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> Help! Fto Loses Power After It Warms Up, Torgue converter?????
jims fto
post Feb 25 2009, 03:31 AM
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Hi Guys.

I'm new to these forums and have just bought an fto Gr tiptronic. I'm so happy with the car and was suprised how fast it was for its age. Anyway I had a problem the other day...I had been out in the car for about 45 minutes and i noticed when i was in first gear of the 4 i lost power. The engine revs wildly like it should but the power isnt transmitted to the wheels or the drive shaft as it may be. i dont know alot about how the drive train works in automatics, but a friend mentioned something about it possibly being the torque converter, if this is a friction clutch then i suppose it would make sense. Would it be expensive?

I have also experienced the key occasionally getting stuck in the ignition but thanks to another post i think i'll be able to fix it.

After leaving the lights on my car the other day the engine started squeeking, i thought this might of been the fan belt straining due to the extra load on the alternator but again im not very familiar with cars engines so im not sure.

Finally, my fto has the multi changer in the armrest but the internals that hold the cd's isnt present. Would anybody be able to help me locate one?

Thanks alot guys, hope you can lend your expertise.
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KiT TeUnG 2549
post Mar 2 2009, 01:59 PM
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Okies Yu have a 95 GR with INVECS , with a StepTronic manual shift gate capable right(or tiptronic as yu refer to it) The TQ convertor is not a friction clutch. The 1-4 and over run set of clutches in the transmission are friction. The TQ convertor is basically a big circulating drum with 2 invers set of impellers that transmission fluid swirl around and then get recentered thru teh center and out to the gear sets. An aged or failing TQ converter will make noise or in most Mitsubishi's just stop operation of the transmission.

One things , a restricted catalytic converter can cause this issue. Especially after it warms up/heats up. In many cases it flows well under lighter loads but not under higher loads when RPM ranges are higher and quick , causing a "strain" and the vehicle seems to be "holding " back. Also If the transmission has not been serviced , this can be the case. if the transmission filter and oil is dirty. And the filter , especially after warming up has pulled in all the debris in the oil and it has compiled on the screen of the filter making it hard for fluid to pass thru, especially at higher rpm ranges when the flow rate is high. And when it cools the debris and everything rest settles in the base of the transmission again until driven for a bit. One other thing can be a clogged or restricted fuel filter. It will in many aspects do the same thing as a restricted transmission filter and hinder the performance.

On first start up even tho having a restriction , the fuel filter has most of the debris settles in the lower portion until after driving a while when the fuel pump pressure moves it up into the passage restricting pressure. Thus hindering fuel pressure and also fuel pump performance. Also causing the fuel pump to get hotter than usually and thus not putting out max pressure, as especially needed for max performance
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jims fto
post Mar 3 2009, 02:14 AM
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Thanks alot for your help, thats a load of information i can take to my garage. Hopefully it is just a filter.

I'll post the cause when its found due to your help.

Thanks again, you truly are an expert
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KiT TeUnG 2549
post Mar 3 2009, 09:32 AM
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No problem , i hope that yu get it sorted out
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jims fto
post Mar 23 2009, 06:10 AM
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QUOTE (KiT TeUnG 2549 @ Mar 3 2009, 10:32 AM) *
No problem , i hope that yu get it sorted out



well i took my fto to a local garage and they returned it saying they couldnt find anything wrong with it. I started running it on shell v power and i'v had no problems since. so im guessing what ever was slowing down the engine has finally passed through. I'm over the moon and appreciate your efforts.

thanks again
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KiT TeUnG 2549
post Mar 24 2009, 08:39 AM
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Like i say , it could have been fuel delivery related . Also yu should run premium petrol on this engine because of the higher compression ratio than most engines. Replacing the fuel filter is always a good way to go.
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