P0302 - Replaced coils, injectors, plugs
07-28-2020, 02:36 PM
#51
MBWorld Fanatic!
Yes! It drives much better...very responsive. The best way to describe it would be to say that I barely press the gas pedal and it goes!
I am the second owner of this car (got it from a dealership 3 years ago). I usually drive in 'S' mode but lately I catch myself cruising
around in 'E'. It's smooth. Funny thing is I'm obsessed with the dam check engine light. I catch myself looking at it all the time...worried
that it'll go back on. So far, so good.
I am the second owner of this car (got it from a dealership 3 years ago). I usually drive in 'S' mode but lately I catch myself cruising
around in 'E'. It's smooth. Funny thing is I'm obsessed with the dam check engine light. I catch myself looking at it all the time...worried
that it'll go back on. So far, so good.
09-09-2020, 02:10 PM
#52
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c200 Kompressor 2003
hello sorry,i have a w203 c200 kompressor m271 engie and i have same problem you had, p0302,one day it went well now and it was shaking like a tractor
I replaced the spark plugs, the injector ramp, the coils are fine
I do not know what to do anymore
which would be the solution?? pleas help me
I replaced the spark plugs, the injector ramp, the coils are fine
I do not know what to do anymore
which would be the solution?? pleas help me
09-10-2020, 10:05 AM
#53
Junior Member
Thread Starter
Hi there! My car wasn't shaking like that when I had the same code.
Try this:
1. Swap a coil from any other cylinder to cylinder 2 to see if your car kicks out another code like P0301, P0303, or P0304.
If it does you know it's the coil. If it does not you know it is not the coil.
2. Do a compression test on the cylinders
(Plenty of YouTube videos to show you how to do this)
You're looking for any variation in compression between the cylinders.
If the compression is way off between cylinders you may have a bad head gasket or mechanical damage in the engine/cylinder
If the compression is close for example cylinder (1) 200, cylinder (2) 201, cylinder (3) 200, cylinder 4 (200) it's fine
I would do this before anything else.
Try this:
1. Swap a coil from any other cylinder to cylinder 2 to see if your car kicks out another code like P0301, P0303, or P0304.
If it does you know it's the coil. If it does not you know it is not the coil.
2. Do a compression test on the cylinders
(Plenty of YouTube videos to show you how to do this)
You're looking for any variation in compression between the cylinders.
If the compression is way off between cylinders you may have a bad head gasket or mechanical damage in the engine/cylinder
If the compression is close for example cylinder (1) 200, cylinder (2) 201, cylinder (3) 200, cylinder 4 (200) it's fine
I would do this before anything else.
09-10-2020, 12:11 PM
#54
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Join Date: Sep 2020
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c200 Kompressor 2003
Hi there! My car wasn't shaking like that when I had the same code.
Try this:
1. Swap a coil from any other cylinder to cylinder 2 to see if your car kicks out another code like P0301, P0303, or P0304.
If it does you know it's the coil. If it does not you know it is not the coil.
2. Do a compression test on the cylinders
(Plenty of YouTube videos to show you how to do this)
You're looking for any variation in compression between the cylinders.
If the compression is way off between cylinders you may have a bad head gasket or mechanical damage in the engine/cylinder
If the compression is close for example cylinder (1) 200, cylinder (2) 201, cylinder (3) 200, cylinder 4 (200) it's fine
I would do this before anything else.
Try this:
1. Swap a coil from any other cylinder to cylinder 2 to see if your car kicks out another code like P0301, P0303, or P0304.
If it does you know it's the coil. If it does not you know it is not the coil.
2. Do a compression test on the cylinders
(Plenty of YouTube videos to show you how to do this)
You're looking for any variation in compression between the cylinders.
If the compression is way off between cylinders you may have a bad head gasket or mechanical damage in the engine/cylinder
If the compression is close for example cylinder (1) 200, cylinder (2) 201, cylinder (3) 200, cylinder 4 (200) it's fine
I would do this before anything else.
Update Error p0302 disappeared and p0303 and p0304 appeared I checked the injectors as they are fine, I'm afraid it's not ECU because a year ago I found oil in the ECU sockets
Last edited by Mihai Cocis; 09-11-2020 at 01:48 AM.
