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Parents EL Revs Drop then Turns Off 

 

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 Post subject: Parents EL Revs Drop then Turns Off
Posted: Sat Dec 10, 2005 7:52 pm 
Getting Side Ways
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I dont know if the earlier posts had the same problem as me but heres another go.

My parents EL (Im glad its not my EF) Revs dont always stay at the correct rate.

Sitting at lights they might sometimes drop slowly and eventually turn off unless you tap the accelerator so that they can go back to 750rpm or what ever the norm is.

Its like im edging the guy next to me to drag. The Revs start dropping then i tap the accelerator and the car slightly launchs unless im pressing firmly on the break with the other foot.

Sometimes i start it and no problem it revs prefectly.
Then other times it doesnt want to stay on, i have to keep my foot on the accelerator so that the car doesnt turn off.

Ive heard that it might be the ISC? (Idle Speed Control)
But ive only heard that off 1 person so far.
This mechanic told me to 'teach' the car to stay at the correct revs, which i have been doing the past 2 months... not working... :roll:

i heard this is a problem on the EL's

can anyone help me with this if you have fixed it?
my parents want to keep the car coz its only 7 years old
but this is really annoying

 

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Posted: Sat Dec 10, 2005 7:55 pm 
Getting Side Ways
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firstly start by cleaning the ISC.. its easy and that willl eliminate one thing, does it do it all the time?
clean or replace airfilter, whats the fuel filter condition, fuel pump noisy? clean throttle body? reset ecu?
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Posted: Sat Dec 10, 2005 7:57 pm 
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8-) sounds like an ISC, they build up with carbon over time. ELs should only need to disconnect battery for 60s then reconnect and start up with all accessorys OFF, and let idle for a few minutes, then take for drive and use all accessorys! 8-)

 

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Posted: Sat Dec 10, 2005 8:24 pm 
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It does it ALMOST all the time

i just replaced the fuel pump about 1 month ago on the car coz the other one went kapoot

so ill have a look at the ISC and ill check out the rest

Thanks

 

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Posted: Sat Dec 10, 2005 8:28 pm 
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I wouldnt worry about cleaning the ISC probably just replace it. The motor tends to wear out not the dirt inside the housing stopping it from moving.
I changed one the other day on mates car and I cleaned it first but it was still stuffed because the motor was buggered. Get a new one.

 

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Posted: Sat Dec 10, 2005 9:10 pm 
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first thing to do is clean the throttle body, and than reset the ECU. The correct method for idle learning is
1. Idle no air in Park for 2min
2. Idle with a/c in park for 2 min
3. Idle in gear foot on brake A/C OFF for 2 min
4. idle in gear with A/C on for 2 min


2 minutes of each condition is the ECU learn time...
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Posted: Mon Dec 12, 2005 11:26 pm 
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what does it take to reset the ECU?

is that something i need a mechanic to do or can i do it?

i think we had this done a couple of months ago but then a month later went back to the same thing...

so would it be safer to get a new ISC, clean the throttle body and then reset and teach the ECU?

 

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Posted: Mon Dec 12, 2005 11:38 pm 
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resetting the ecu is easy to do yourself, just dis connect the battery go get a cup of coffee, and after some time, i gave mine a few hours, (watched a movie). then plug back in and do the process thatxcpression suggests. ^^^ two posts up.

hope that is helpfull.

 

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Posted: Thu Dec 15, 2005 8:52 pm 
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I'm having exactly the same problem with my AU Series 3 SR.. But 1 addition to the problems.. The car is cutting out underload when there is under half a tank of petrol in there (Never seems to happen when there is more than half)
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Posted: Fri Dec 16, 2005 12:39 am 
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ipk086 wrote:
I'm having exactly the same problem with my AU Series 3 SR.. But 1 addition to the problems.. The car is cutting out underload when there is under half a tank of petrol in there (Never seems to happen when there is more than half)


problem with yours is its an AU.. only kidding I have no real input.. I'll go now.

 

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Posted: Fri Dec 16, 2005 1:44 am 
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mine did this too till one day it stalled. turns out my coil when hot was shorting and not prroviding a healthy spark. needed coil and tfi module (thats what i paid for who knows what the dodgy mechanic did) its been ok ever since though

 

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Posted: Sat Dec 17, 2005 3:55 pm 
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yeah kinda sounds the same as when my fuel pump died. Revving and then the whole car shaking and nearly stalling
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