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royact
25-02-2009, 06:52 PM
We have a TH 3.5 litre Advance auto sedan which has developed a problem whereby the engine cuts out intermittently. There is no apparent pattern to the cutting out - the engine will sometimes just die without warning when stopped at traffice lights, for example, and sometimes will mis-fire when driving and then start up again. After cutting out the car will alawys start up immediately. Sometimes the car will run for days without stalling and then will do it 3 or 4 times in quick succession.

We have had it at our local Mitsubishi dealer twice and the first time they cleaned the throttle body and air intake tubing and re-set the idler stepper motor and the second time they hard wired the key reader antenna wires and both times gave it a full diagnostic checkover and discovered nothing. Typically the car has never cut out while the mechanics had it.

I think they've given up on it and I suspect they think I'm making it all up, but it's a very scary experience when you're driving at 80 kph in bumper to bumper traffic and your car engine simply dies on you.

Anyone have any thoughts or suggestions that I can go back to the mechanics with?

(PS. This is my first post so I hope I've included all the necessary information.)

Mr_Roberto
25-02-2009, 06:54 PM
how long ago was your battery replaced?
oh and welcome to the club :D

JarRah
25-02-2009, 07:02 PM
We have a TH 3.5 litre Advance auto sedan which has developed a problem whereby the engine cuts out intermittently. There is no apparent pattern to the cutting out - the engine will sometimes just die without warning when stopped at traffice lights, for example, and sometimes will mis-fire when driving and then start up again. After cutting out the car will alawys start up immediately. Sometimes the car will run for days without stalling and then will do it 3 or 4 times in quick succession.

We have had it at our local Mitsubishi dealer twice and the first time they cleaned the throttle body and air intake tubing and re-set the idler stepper motor and the second time they hard wired the key reader antenna wires and both times gave it a full diagnostic checkover and discovered nothing. Typically the car has never cut out while the mechanics had it.

I think they've given up on it and I suspect they think I'm making it all up, but it's a very scary experience when you're driving at 80 kph in bumper to bumper traffic and your car engine simply dies on you.

Anyone have any thoughts or suggestions that I can go back to the mechanics with?

(PS. This is my first post so I hope I've included all the necessary information.)

Just a though cause you mentioned misfire. I used to have a TF that would have considerable misfire problems when accelerating. In the end it turned out to be the distributer. Just and idea for something you might look into.

royact
25-02-2009, 07:08 PM
We replaced the battery in March 2008.

The car doesn't particularly miss on acceleration. In fact, the car runs beautifully, with no loss of power or any other apparent symptoms, except for the cutting out problem.

Mr_Roberto
25-02-2009, 07:19 PM
i would give another battery a try
replacing the battery may fix the problems you are having, cause once the voltage drops too low the ECU cuts out the engine making the car stall
probuley a good idea to get your battery tested at a battery shop or something

royact
25-02-2009, 07:34 PM
Thanks. I'll give the battery a go. We got it from the NRMA and it's guaranteed so hopefully they can come out to test it.

Cheers