Mitsubishi Outlander Start Stall Idle Problems

Well I got the car back on saturday. The mechanic said they changed a coil and spark plug and this should solve the issue. It does seem to be driving better, we will see.

#15 of 17 Outlander 2005. RPM from 1000 till 4000 on its own by larsaksel

Feb 09, 2010 (7:41 am)

After driving for 15 min or more, then parking while leaving the engine on and the car idling for about 15 min the RPM will start to move upwards from 1000 till 2000 till 3000 and so on.
This has also happened when the car was driven at a very slow pace in hot weather.

Does anybody know why this happenes and what one can do about it?

best regards
lars aksel

Replies to this message:

fushigi (Feb 09, 2010 11:55 am)
- larsaksel (Feb 10, 2010 12:12 pm)

#16 of 17 Re: Outlander 2005. RPM from 1000 till 4000 on its own [larsaksel] by fushigi

Feb 09, 2010 (11:55 am)

Replying to: larsaksel (Feb 09, 2010 7:41 am)

Are you saying it revs up and up or that it pauses at each thousand?
If left alone does it go all the way to the red line/rev limiter or stop somewhere before?
Once it stops (red line or other), what happens next; does it stay there or go back down?
Can the behavior be stopped if you tap the gas pedal or do some other action?

As to why it happens, barring any Toyota parts in your Mitsu

I'd say there's a stuck sensor like throttle position (likely). Or the ECU is flaking out (less likely).

Replies to this message:

larsaksel (Feb 10, 2010 12:12 pm)

#17 of 17 Re: Outlander 2005. RPM from 1000 till 4000 on its own [fushigi] by larsaksel

Feb 10, 2010 (12:12 pm)

Replying to: fushigi (Feb 09, 2010 11:55 am)

heyas,

it pauses at say each 500, stays there for some time then goes up.
For going all the way to the red line, nope, most I had it too was 4,300-ish then I turned the engine off. This in itself doesnt help, but once I start to drive it at say around 60km/h for 10-15mins it will cool down.

Thanks for the tips as for why it is happening.

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