Top 10 2003 Mitsubishi Lancer Questions & Answers

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Question

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Lancer 2002, change heater control switch

My lancer Heater control switch is broaken.
How do i replace heater control switch?
the switch on my car's heating control will not turn over to the heating side...

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Answer

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contrary to what the dealership tells you you don't have to take out the entire dash to fix the heater switch, all you have to do is first locate a heater switch which I thought was imposible to find too, but I found one online for 165 bucks from a used autoparts store, then all you do is take off the molding that surrounds your stereo, then take out your stereo, then you will see a blue cable on the right side and a black one on the left carefully disconnect those and the two wireing harnesses in the back the upper one is white the lower is black, then pull the unit out and put the other back in the same way, now it's still going to stick cause of those moron engineers so if you kneel on the ground and look next to your gas pedal you will see to pieces of white plastic that is why you can't switch to heat that flimsy cabel has to push that gear forward, that gear is sticky so it won't go forward, there is a replacement gear to fix that problem that should be about 18.00 from the dealership. it took me about an hour or less to do the whole operation. I just literally finished it 20 minutes ago in my wifes lancer which i broke that knob off of. Good luck if you havent figured it out yet.

Allen

Posted on Apr 22, 2009

Question

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Loss of power Mitsubishi carisma 1.9 DiD 2002

Engine management light on, starts ok but car very sluggish, prior to this it was at times as if the engine was misfiring, and then it would come ok again, now the light is on all the time and the car lacks power constantly, I took it into a local garage and they put it on their code reader, but could not find any fault showing, although a guy I work with swears it could be a faulty cam shaft position sensor. Please help?
Mike.

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Change fuel filter.

Posted on May 20, 2009

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2003 mitsubishi lancer es fuel filter

2003 mitsubishi lancer es fuel filter removal/replacement procedures

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Answer

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it's in the fuel tank, you really don't have to replace it unless you have problem with fuel pump.

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to acess the fuel pump you need to take the rear seat off

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Posted on Mar 28, 2010

Question

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I have an 2003 Lancer ES with a rough idle. It sometimes shuts off.

I have cleaned the intake air control valve and it still is acting up. What should be my next step?

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If you want this fixed seriously because mine was doing the same thing and people kept getting me to buy all this **** i didnt need for my 03 lancer es and all i did was unplugged the MAF (mass air flow sensor) and it was perfect all over again. I was pretty upset figering this out yesterday. Just unplug it and turn your car over and let it idle a min. If all symptoms go away buy a new MAF sensor from a parts dealer for like a buck eighty.

Posted on Jun 27, 2012

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P0421 ERROR CODE

P0421 ERROR CODE

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Answer

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P0421 is Warm Up Catalyst Efficiency Below Threshold (Bank 1)
Basically this means that the oxygen sensor downstream of the catalytic converter on bank 1 is detecting that the converter is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.

Causes:
A code P0421 may mean that one or more of the following has happened:

  • The catalytic converter is no longer functioning properly
  • An oxygen sensor is not reading (functioning) properly
  • A sparkplug is fouled up
Possible Solutions:
Measure the voltage at the oxygen sensor on Bank 1 (the rear sensor, or the sensor after the converter). In fact, it would be a good idea to test each oxygen O2 sensor while you're at it.

One thing to note is that many vehicle manufacturers
offer a longer warranty on emissions-related parts. So if you have a newer car but it's out of it's bumper-to-bumper warranty, there still may be warranty on this type of problem. Many manufacturers give a five year, unlimited mileage warranty on these items. It's worth checking into

Posted on Nov 27, 2009

Question

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WHAT IS THE CAUSE OF

WHAT IS THE CAUSE OF THE PO301 CODE?

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Answer

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The error code p0301 ,This code is related to misfire.The cylinder is misfiring. p0301 this is the indication of cylinder number 1 ,that is misfiring.If the code comes up as p0300 this is the indication of random misfire from all the cylinders.But in your case its indicating p0301 this is indication of cylinder 1 misfire.Check cylinder 1 and replace the faulty cylinder 1 to clear the fault.The spark plugs and the wires connecting to spark plugs also needs to be checked. Keep updated with any more query.Thanks.

Posted on Oct 12, 2010

Question

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2003 Lancer ES High pitch squeal and constant squeak

I have a super high pitch loud squeal when I start my car especially if the heater fan is on. Also, annoying constant squeak while driving it that is effected by my rpms. Would this be a timing belt or serpentine belt problem? Also if its really really cold out the first start is really hard and takes a couple of turn overs to catch. (sounds like a low battery could the belt effect that?)

Thank you!

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Shortly after replacing the serpentine belt in my lancer, the same thing happened. It is NOT the timing belt. Belts squeal when they slip. If your timing belt slipped it would cause your car to run funny.

have somebody check the belt for wear (or do it yourself), replace if necessary. If it doesn't need replacement, just tighten it.

If you have the 4cyl engine that I have, the tightening is kind of a pain in the ****. Not a great design by mitsubishi. There's a pulley near the front right corner of the engine in front of the alternator. the belt should be running around this pulley GROOVE SIDE OUT. This is the tension pulley.

To tighten:
1) Lightly loosen the bolt in the center of the pulley (slightly loosen, DO NOT REMOVE).
2) Under that pulley there's another bolt. You can see that the bolt goes through a piece of metal
attached to the back of the pulley. Figure out which way you need to turn the bolt to move the
pulley toward the front of the car. (i don't remember if it's right hand thread, or left hand) This
puts extra tension on the belt. You probably don't need much. Over tensioning the belt can
cause pulley bearing failure. If you haven't done this work before, ask someone for
help
. It's better to tighten a little bit, a few times rather than overtighten once.
3) Don't forget to ReTighten the bolt in the center of the pulley.

If there's lots of cracks and pieces missing on the ribs or grooves of the belt you should replace it first.

Happy repairing,
Cliff

Posted on Mar 09, 2009

Question

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My SRS light comes on and off. I don't know what

My SRS light comes on and off. I don't know what the light stands for...what does this mean?

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Answer

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It has to do with your airbags. Supplemental Restraint System. This light can be caused by a lot of things including any of the following:

  • Letting battery drain too low
  • Bad Sensor
  • Blown fuse
  • Unplugging the car’s battery
  • Removing the gauge cluster/installing aftermarket gauges
  • G-Force sensors that are under each of the front fenders ($250.00 each)
  • Bad clockspring (located inside your steering wheel)
  • Bad ECU
  • Bad reverse light switch on transmission
  • Car was in an accident
  • Airbag defective/unplugged

Posted on Nov 06, 2009

Question

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1997 CE Lancer speedometer

speedo display and guage not working (kilometers not visible and needle remains on zero)

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i had the same problem on my g/f's 2000 lancer GLXi, (with tacho),
i fixed the problem by putting a jump wire on the back of the instrument cluster,
the fault was in the wiring to the tacho part & i drew up my own wiring diagrams for the cluster unit,
then traced the fault,
looking @ the back of the cluster unit, the top right hand screw for the speedometer,,, follow the track on the circuit-board, there is a link wire UNDER the board (there is a dotted line on top where it goes, i think its the left 1,,, there is 2) this track then goes to the bottom left screw on the tacho,,,
i soldered a small gauge wire from the bottom of the link solder joint (MAKE SURE ITS THE CORRECT LINK, THERE IS 2 SIDE BY SIDE) to the bottom right track on the vertical plug socket (its common pos for the warning lights) this is where the "MIRAGE" & other "CE LANCER" (without tacho) gets its speedometer & gauges power from,

kind regards waz
if anyone needs a photo i will pull out the dash again lol its only 6 screws

Posted on Nov 15, 2008

Question

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i want to know where

i want to know where is the fuse located for the cigarette lighter in mitsubishi lancer 2007 i know it is located under the steering wheel dashboard but i want to know which fuse is it & i want also to know the symbol for it thanks

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Check this diagram out: http://ww2.justanswer.com/uploads/indytech/2010-11-13_222544_3.png The fuse for the cigarette lighter is number 9. Hope this helps

Posted on Apr 05, 2011

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