misfire

  1. Pauljay

    Engine misfire

    Hi Guys, I have a problem with my car misfiring when in park or neutral only! I took it to MB and they had it for a day but couldn't find the problem! They said that it misfires on cylinders 7,8 5,6,2 basically all of them except 1, but at different times. If you turn the car off then on...
  2. D

    Help needed w203 c230k misfire and big oil leak rocker?

    Hi guys had the c230k for a few month done approx 3k miles. Had a really lumpy idle and plugged in my code reader to find misfire on 1 and 4 cylinders. Thought i'll change the plugs and found every single plug well in the rocker cover full of oil. Cleaned them out best as possible and...
  3. A

    Misfire check engine light

    Car has a slight rough feel to it at idle but you can use it all day long without any real problems. Very smooth past the idle with strong acceleration Put the foot to the floor and engine check light and a cylinder cuts out Codes displayed are p2050 misfire kat harmful p0300 followed by same...
  4. N

    W126 300se misfire / hesitation

    Hi I’m experiencing a slight misfire in my 1988 W126 300SE. It seems to be when the engine is warm, i.e. after around 10 mins of driving. When I accelerate there is a hesitation / misfire type of thing happening! Very frustrating! Any thoughts what this might be? Just FYI, I have a new...
  5. sam-orr

    W202 C200 misfire and juddering

    My beloved 1998 Mercedes Benz took a supposed trip to Wisbech last weekend and following a full tank of fuel and a tire, oil and water check set off. After getting 30 miles south of Telford, we encountered a loss of power and juddering when we came to a stop at roundabouts. We decided to...
  6. derekpayne

    C180 (W203) Misfire

    Hi I have a C180 (W203) which has developed a misfire on 1 cylinder (currently the OBD2 is telling me its number 3) have swapped the plug with number 2 but still showing as number 3, it only happens when its cold, warm it up, turn the engine off, wait a few minutes, start it up and its...
  7. T

    Intermittent ignition misfire

    In this hot weather my 230 TE is misfiring, only intermittent, but not sure what's causing it, any ideas?
  8. J

    W202 C200 1999T Facelift - current engine issue

    Hey guys, my car is a C200 petrol manual with 136,000 miles on the clock. i acquired the car with 121,000 miles and is my third w202. its not given me many problems at all in nearly a year except this one which i will try to explain in as much detail as i can. 1. serviced in feb 2012, oil...
  9. Pringles

    W124 M104 engine misfire

    Dear all, I am currently suffering an intermittent problem with my W124 E36 AMG and I would be very grateful for any ideas. The symptoms are that the car starts properly and runs normally for a 3 -4 miles and then runs roughly as though on 4 cylinders to the extent that it is very slow...
  10. D

    ML 320 misfire

    I am new to forum so firstly hi everyone! I have a 1999 Mercedes ml320 with lpg conversion. I believe the engine is very similar to other 320 petrol models around the same age. It is suffering with a misfire from cylinder number 6. Now at first i thought it was and lpg problem as it was...
  11. T

    E200 Auto (1991) sudden misfire

    I'm totally new to Mercedes (have and still have big old Citroens) and purchased a lovely low mileage (129k) estate three weeks ago. Picked car up from private seller in South of England and travelled back home via Scotland to Northern Ireland. The car behaved faultlessly apart from a slight and...
  12. P

    W202 (2000) C240 Strange Misfire Cure..Baffled!

    Very recently I had a misfire on my own C240 where it would vibrate on idle ad had a lag when pulling off or trying to accelerate and after putting my diagnostic equipment on it I changed the coil packs, 02 sensors, plugs and leads but that didn't solve the lumpy running at idle etc'. In the end...
  13. R

    Misfire

    Hi. New to the forum. This is my first thread. I've got a 2000 W C180 tourer. Got in the car this morning. Started fine as it always does. Selected reverse and it developed a misfire (felt like it was only firing on 2). Took it down the road and it continued. Wouldn't go above 15mph. I pulled...
  14. T

    W168 P0303 Cylinder 3 Misfire Detected

    Hi guys, Recently my 2001 A-Class (W168) stopped running on all cylinders. I took the coil pack off and couldn't see anything seriously wrong, and the plugs looked quite OK. I've borrowed an OBDII reader (Sealey VS8700 - nifty little thing!) and it showed 4 codes, which I reset, and then I...
  15. K

    misfire in the morning e300td

    i have a 1999 e300td and am having a few issues with a misfire and stalling first start up is the worst and is accopanied by smoke it looks like i get air in the fuel line it will also misfire when it has been left for at least 10 mins, but not as bad as first thing in the morning and will...
  16. T

    misfire

    hi there my a class 1.4 s reg has developed a misfire today seems only to be going on 3 cylinders also bas/esp is displayed on dash any ideas cheers
  17. derekpayne

    Misfire & Droaning noise at high revs

    Hi Just purchased a C180 (W203 model), and I knew I had to replace the front discs when I bought it, I also have replaced the rear shocks as they were worn. I have noticed that at around 80mph or any other speed where the engine is at the same RPM range I have a moaning or droaning noise which...
  18. A

    M104 280 engine misfire.

    Oh no :( The poor old girl is having some troubles! 96 S280 with the M104 engine - 130k miles, last serviced with new plugs and oil about 12k miles ago looking at the invoices. Since buying her 10k miles ago she has had a very occasional stutter on warm idle - a single miss/burp and then...
  19. M

    C-Class 1999 W202 Misfire Problem

    Hi all, This is my first post so please excuse me if I sound like a noob. Car Info Model:C-Class C180 Year: 1999 Type: W202 Engine: M111.921 I purchased a C180 earlier this year. It's been running really well for months however it's recently developed a bit of an issue. Over the...
  20. T

    w203 m111 engine misfire and stall when hot

    Hi everyone, me again.:ban: had to call out a recovery last night as my car packed in again, so need some help from you guys, so the cars been running absolutely fine for around 4 months since i replaced the top breather hose and cleaned the butterfly in the throttle body, however yesterday...
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