2001 Galant - 2nd Cylinder Misfire

Tiny
NOLA_GAL
  • MEMBER
  • 2001 MITSUBISHI GALANT
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 87,500 MILES
I have a 2001 Galant with about 87,500 miles on it. When I bought it (2001), it was a 'demo' car and had about 12,500 miles.

It had given me little trouble until this past year. I had the rocker-arm replaced on the passenger side.

Summer of 2010, I had to have the radiator replaced. It didn't have a history of overheating (that I could tell) but one weekend, it suddenly overheated and the a/c shot off etc. I pulled over, let it cool and took it home. Had it replaced a couple days later.

Fall of 2010, it started sputtering when the engine was cold, especially when taking off from a complete stop. I took it back to the same people who replaced the head gasket, timing belt and water pump. I think they said oil was seeping somewhere causing it to misfire. (I think they changed the spark plugs etc at that time.)

A month or so later, the oil light flashed on then off. I checked the oil and had to add about a quart.

It's doing the same thing again now. Sputtering when taking off from a stop etc. Especially when cold and the engine light is on again.

I don't want to be pouring good money in after bad so I spent $20 and got a code reader. There are two fault codes, P0401 and P0302.

Do you have any suggestions? I would love to keep the car (I hate the idea of having another note) but I've already put close to $2500 into it this year.
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Saturday, January 15th, 2011 AT 5:41 PM

2 Replies

Tiny
NOLA_GAL
  • MEMBER
Oh, I forgot to mention that recently, when the check engine light started coming on, the brake light also comes on for a few minutes in the morning then goes off. This only seems to happen when the weather is cold and I'm not noticing any change in the braking.

Thanks
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Saturday, January 15th, 2011 AT 5:45 PM
Tiny
HAGERTP
  • MEMBER
https://www.2carpros.com/trouble_codes/obd2/P0300
This table from our site lists the faults as EGR Insufficient flow and cylinder #2 misfire detected. The #2 misfire might be something as simple as a bad spark plug or a coil (if individual coils are used) The EGR low flow could be build-up in the system or a stuck shut EGR valve. The decision to keep the car or get another is often difficult, you and I might need to have some more conversation about that topic, are you OK with that?
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Saturday, January 15th, 2011 AT 6:44 PM

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