Question about 1999 Mitsubishi Eclipse

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99 mitsubishi eclipse

Ok when my car idles it idles rough but when i give it gas it clears up.i put ne plugs,wires,and coil pack on it and still does it

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  • mikelbolton May 11, 2010

    Would this be the turbo or non-turbo Eclipse?

    Automatic or Manual transmission?

  • Anonymous Mar 27, 2014

    REPLACED 3 MAF, ECU, COOL TEMP SENSOR, NO CHANGE

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  • 31 Answers

It sounds like you have a vaccum leak to the engine. with the engine running at idle listen to see if you can hear a hissing noise especially around the intake manifold

Posted on Apr 14, 2009

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1 Answer

2000 4 cyl eclipse no power to one coil pack any ideas?


Looking OK is not the answer. Go to a wrecking yard, get another coil pack and try it. If you mean there is no power to the pack then get a pal and an electrical tester and check the continuity of the supply. Be careful, the voltages at the coil are high enough to kill.

Feb 01, 2015 | 2000 Mitsubishi Eclipse

1 Answer

ROUGH IDLE, SERVICE ENGINE SOON LIGHT ON AND CODE FOR RANDOM MISSFIRE


do a basic tuneup on the vehicle, that sould solve the problem. fuel filter, new plugs and wires. most likely will solve your problem, if still throws a misfire code, you need to replace the coil pack

Nov 29, 2010 | 2002 Mitsubishi Eclipse

1 Answer

I have a 99 eclipse 2.0 manual. It has a rough idle when u slowly give it gas it seems to run ok. But when u give it gas fast it flutters and bogs down and will not get up and go. I changed the spark plugs...


Have gapped the spark plug? Adjust the timing? If haven;t done these, my advise would be to bring ur car to a mechanic and adjust the timing and set the gap of the plugs!

Nov 18, 2010 | 1999 Mitsubishi Eclipse

2 Answers

4th cylinder misfire in '96 eclipse rs(5 speed if it makes a dif)


There may be a problem with the coil pack causing this misfire or the timing is off enough to cause late or early firing of the plug.

Oct 12, 2009 | 1996 Mitsubishi Eclipse

1 Answer

CodePO403 does not go away


P0403 Exhaust gas recirculation circuit malfunction.
The EGR valve is not happy.
This may require a new EGR valve.
I would try fuel injector cleaner first.
Put a full bottle in 1/3 tank of gas a give it a good run....could be a piece of carbon holding the valve out of position.
Does it idle ok?
A rougher than normal or faster than normal idle speed could be a stuck valve.

Aug 12, 2009 | 2001 Mitsubishi Eclipse

1 Answer

1999 mitsubushi eclipse shows p1390 engine code


have you had a recent timming belt if so get it re timmed

Jul 29, 2009 | 1999 Mitsubishi Eclipse

1 Answer

1990 ford ranger 2.3L running rough at idle and while driving


Hi check all the fuse. fi the fuse are ok . remove the coil pack and reverce if the cly missifire change replace the coil if not chage replace the electronic comtrol module ok.

Apr 20, 2009 | 1990 Ford Ranger SuperCab

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