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Mitsubishi Outlander Engine and Performance Problems

101 messages,  Last post on Nov 23, 2009 at 8:21 AM

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What is this discussion about? Mitsubishi Outlander, Engine, SUV

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#97 of 101 Re: Pull away noise [bozzy1] by piast Mar 27, 2008 (5:02 pm)
Replying to: bozzy1 (Mar 27, 2008 3:05 pm) See my reply in other tread, where you have asked the same Q. It is ABS self test. Replies to this message: bozzy1 (Mar 27, 2008 5:38 pm)
#98 of 101 Re: Pull away noise [piast] by bozzy1 Mar 27, 2008 (5:38 pm)
Replying to: piast (Mar 27, 2008 5:02 pm) Thanks so much piast.
#99 of 101 Snake Oil? by comem47 Nov 23, 2009 (5:56 am)
I spotted this on Ebay while looking for Service Manual CDs.   http://tinyurl.com/outie-chip   First off, I can't believe it wouldn't violate factory warranty. When you read claims like this one wonders if you'll ever need to put gas in your vehicle again!! Replies to this message: fushigi (Nov 23, 2009 7:45 am) comem47 (Nov 23, 2009 8:21 am)
#100 of 101 Re: Snake Oil? [comem47] by fushigi Nov 23, 2009 (7:45 am)
Replying to: comem47 (Nov 23, 2009 5:56 am) Replacement ECUs are nothing new. They fiddle with the timings and do other tweaks to get more HP or torque. Typically, one comes at the expense of the other and things like emissions almost always suffer. If you live in an area with emissions testing or if you care about the eco-impact of vehicular emissions I'd say stay away. One of the main reasons these things can work at all is that from the factory the ECUs are programmed to strike a balance between emissions & power. The 3rd party ECUs can loosen up or remove those emissions restrictions, freeing up the power but fouling the air you breathe at the same time.   I would also strongly doubt that a 3rd party ECU would not invalidate warranty coverage. Of course, should you blow your engine or trans up you could swap in the original ECU before attempting to make a warranty claim. But given the potential for internal logs this might not do any good. Go tot he source before you invest: Call the vehicle manufacturer (not the local dealer) and ask. Or RTFM on your warranty.   Also, reality check time: How much can changing the engine affect economy when there's no corresponding change to the trans, especially to things like gear ratios. One or two MPG I could buy, but 10-15 more MPG (representing a better than 50% boost)? I don't think it's possible. And if you add 50 HP and/or 50 lb-ft of torque, what's going to be the impact on the rest of the powertrain. The trans gears might not be able to take the added strain of harsh acceleration (which is the real benefit you're after when replacing the ECU).   Pure snake oil? No. You can get some improvements in performance from the chips. Just don't count on anything drastic and realize there's no such thing as a free lunch. Replies to this message: comem47 (Nov 23, 2009 8:21 am)
#101 of 101 Re: Snake Oil? [fushigi] by comem47 Nov 23, 2009 (8:21 am)
Replying to: fushigi (Nov 23, 2009 7:45 am) That was my point in posting. I'm familiar with people who have added performance chips on another list I'm on related to sportscars, but none of those chips promise the outrageous claims this one does. (If you are going to get 50 more hp in a normally aspirated engine you aren't also going to get the ridiculous improvement in gas mileage). With computer control and variable valve timing things have come a long way in having your cake and eating it too, but that an aftermarket chip is going to yield those kinds of improvements across the board vs the stock chip is ludicrous. I'd say most of the people I read using the aftermarket chips are done strictly for performance (and with Turbo's they know they are playing with a potential bomb upping boost pressures to eek out the extra HP they seek for power), are willing to sacrifice MPG if need be and and they know they would never pass an EPA dyno test. I'm just surprised this chip vendor didn't claim the chip would also drive the car for you too!! I'm sure we'll all like to drive our 270 hp non-turbo Outlanders that get 40 MPG while doing it.

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