Question about 1994 Mitsubishi Expo

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Bogging down When driving it bogs down when it gets between 1500 and 2000 RPM and will not go any faster then 15 mph with the gas all the way to the floor, have had it in the shop and they are unable to determine what the issue is. Would like to know if anyone can tell us what we need to do to fix this issue.

Posted by Anonymous on


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Posted on Jan 02, 2017

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SOURCE: 2003 Mitsubishi eclipse. When i push throttle to

it could be a number of things. the first to check would be to see if your check engine light is on. that would indicate a bad sensor. if this is the case, i would think maybe a throttle position sensor, or map sensor. but if the light is on, have someone use a scanner to get the trouble code. most auto stores will scan it for you at no charge. if there are no codes, and no check engine light, the next thing I would do is replace the fuel filter. if it get clogged it will restrict fuel flow to the engine. finally if that doesnt help, then have the fuel pressure tested. you may have a weak fuel pump. if the fuel pressure checks out ok, then I would have a technician look at it for a diagnosis. if none of these things helps then you have a much deeper problem with the computer or wiring that only good shops have the equipment to diagnose and fix. theyre awesome cars though. I used to have one. good luck!

Posted on Sep 08, 2009

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SOURCE: I have a 2004 Mitsubishi

Sounds like your fuel filter is giving you early warning that its time to replace. The big question- when was last healthy tune up? All filters, plugs etc...

Posted on Feb 14, 2011

  • 720 Answers

SOURCE: 1999 Mitsubishi Mirage- Bogging down when flooring the accelerator?

Hi there,

Your vehicle incorporates an on-board diagnostic (OBD) computer, which monitors behaviour of your vehicle's engine and ommission related cicruits.

This sounds like an electrical issue (I suspect perhaps your Throttle Position Sensor - TPS, or similar circuit). Your OBD computer will have stored the appropriate code/s causing this condition.

Have your codes read by an approved Mitsubishi Agent, who will then be able to advise what will be required to fix this issue.

Having your codes read should ALWAYS be the first step, as this will save you $'s and time, elimination the need to purchase unnecessary parts.

Hope this helps,


PS: if this advice has helped you in any way, please rate this solution

Posted on Mar 19, 2013

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