Question about 1996 Mitsubishi Eclipse

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I have a 1996 eclipse and the number 2 cylinder is misfiring.

A hand held computer at auto zone said the problem was the #2 cylinder was misfiring and the idel was high. The car surgis up and down from 1500 rpms to 2500 rpms.

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  • Jeremy Reddick
    Jeremy Reddick May 11, 2010

    Have you checked the coils?

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Check the following

  1. Throttle position sensor
  2. Mass air flow sensor
  3. EGR valve
  4. Replace the plugs and wires
Please rate this a fixya

Posted on Feb 07, 2009

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I check sparkflug while engine in idle, I try to take out sparkflug 01 and the idle sounds better also no. 04 but the sparkflug 02 , 03 the idle is more high to low


That sounds like your coil pack. The coil to number 1 & 4 may be bad. The other coil, to number 2 & 3 cylinder is good and working.
If it's not the coil, you may have to check the wiring to the coil pack-something is amiss. You could swap the coils around and see if the misfire follows your switch to 2 and 3...
If the above don't get no good results, it's not an ignition problem, then you will need to check compression on number one cylinder. Look for any mechanical problem from low compression. 3 major causes of misfires: gas, spark, or compression.

Mar 16, 2014 | 1996 Mitsubishi Eclipse

1 Answer

Missing,viborating


Misfire could be a number of things:
a) spark plugs - change them if used over 15K miles - inspect/regap.
b) spark plug wires - change them if over 15K miles - inspect
c) ECM (electronic control module) - test with HEI (high energy ignition) tester.

The vibrating tells me that the engine is running on less than its normal compliment of cylinders - the shaking is produced by the imbalance caused in the engine by one (or more) cylinder(s)
not firing at all.

The "Check Engine" light probably is coming on due the the misfire condition. Go to Pep Boys or
Advance Auto Pats, where they'll tell you (free) your codes causing the "Check Engine' light to be
lit - the code coming from your truck's computer will probably be one or more of:
P0300 - Random/Multiple Cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0304 - Cylinder 4 misfire detected
P0305 - Cylinder 5 misfire detected
P0306 - Cylinder 6 misfire detected
P0307 - Cylinder 7 misfire detected
P0308 - Cylinder 8 misfire detected
P0313 - Misfire detected with low fuel

Jun 23, 2011 | 2009 Ford F-150

1 Answer

How to remove the cylinder key switch


most key cylinders are held in by 1 Phillips screw if you take the plastic apart around the steering wheel you can see it but on the other hand the steering wheel needs to be taken off you can rent the puller from auto zone for a few bucks and same thing the cylinder is held in by 1 Phillips screw good luck

Apr 23, 2011 | 1991 Ford Festiva

2 Answers

I failed the emission test and I also went to get an check engine light test from Auto Zone. I received the codes P0300, P0301, P0302, P0303, P0304 and the results that I received from Auto Zone was valve...


A code P0300 may mean that one or more of the following has happened:
Faulty spark plugs or wires
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector(s)
Burned exhaust valve
Faulty catalytic converter(s)
Stuck/blocked EGR valve / passages
Faulty camshaft position sensor
Defective computer

Possible Solutions:
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.

Hope helps.

Apr 19, 2011 | Lexus GS 400 Cars & Trucks

2 Answers

Engine code states cylinder 2 misfire. Replaced


sounds like a bad injector, just connection at the injector, also check for leaks at intake, one more thing , do a compression test on that cylinder start there, good luck.

Oct 24, 2009 | 1997 Pontiac Sunfire

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

Engine light comes on - Code shows P0300 and then


OBD II 300 Random/Multiple Cylinder Misfire Detected

When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we have either multiple cylinders misfiring, or the computer simply can't determine the specific cylinder, and as such we are left with the P0300 in computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Apr 04, 2009 | 1996 Dodge Ram 1500 Club Cab

3 Answers

1998 Chevy s10 4 cylinder running rough


One thing to check is the fuel pressure regulator.
If the diaphram is leaking it will cause gas to be pulled into the vacuum system causing lots of white smoke and extreme rough running.

Mar 03, 2009 | 1998 Chevrolet Cavalier

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