Question about 2003 Mitsubishi Lancer

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Runs rough & acts like it wants to stall out when put in gear

So i changed the 02 sensor and spark plugs, it still points the same area. when it is started it runs smooth but put it in gear it still acts like it wants to stall out.

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  • Mitsubishi Master
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Fuel filter,coils.

Posted on Apr 24, 2013

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1991 Mitsu Eclipse is idling

idle air control valve?

Posted on Sep 16, 2008

  • 1129 Answers

SOURCE: Can i get a quote?

It should cost no more than $80.00 - $100.00 and even that is a little high.

Posted on Jul 08, 2009

  • 69 Answers

SOURCE: I changed the oil, spark plugs and valve cover

test to make shore you ignition coil is working" unplug any plug wire and then try starting it...you should her the ticking from the ark of electrisity from the coil to the engine block its self... first: be shore youve connected the spark plug wires in to the right slots on the ignition coil second: make shore the wiring harness just upstream from the air filter is connected"without it my montero want start" third:make shore all harmesses are connected and tight.... forth: now turn the car on..but dont start it.. and see if the check engine light goes off.... fifth:try giving it a lil bet of gas when trying to start..... thats all i can think of, srry for spelling...hope it helps

Posted on Jul 20, 2010

  • 4 Answers

SOURCE: Hi friends, I just got a 2002 Montero with 78,000

ignition control module

Posted on Nov 23, 2011

danglin_dan
  • 118 Answers

SOURCE: 98 montero sport 3.0 rough idle when set in drive.

clean MAF first.if no help then replace

Posted on Apr 27, 2012

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My 02 galant runs rough when put in gear but in idle runs okay it also surges up and down replaced the plug wires


Okay, lets start with the oil you found on spark plugs when you were replacing them. this oil is coming from the valve cover tube hole area, notice the plugs go into the holes in the valve cover, there is a gasket the goes around the top of the tubes and when it leaks it goes into spark plug hole, the valve cover needs replacing .
this will cause rough idle and running problems, after replacing valve cover gasket the holes must be cleaned, using crab cleaner, spray into holes and use air to blow out . this may need to be done a few times to get oil out .
after oil is removed . then remove spark plugs and wipe them clean.
The next step is to find the air (vacuum leak) , you said you hear it around intake tube. check for cracks or broken vacuum line. this leak will cause idle problems and driving problems,

Nov 18, 2012 | Cars & Trucks

1 Answer

Diagnosed with ignition coil problem, replaced coil, spark plugs & wires, inspected pcm, vehicle running rough in gear, acceleration is rough, smooths out when it gets going. oil on one spark plug....


2006 3.9 has to be a T-Bird or LS

There are no spark plug wires

It has Coil-On-Plug individual coils

Plugs don't fail --they get changed at 60,000 miles
give or take,say every 3 years

The front (2) O2 Sensors get repalced at 100,000
miles. The ones closest to the engine

Clean MAF Sensor at least once a year

I have no idea how you inspect a pcm,if your
at home & have no scanner or PC Based Software

Egr Valves fail early on those & other fords

You could test,not look at,actually put an oscilloscope
on the TPS Sensor

Any oil on a spark plug requires a new valve cover gasket

If a coil was replaced based on a code alone,you may have
replaced a good one,not what needed to be replaced if any

Jul 13, 2011 | Ford Freestar Cars & Trucks

2 Answers

Tuned up car changed 02 sensor full tank of fuel still running rough


Oxygen sensor only report the condition of the engine the rough running condition can range from a worn sparkplug wires to worn sparkplugs to valve problems to injector problems. with the cadillac deville a tune up should be the first attempt to smooth the rough idle with the inspection of the cap and rotor cap and rotor do have a tendancy to arc internally and create misfire so does sparkplug wire that can leak spark voltage to ground and create misfire. the spark plug wire especially if they are brittle and hard can create issues

Apr 23, 2011 | 1990 Cadillac Deville

1 Answer

02 gmc sonoma 4.3 engine starts and runs great for 30 minutes and then stalls like its flooded, if it sets after stalling for 30 minutes and cools able to drive home before starting to stall again. After...


Smell of the oil,to see if the fuel injector(spider)is leaking into the crank case,if so,the intake will have to be removed to repair the problem,oh,and change the oil.

Jul 11, 2010 | 2002 GMC Sonoma Extended Cab

1 Answer

My 93 LeSabre Starts and runs very rough When I


Remove the EGR valve and see if it has a chunk of carbon stuck in it. This is common and the only way to check it is to just remove it and look.

Apr 06, 2010 | 1993 Buick LeSabre

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Dodge Intrepid codes


could be a vac leak. what are the definitions for the codes??

Sep 21, 2009 | 2004 Dodge Intrepid

2 Answers

Starts good but bogs out in gear


Tuned-up lately, like new plugs & wires? Check EGR Valve, and also cycle key to retrieve any trouble codes that may be stored that will point you /us in right direction, and let us know what came up. Turn key to on, off,on,off,on, and leave in on position & count flashes of "check engine" light. goes like this: 2 flashes, pause, 2 more is code 22. 3 flashes,pause 4 more, is code 34........write them down & get back.

Jun 24, 2009 | 1995 Dodge Neon

1 Answer

Stalling Issues


Was the TPS adjusted to 1.5 volts or checked for that voltage reading beforehand?

May 28, 2009 | 1990 Cadillac Brougham

1 Answer

Rough idle and stalling


if you have a check engine code on,scan it will point you at problem area,if notand if timing belt is pass due may be wearing out and jumped a few knotches,i would inspect it anyway

Feb 24, 2009 | 1998 Plymouth Neon

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