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Car Jerks When Taking Off

asanka424

Asked by asanka424,

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asanka424 Newbie

asanka424

Posted
Posted

Hello experts,

My car is having a symptom of shaking/jerking when taking off from a stop. Sometimes it feels that car might be stalling. Any ideas or experience in this kind of problems? Apart from jerking thing car runs nicely. No misfires. I have changed my spark plugs and injectors have been cleaned. Air filter is also changed.

Can a clogged fuel filter cause this type of problem?

Please share your experiences and advices.

Thanks.

Asanka

44 answers to this question

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  • 0
Schiffer Newbie

Schiffer

Posted
Posted

i kinda have the same problem, specially when i take the foot off the break (auto),

i always thought its becouse the engine is a bit slow or something,

but mine aint jerking off much, just a bit slow and vibrates a bit.

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VVTi Newbie

VVTi

Posted
Posted
,

but mine aint jerking off much, just a bit slow and vibrates a bit.

Do you get this all the time or only when you are in a tightly packed bus?

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heavyD Newbie

heavyD

Posted
Posted

Do you get this all the time or only when you are in a tightly packed bus?

Ahahahaha.... I knew it was only a matter of time the moment I saw the topic heading. :D

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asanka424 Newbie

asanka424

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Posted

i kinda have the same problem, specially when i take the foot off the break (auto),

i always thought its becouse the engine is a bit slow or something,

but mine aint jerking off much, just a bit slow and vibrates a bit.

mine is a manual one. And yes engine shakes little bit when idling. Idle cannot set manually, it has a IAC.

  • 0
nexus Newbie

nexus

Posted
Posted

Hello experts,

My car is having a symptom of shaking/jerking when taking off from a stop. Sometimes it feels that car might be stalling. Any ideas or experience in this kind of problems? Apart from jerking thing car runs nicely. No misfires. I have changed my spark plugs and injectors have been cleaned. Air filter is also changed.

Can a clogged fuel filter cause this type of problem?

Please share your experiences and advices.

Thanks.

Asanka

if these happen when ac is on or off?

  • 0
Schiffer Newbie

Schiffer

Posted
Posted

;)

oh **** that really looks bad :lol:

Do you get this all the time or only when you are in a tightly packed bus?

most of the time :lol:

god even im laughing reading my own comment now :alc:

  • 0
asanka424 Newbie

asanka424

Posted
  • Author
Posted

if these happen when ac is on or off?

Actually I checked that. When AC is on engine vibrates more and when AC is off engine vibration is less. any way the jerk is still there when AC is off but it is in the manageable/comfortable level. I have a data scanner(cheap one from ebay) and I can check sensor data and ECM calculations. But everything seems normal.(at least for me).

one more thing. When car is idling I have AC compressor clutch engaging disengaging at about 20s intervals. I think this is normal since AC controller trying to keep the set temperature inside.

  • 0
Schiffer Newbie

Schiffer

Posted
Posted

Actually I checked that. When AC is on engine vibrates more and when AC is off engine vibration is less. any way the jerk is still there when AC is off but it is in the manageable/comfortable level. I have a data scanner(cheap one from ebay) and I can check sensor data and ECM calculations. But everything seems normal.(at least for me).

one more thing. When car is idling I have AC compressor clutch engaging disengaging at about 20s intervals. I think this is normal since AC controller trying to keep the set temperature inside.

may i know whats the car?

i kinda had the same problem with my old EE103, that actually came from a broken engine mount though

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asanka424 Newbie

asanka424

Posted
  • Author
Posted

may i know whats the car?

i kinda had the same problem with my old EE103, that actually came from a broken engine mount though

It is hyundai Elantra 1.6 year 2000. Actually I had to change the engine mount (near gear box) I think it went bad due to this jerk or vibration.

  • 0
Sifaan Newbie

Sifaan

Posted
Posted (edited)

one more thing. When car is idling I have AC compressor clutch engaging disengaging at about 20s intervals. I think this is normal since AC controller trying to keep the set temperature inside.

that's not normal; climate control will turn the compressor on off as needed, but not so rapidly. so you should get it checked out.

Edited by Sifaan
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nexus Newbie

nexus

Posted
Posted (edited)

Actually I checked that. When AC is on engine vibrates more and when AC is off engine vibration is less. any way the jerk is still there when AC is off but it is in the manageable/comfortable level. I have a data scanner(cheap one from ebay) and I can check sensor data and ECM calculations. But everything seems normal.(at least for me).

one more thing. When car is idling I have AC compressor clutch engaging disengaging at about 20s intervals. I think this is normal since AC controller trying to keep the set temperature inside.

when ac is on car idles ok or it vibrate and rpm drop below 450?

Edited by nexus
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Schiffer Newbie

Schiffer

Posted
Posted

It is hyundai Elantra 1.6 year 2000. Actually I had to change the engine mount (near gear box) I think it went bad due to this jerk or vibration.

hmmmm i guess you need to speed up the engine a bit then (from a proper machanic)

and plz stop using the work jerking :action-smiley-060:

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asanka424 Newbie

asanka424

Posted
  • Author
Posted

hmmmm i guess you need to speed up the engine a bit then (from a proper machanic)

and plz stop using the work jerking :action-smiley-060:

changing the idle is not an option since its set by ecu with IAC valve. Okay I will stop using that word.

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asanka424 Newbie

asanka424

Posted
  • Author
Posted

that's not normal; climate control will turn the compressor on off as needed, but not so rapidly. so you should get it checked out.

hmm. well AC is working. So this means low gas or high gas?

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serialkiller Newbie

serialkiller

Posted
Posted

mates.

I got the same problem since last Thursday.

Mechanic says , it's becos of the bad fuel. and he did some cleaning on fuel system.

and asked me to fill up the petrol with 95 octain.

when did this hapens I got 3/4 tank with 90 octain.

and for the issue, it's still have but not like earlier. it's happens only on idle.( some time engine shut down )

and now i am wondering about engine mount issue. I mean as i remember I think I got bad mount near gear box.

Any thoughts?

Thanks.

  • 0
TheClutch Rookie

TheClutch

Posted
Posted

im also feeling some jerks and shaking while idle and take off...may be the bad fuel..and i pumped xtra premium at ioc and feel less shakings donno whether its correct..hoping to see my mech if it is going to continue

  • 0
CyRaX Newbie

CyRaX

Posted
Posted

i kinda have the same problem, specially when i take the foot off the break (auto),

i always thought its becouse the engine is a bit slow or something,

but mine aint jerking off much, just a bit slow and vibrates a bit.

:lol::lol: lol

  • 0
nexus Newbie

nexus

Posted
Posted

No No, Engine RPM stays about 750/850. It is the vibration that changing.

i thinks it has some thing to do with your mounts check both engine and gear mounts and do you change your petrol filter recently?.

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