Kala ko ako lang may problema sa knocking sound na yan. 1 month pa lang 1.4L MT accent ko, i believe mga 3rd week ko nasimulan narinig yung "topek" sound na yan, lalo na kung mag gi-gear change ako a higher level. ang tunog nya yung parang sa 2nd hand cars kapos sa power dahil naka low gear ka (inappropriate of that speed and weight). Maybe becaus i'm using Unleaded ng SeaOil. malapit kasi samin at the price diference of P1.80/L.
Paubos na rin to gas ko, i"ll fill it up to full with Shell unleaded. Then i'll be using same until 2nd week of May para pure Shell unleaded na lahat. If the knocking sound persist, then i have to have it checked sa casa.
i hope this resolves the issue. Akala ko nasira ko yata, kasi minsan when i shift to 4, pumapasok sya sa 2. Makakasira ba to mga bossing sa sitwasyon ganito? wrong gear shift. Minsan nga yung 1 pumapasok sa 3, namamatayan tuloy ako ilang beses. sobrang liit ba ng clearance ng gear shifting blocks, or its just me.
I appreciate any response from you mga bossing. Thanks a lot.
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May 2nd, 2011 10:00 PM #8
Labo naman nito. Entry level car na mapili sa gas?? Kaya nga nagsubcompact kasi matipid sa gas tapos mas mapapagastos ka pa pala sa gas.. If our gas isnt up to spec with the newer engines, e di dapat di nalang nila nilabas dito. They shoulve tested it first. This is their reason before for not introducing ung GDI engines diba? When they release new cars here, it should be given na they will run under local conditions.
I hope isolated case lang ito. If not sayang naman. Ganda pa naman ng Accent. And hope the elantra will be different.
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May 2nd, 2011 11:27 PM #9
Same thought here Sir, bakit pa inilabas dito ang mga accent kung ang pagbibintangan lang nila ay ang gasolina... PALPAK talaga....
Mas tatangapin kopa kung sasabihin nila na may problema ang makina, which of course they would not do... I hope this are isolated cases and pray that it won't happen on my unit....
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May 9th, 2011 11:29 PM #10
Same thing happened to my in-laws' brand new tucson last year. Hyundai made a refund. It seems may chamba ang hyundai sa mga brand new engines.
If you have problems, just email me at panyero.net*gmail.com if you want to seek refund from hyundai.
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