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  #1  
Old 02-04-2009, 09:01 PM
tzulao tzulao is offline
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Default hyundai SF acceleration:4x2 CRDi

just want to ask those fellow SF owners if they are also noticing changes in their SF's acceleration.,.,.,I've been driving our SF for about a year now and have noticed that the acceleration is not like before when its still fresh from the casa that you can really feel your back against the seat when the pedal is floored regardless of the driving condition.,.,.,one example is running atleast 80kph and you applied breaks,after this you floored the pedal..,.,maliksi pa rin siya at sumusunod but i dont feel the same acceleration strength that i felt and get used to before when its still new,.,.,?

i have nothing against the SF coz' im really satisfied with its performance,i still can do about 200kph,.,.pero nagtataka lang ako bakit parang nawala na ang dating liksi niya na konting tapak lang eh sunod agad specially sa arangkada after breaking?,.,.,now parang may delays na? do you think thers a problem developing on our SF? Still we are not consulting our dealer about this.,.,

share something naman about your SF's is this a normal condition?
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  #2  
Old 02-04-2009, 09:41 PM
ghost recon ghost recon is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

many factors sir, probably:

1. your getting used to it, parang nasanay ka na sa acceleration nya. why don't you try other car for a week and then go back to your SF.

2. check you air filter, baka barado na yan and halos d na makahinga SF mo.

3. our SF is "fly by wire". there's no cable that is connected to the throttle. it might be that the mechanism for this needs cleaning or even replacement. got the same problem with my x-trail before where the casa replace the whole unit that controls the throttle.

4. is there a way to clean the "crdi"? injectors? there are lots of aftermarket injector cleaners that can be blended in diesel. you can do this everytime you have your preventive maintenance sched.

5. are you using different kind of fuel? if it's petron, then petron ka na lang. these companies do not have exactly the same formula for their diesel.

6. is the turbo gives away the right boost?

7. better yet, go to the nearest hyundai service center and have your SF check with their consult

have a nice day....
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  #3  
Old 02-05-2009, 08:10 AM
Gen. Miting Gen. Miting is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

after driving my SF for more than two years, i never felt that back against the seat while speeding experience.
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  #4  
Old 02-05-2009, 09:11 AM
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Default Re: hyundai SF acceleration:4x2 CRDi

Have the fuel injectors, fuel pump and filter checked. Performance of a direct injection diesel can degrade over time due to poor fuel.
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  #5  
Old 02-05-2009, 04:00 PM
tzulao tzulao is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

thanks for the insights guys.,.,.,ill have it check to pag nagpa pms ako,.,.,

gen. miting; when your driving your SF baka naman hindi ka nakasandal, in that way you really will not be able to feel your back against the seat hehehe.,.,.peace
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  #6  
Old 02-06-2009, 04:03 AM
nels76 nels76 is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

After logging 18,000kms on my SF, nararamdaman ko pa din ung napapasandal ako sa upuan pag medyo napapapitik si Santa Fe lalo na pag Stop and Go in a traffic jam. Usually it happens pag medyo napapadiin ako ng apak sa accelerator especially pag ung safety shoes ko ang gamit while driving.

By the way, 98% of the time, I am using Petron Diesel Max since I acquired my SF at dito ako nag paparefuel sa may Petron SLEX bago mag Vito Cruz Makati. Bago lang ung Gasoline Station na yon (more or less 3 years pa lang) kaya I believe malinis ang fuel nila.
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  #7  
Old 02-06-2009, 07:52 AM
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Default Re: hyundai SF acceleration:4x2 CRDi

@nels76

OT: I think clean diesel is not about getting it from a new gas station. Clean diesel is low sulfur diesel. And the diesel e have here in RP has very high sulfur content. Why? Because refining clean diesel is expensive. If we get Euro standard diesel for sure diesel will be more expensive than even 95 octane gasoline. Politically speaking its almost impossible since we still use backwater jeepneys for public transpo which uses backwater diesel engines (non-CRDi) who always demand cheap diesel regardless on its impact to the environment. Unfortunately we private users in a way subsidize the public users.
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  #8  
Old 02-06-2009, 12:28 PM
nels76 nels76 is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

^^ Dude, Thanks somehow for the clarification.

What I actually meant by clean is free from impurities caused by aging facility like storage tanks, pumps, and free from water contamintation as well. At least with new gasoline stations, medyo tiwala ako na malinis pa facility nito.

But you got a point in the Sulfur Content though. Thanks.
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  #9  
Old 02-06-2009, 12:50 PM
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Default Re: hyundai SF acceleration:4x2 CRDi

Quote:
Originally Posted by nels76 View Post
^^ Dude, Thanks somehow for the clarification.

What I actually meant by clean is free from impurities caused by aging facility like storage tanks, pumps, and free from water contamintation as well. At least with new gasoline stations, medyo tiwala ako na malinis pa facility nito.

But you got a point in the Sulfur Content though. Thanks.
Water is the number one problem with Philippine diesel. It's easy to get water contamination in old tanks or in tanks in low-lying areas.

Once tested a diesel which ingested water... went into limp mode every time I pressed hard on the gas pedal... ...later learned that the station I filled at (Shell Marikina) was in a low-lying area that used to see constant flooding.

Other test units? Loss of power due to clogged fuel filters or dirty injectors... but it's random... I guess it depends on where the previous tester filled with diesel.

Ingat-ingat lang kayo, peeps.
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  #10  
Old 02-06-2009, 03:22 PM
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Default Re: hyundai SF acceleration:4x2 CRDi

Agree ako kay Sir Niky! Kaya nga ako I look for gasoline stations na nasa higher elevation at hindi binabaha! Yung shell sa the Fort, yun mataas dun or di kaya yung mga gasoline stations sa may greenhills area!
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Originally Posted by niky View Post
Water is the number one problem with Philippine diesel. It's easy to get water contamination in old tanks or in tanks in low-lying areas.

Once tested a diesel which ingested water... went into limp mode every time I pressed hard on the gas pedal... ...later learned that the station I filled at (Shell Marikina) was in a low-lying area that used to see constant flooding.

Other test units? Loss of power due to clogged fuel filters or dirty injectors... but it's random... I guess it depends on where the previous tester filled with diesel.

Ingat-ingat lang kayo, peeps.
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  #11  
Old 02-06-2009, 07:30 PM
ghost recon ghost recon is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

Quote:
Originally Posted by LadyRider View Post
Agree ako kay Sir Niky! Kaya nga ako I look for gasoline stations na nasa higher elevation at hindi binabaha! Yung shell sa the Fort, yun mataas dun or di kaya yung mga gasoline stations sa may greenhills area!
actually its not that the station is low lying and is prone to flooding that causes water to sip-in, maybe some but not as we ought to think literally.

diesel tanks (not your car tanks), when not filled up to the rim usually creates moisture resulting from change in temperature and this moisture usually settles at the bottom. in the process of refilling, some of this accumulated water may go to our car's tanks and may also go to our injectors. this is why our engine is equipped with fuel filter with water separator.

my advice is not to wait the alarm light that informs that there's too much water in the filter. have the filter drained every time the car gets serviced and replaced as soon as the filter reaches its life. this act alone will save the precious crdi.
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  #12  
Old 02-07-2009, 11:11 AM
tzulao tzulao is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

agree,.,.,dapat nga talaga frequent checking in our fuel filters and replace whenever needed every pms sched.,.,.but in my case hindi ko kasi binabantayan ang SF pag nagpapa pms me,.,.siguro next time dapat bantayan ko na para mas alam ko kung ano mga ginagawa nila.,.,.our SF already has about 30-31k on the odo,and in this age ko lang nafeel ung parang delays sa acceleration niya.,.,
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  #13  
Old 02-08-2009, 01:28 AM
Gen. Miting Gen. Miting is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

been driving in sports mode in bumper traffic, long drive and even parking, kaya never ko talaga na-experience yan sinasabi nyo even if i gas up now at shell stations in low lying areas with 25.xx/liter diesel.

i'm not really an automatic type of person. ginagamit ko lang yun pag nag-drive thru and kakain

and also even when shifting i dont feel the back against the seat experience kasi kamado ko talaga ang makina nya. my other alternative is also an suv with M/T transmission kaya siguro sanay ako.

yun starex namin A/T lang, yun dun ka na-feel loss of power but i always though it's bec it has a big butt

baka naman oblong na or uncalibrated na gulong mo. sa crv ko kasi na-feel ko yan noon, piki eh hehehe
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  #14  
Old 02-08-2009, 12:14 PM
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allanctan allanctan is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

Quote:
Originally Posted by ghost recon View Post

my advice is not to wait the alarm light that informs that there's too much water in the filter. have the filter drained every time the car gets serviced and replaced as soon as the filter reaches its life. this act alone will save the precious crdi.
Ibig po bang sabihin ndi SOP sa casa na magcheck ng fuel filter? Dapat sabihan pa sila? I guess I need some education on PMS para mabantayan maigi...
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  #15  
Old 02-08-2009, 12:48 PM
ghost recon ghost recon is offline
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Default Re: hyundai SF acceleration:4x2 CRDi

Quote:
Originally Posted by allanctan View Post
Ibig po bang sabihin ndi SOP sa casa na magcheck ng fuel filter? Dapat sabihan pa sila? I guess I need some education on PMS para mabantayan maigi...
most of the time, yes. they only refer to the maintenance manual for schedule what parts to be replaced.
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