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chadix24_7
Occasional Poster


Location:
cebu city, philippines
Registered:
September 2004
jerking engine??? i don't know... Mon, 13 June 2005 15:27 Go to next message
good day! Very Happy

i have this problem of mine since like 7 months now...

let's say i'm crusing down the road and release the gas pedal, it feels like an engine break or something's hit you on the back or your bumper.

checked the tps and the voltage its OK, checked for vaccum leaks its OK, change fuel filter, cleaned the air filter, checked the spark plugs and wires its OK, timing is 10 deg.

engine is 7age... but the problem was still there before i did the conversion (was still 4age 1.6L)

hoping for your help.

thank you. Very Happy

[Updated on: Mon, 13 June 2005 15:32]

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Celica_John
Forums Junkie


Location:
Sydney
Registered:
May 2004
Re: jerking engine??? i don't know... Mon, 13 June 2005 22:32 Go to previous messageGo to next message
are the brakes dragging or catching on something? if you jack the car up can you freely spin the wheels?
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chadix24_7
Occasional Poster


Location:
cebu city, philippines
Registered:
September 2004
Re: jerking engine??? i don't know... Tue, 14 June 2005 02:44 Go to previous messageGo to next message
Celica_John wrote on Tue, 14 June 2005 08:32

are the brakes dragging or catching on something? if you jack the car up can you freely spin the wheels?


just checked the wheels as you said, they turn freely...

the rpm or engine speed will somewhat dive when release my foot of the gas pedal.

Crying or Very Sad
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Maurice c
Regular


Location:
Canberra
Registered:
February 2004
Re: jerking engine??? i don't know... Tue, 14 June 2005 03:19 Go to previous messageGo to next message
Maybe you could have a look at the engine mounts, could be knackered. ???
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negative boost
Regular


Location:
Hobart, TAS
Registered:
October 2004
Re: jerking engine??? i don't know... Tue, 14 June 2005 03:46 Go to previous messageGo to next message
Im no expert but it sounds like your drivetrain, the gearbox or diff are shot?
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chadix24_7
Occasional Poster


Location:
cebu city, philippines
Registered:
September 2004
Re: jerking engine??? i don't know... Tue, 14 June 2005 05:42 Go to previous messageGo to next message
Maurice c wrote on Tue, 14 June 2005 13:19

Maybe you could have a look at the engine mounts, could be knackered. ???


my engine mounts are 3 months old. bought them brand new. OEM quality.
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Celica_John
Forums Junkie


Location:
Sydney
Registered:
May 2004
Re: jerking engine??? i don't know... Tue, 14 June 2005 05:49 Go to previous messageGo to next message
what about the hand brake??!

go for a drive and see if any of the brakes heat up more than they should be.
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Adsport
Regular


Location:
Perth WA
Registered:
December 2003
Re: jerking engine??? i don't know... Wed, 15 June 2005 04:23 Go to previous message
are you using a fuel controller at all?
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