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idle/stall probs... ef i6 5spd 

 

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 Post subject: idle/stall probs... ef i6 5spd
Posted: Thu May 04, 2006 1:52 pm 
Getting Side Ways
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Ride: BF MK11 XR 6 TURBO ZF 6spd

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NSW, Australia

ive got the stage 4 its engine with the stage 5 billet cam... =unichip.. my car had great idle quality... then my negative connection at the battery came a lil losse... car started s**t itself all of a sudden.. engine was f@rt/stalling headlights flashig on/off along with all the other dash lights... when i traced the prob to the loose negatve terminal i tightened it up n was all sweet.. but now since then my cars idle hunts now usual for a big cammed engine.. but it now wants to stall everytime i stop n put it into nuetral.. it hunts slightly norcal cam style but every 15 seconds the idle speed drops to 400rpmthen shoots up to 1000rpm then back down to 300rpm then 1100 rpm then stalls.. whats going on? has a sensor failed?? any help appreciated... :wink: its a hassle blipping the throttle to keep the engine running at the lights..even more so on a hill... :(

 

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Posted: Thu May 04, 2006 2:13 pm 
Getting Side Ways
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Will probably to do with unichip not liking the negative disconnection :shock: :roll:

 

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Posted: Thu May 04, 2006 2:16 pm 
Getting Side Ways
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Ride: BF MK11 XR 6 TURBO ZF 6spd

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did run a 14.4 at the drags lastnight though! so cant be not liking the slight disconnection that much.. lol... just the idle is crap n stalling.. still goes hard though..when actualy still running :lol:

 

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Posted: Thu May 04, 2006 2:49 pm 
Getting Side Ways
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fordfreak ef wrote:
did run a 14.4 at the drags lastnight though! so cant be not liking the slight disconnection that much.. lol... just the idle is crap n stalling.. still goes hard though..when actualy still running :lol:


14.4? NICE!!! :D
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Posted: Thu May 04, 2006 8:39 pm 
Getting Side Ways
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Ride: BF MK11 XR 6 TURBO ZF 6spd

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getting annoyed... stalled 7 times in 30 km from the city to home from work...

 

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Posted: Thu May 04, 2006 8:50 pm 
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Ride: Eb II 5 speed Wagon

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at the risk of getting flammed wildly isnt that what happens when you put a lumpy cam in anyways. you loose in one area to gain in another as with any mod. has its side effects?

 

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Posted: Thu May 04, 2006 8:52 pm 
Getting Side Ways
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fordfreak ef wrote:
getting annoyed... stalled 7 times in 30 km from the city to home from work...


I can totally empathise with you there mate :cry: mine is the same.
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 Post subject: idle prob
Posted: Thu May 04, 2006 9:02 pm 
Parts Gopher
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have you tried resetting the pcm so its knows where idle and full throttle are
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Posted: Thu May 04, 2006 9:04 pm 
Getting Side Ways
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NSW, Australia

definatly a prob... the car idled smooth for 7000km then the battery terminal came loose, i tightned it up n the car runs bad now... drives fast but stalls even quicker at idle lol...

 

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 Post subject: idle
Posted: Thu May 04, 2006 9:22 pm 
Parts Gopher
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try resetting the pcm its worth a try
start engine (dont touch the acclerator)
put foot on brake
select drive
do this for about a minute
turn engine off(leave gear lever in d)
turn key on to position 2(dash lights on)
hold acclerator pedal to floor for another minute
turn key off
put in park
start engine and see how idle is now
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 Post subject: Re: idle
Posted: Thu May 04, 2006 9:38 pm 
Getting Side Ways
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Ride: BF MK11 XR 6 TURBO ZF 6spd

Power: 225 rwkw

Location: glenwood/sydney
NSW, Australia

xr8man wrote:
try resetting the pcm its worth a try
start engine (dont touch the acclerator)
put foot on brake
select drive
do this for about a minute
turn engine off(leave gear lever in d)
turn key on to position 2(dash lights on)
hold acclerator pedal to floor for another minute
turn key off
put in park
start engine and see how idle is now
thanks for the help... but als, my car is a 5spd.. :wink: doesnt help does it... mayby i wil disconnect the battery for 5 mins to reset the ecu...

 

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Posted: Thu May 04, 2006 9:42 pm 
Getting Side Ways
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Age: 34

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Ride: BF MK11 XR 6 TURBO ZF 6spd

Power: 225 rwkw

Location: glenwood/sydney
NSW, Australia

this is the twist... it ran a pb lastnight... 14.4 @ 95.6 mph but at the same time driving around town it has a yoyo idle n stalls frequently.. whattha?! how can it be so extreme? fast but cant idle! :lol: mayby a sensor? cam angle sensor now has s**t itself and cant support the car at idle? or coil pack?

 

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 Post subject: idle
Posted: Thu May 04, 2006 9:45 pm 
Parts Gopher
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you should of said it was a manual
sounds good to me
its posible the pcm might have a head ache
or damage has been done to the pcm from voltage spikes
from having a loose bat terminal
lets me know how ya get on
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Posted: Thu May 04, 2006 10:22 pm 
Getting Side Ways
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Age: 34

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Ride: BF MK11 XR 6 TURBO ZF 6spd

Power: 225 rwkw

Location: glenwood/sydney
NSW, Australia

hhhmmmvoltage spikes... now thats a great theory.. may have haywired the ecu cos the connection come loose n the car was stalling n the headlights n all electrnic instrumentation was flashing on and off fast... but come good after 5 seconds...

 

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Posted: Fri May 05, 2006 1:31 am 
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just rest ur base idle and work form there.

 

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