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2003 Mitsubishi Lancer ES Engine code P0301 - Cylinder 1 Misfire the plugs and wires are new....any other possible solutions?

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Two things to check: Had the same type of issue on my Mustang.

1. The coil might be bad.
2. Is the plug getting wet? If it is you need to track down the source and repare that.

My bet is on #1 though.

Posted on Sep 12, 2010

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2003 Hyundai Sonata with 4 cyl. PO301 error code. Have replaced spark plugs, wires, coil packs, and mass air flow sensor. Replaced air filter due to heavy gas smell. Car was starting after tapping gas 3...


P0301 - Cylinder 1 Misfire Detected.

Possible Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder

Possible Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

Being you have a heavy gas smell I would look into the injectors. If injector #1 is over producing it can cause a misfire. Test your compression and fuel pressure.

Jan 17, 2011 | Hyundai Sonata Cars & Trucks

1 Answer

PO301 code on Hyundai Sonata. Replaced wires, plugs, coil packs, and mass air flow sensor.


P0301 - Cylinder 1 Misfire Detected.


Possible Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder


Possible Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

Jan 17, 2011 | Hyundai Motor 2003 Sonata

3 Answers

CODES-PO301-PO303-PO316- CHANGED PLUGS & WIRES. STILL MISS ON START UP, GOES AWAY MOST OF THE TIME ABOVE 1000 R.P.M


P0301 - Cylinder 1 Misfire Detected.

Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak

Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

P0303 - Cylinder 3 Misfire Detected.
Follow info from P0301.

P0316 - Misfire Occurred In The First 1,000 Engine Revolutions.

Causes:
- Damaged CKP sensor.
- Ignition System.
- Fuel Injectors
- Running out of fuel
- Fuel Quality
- Base engine
- Damaged Powertrain Control Module

Solutions:
Usually the P0316 is combine with a P03XX codes. The P03XX code indicates in which cylinder the misfire occurred.

Jan 17, 2011 | 2002 Mercury Sable

2 Answers

I have a 1998 mitsubishi eclipse rs and the check engine code P0301 pd (misfire in cylinder 1). I've put in new spark plugs and wires and the fle injecter is working fine and its still misfiring. Could it...


YEP BAD COIL CLOGGED FUEL INJECTOR AND INTAKE LEAK TO CYLINDER 1.TRY CLEANING FUEL INJECTORS.IF STILL MISFIRE DO A COMPRESSION TEST TO THAT CYLINDER YOU COULD HAVE A MECHANICAL ISSUE.

Dec 16, 2010 | 1998 Mitsubishi Eclipse

1 Answer

WHAT IS THE CAUSE OF THE PO301 CODE?


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.

Oct 12, 2010 | 2003 Mitsubishi Lancer

2 Answers

Code p0301 and p0316


P0301 - Cylinder 1 Misfire Detected
P0316* - Engine misfire detected on Startup (First 1000 Revolutions) Could be a Bad Coil or bad spark plug or a bad wire on cylinder one. Check the plug and the wire first then move to the coil. Good Luck.

Sep 23, 2010 | 2002 Ford Explorer Sport Trac

2 Answers

2000 honda crv p1399 and p0301 check engine codes


Code P1399 is specific to Honda - it is an error code for "multiple variable misfires detected". P0301-P0304 are common OBDC codes for all cars, specifically "misfire in cylinder X".

You will get the P0301-P0304 codes on your OBDC reader when you plug it in (if actually errors), but will only find the P1399 if you select Honda as the manufacturer.

Just got these errors today on my CRV 2000. Now I have to figure out what is causing two of the cylinders to misfire.

Mar 08, 2010 | 2000 Honda CR-V

2 Answers

Mitsubishi Lancer OZ Rally 2003 hesitates while driving


before anything i had the problem and this is the way i solved it ... the lancer has 2 ignition coils in 2 cylinders what you do is take the iginition coil out of the cylinder that is misfiring and change it to another cylinder and put the car on the odb reader again it should change location of misfire .. then that would tell you that its the ignition coil thats bad i ended up getting my coil at the dealer for $110 ebay has some aftermarket pairs for $100 so you can get 2 now for the price i paid for 1 that will solve the problem guaranteed owne d a lancer for 5 years know the ups and downs to them

dirtyjerz908 at GMail.com hit me up

Feb 16, 2009 | 2003 Mitsubishi Lancer

4 Answers

HI I HAVE A 2001 MAZDA TRIBUTE AND THE CODES PO301 AND PO303 CAME UP IN THE DIAGNOSTIC REPORT. THE CAR TURNS OFF WHEN I WARM IT UP IN THE MORNING IN THE COLD AND AFTER THAT ITS FINE I ALREADY CHANGED THE...


cylinder 1 misfire and low compression. Plugs and wires changed plus new fuel injectors. The engines still misses and no one can find the cause. When put on the computer it read misfire cylinder 1.

Dec 31, 2008 | 2004 Mazda Tribute

1 Answer

Falla mi pick up y da codigo po316


P0300 - Engine Misfire Detected
P0301 - Cylinder 1 Misfire Detected
P0303 - Cylinder 3 Misfire Detected
P0316-Misfire detected on startup (First 1000 revolution)
You may have a coil problem or plug wires and or plugs

Sep 29, 2008 | 2004 Mazda Truck

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