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 cold start problems
Author Message
trancer
Site Subscriber

Joined: 18 Jun 2004
Posts: 470

Posted: Fri Jun 10, 2005 5:42 am

my r19 1.8 rsi MPI seems to be having trouble starting from cold, and when it eventuly does start the idle is lumpy, and sounds as if its missing

any ideas

cheers Wink
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Fri Jun 10, 2005 5:49 am

yes, all together now..

"coolant temperature sensor!"
trancer
Site Subscriber

Joined: 18 Jun 2004
Posts: 470

Posted: Fri Jun 10, 2005 6:06 am

iv changed that twice now and iv still got the same problem Confused
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Fri Jun 10, 2005 6:08 am

only when cold?
trancer
Site Subscriber

Joined: 18 Jun 2004
Posts: 470

Posted: Fri Jun 10, 2005 6:17 am

its hard to start from cold but easy from hot, but its still lumpy hot or cold
Xvisor
Level 7 User

Joined: 06 Sep 2004
Posts: 230

Posted: Fri Jun 10, 2005 11:58 am

Are the plugs in good shape? This might be a probable cause!
trancer
Site Subscriber

Joined: 18 Jun 2004
Posts: 470

Posted: Fri Jun 10, 2005 3:24 pm

it has brand new plugs, iv also noticed that the car seems to be sluggish when its at normal running temp, it also hunts allot when in low gears
trancer
Site Subscriber

Joined: 18 Jun 2004
Posts: 470

Posted: Sun Jun 12, 2005 3:22 pm

well iv changed the ICV and CTS also MAP and the car is still hard ti start in the morning, when the car does finally start i have to keep the revs at 1.5k for about 10 seconds or the engine will die, im really not sure about this one

anyone else got anymore ideas
Xvisor
Level 7 User

Joined: 06 Sep 2004
Posts: 230

Posted: Sun Jun 12, 2005 3:52 pm

You could reset the ICU... although that probably ain't it.
schakal
Spammer

Joined: 27 Jul 2004
Posts: 5717

Posted: Sun Jun 12, 2005 4:49 pm

trancer wrote:
well iv changed the ICV and CTS also MAP and the car is still hard ti start in the morning, when the car does finally start i have to keep the revs at 1.5k for about 10 seconds or the engine will die, im really not sure about this one

anyone else got anymore ideas


you would not need to keep the revs up by foot under normal circumstances ,its all controlled by the ECU. sounds like an ECU related problem Rolling Eyes
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Mon Jun 13, 2005 1:05 am

wiring issue I would say or dodgy ICV

might be a blown ICV driver in the ECU but it would cause stalling when hot.
trancer
Site Subscriber

Joined: 18 Jun 2004
Posts: 470

Posted: Mon Jun 13, 2005 2:44 am

wel another update, changed the ICV, and the ECU along with dizzy cap and problem is still there. Crying or Very sad
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Mon Jun 13, 2005 2:46 am

what plugs are you running?
trancer
Site Subscriber

Joined: 18 Jun 2004
Posts: 470

Posted: Mon Jun 13, 2005 3:01 am

NGK from my local factors set to 0.90mm, the car seems to run nice after it gets worm, no problems with idle at all
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Mon Jun 13, 2005 3:08 am

try bunplugging the inlet air temp sender see if it makes a difference.
trancer
Site Subscriber

Joined: 18 Jun 2004
Posts: 470

Posted: Mon Jun 13, 2005 3:18 am

mm... ok il give anything ago at the moment

cheers
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