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misfire

  1. smoothcoupe

    w140 500 blowing exhaust with misfire

    my s500 coupe runs smooth when cold but when hot the exhaust blows quite badly and car hardly runs it seems to sort of misfire and go into a limp mode... the blowing is at the flange with the down pipe and the cats before the o2 sensor could this be causing this... my car is a 1993 model 140...
  2. M

    Misfire

    Usually at idle when cold.....very very lumpy with no acceleration and lots of rubblings from under the bonnet am going to change coil and leads as had plugs done at 60k service Anybody recommend anywhere to buy from
  3. C

    A160 misfire hesitation

    can a problem with the ecu/maf sensor cause no.4 cylinder to be low on a compression test.reason i ask is i have an A160 with misfire and hesitation and lumpy idle.put in new plugs and no difference.had star test done,not by mercedes people though and no faults found.did compression test and no1...
  4. C

    A160 1999 misfire problem

    hi got an A160 1999 just recently.got it very good price but has a misfire when warm and hesitates when accelerating,idling eratic not smoking at all but smells very much of the cat.put set of plugs in and no difference.had star test done and no faults found.lot of people say could of been coil...
  5. C

    A160 Misfire And Hesitation General

    :confused: HI I HAVE RECENTLY PURCHASED AN A160 1999 AND HAVE A COUPLE OF PROBLEMS WITH MISFIRE AND HESITATION WHICH i HAVE POSTED IN THE ENGINE FORUM PLEASE TAKE A LOOK TO SEE IF YOU CAN HELP MANY THANX CHIPSRAFF
  6. C

    R129 500SL - curious misfire problem

    I've had my 500SL-32v '92 model for a year now and have been struggling with a persistent misfire problem. Basically, the car starts and runs OK but after it has warmed up it starts to misfire under load and at idle. If you give it too much gas it baulks and feels like one bank of cylinders...
  7. S

    C240 Lumpy Idle / Misfire

    In the past three days, my otherwise perfect C240 (2.4) has developed a bit of an intermittent misfire complete with lumpy idle. The fault just occured, no hints or signs. I first noticed it when there was a momentary loss in power when pressing the loud pedal followed by one or two small...
  8. crockers

    Misfire ?? Hesitation? any ideas?

    Hi I was wondering if anyone can give me a few pointers.. I own a W203 320cdi and the other night was taking friends to the theatre -- whilst pulling up a hill I put my foot down and there was a mild splutter - enough for my wife to ask why was I driving like that ...but no more until today...
  9. H

    HELP misfire

    Hi am new to forum and need some help! i have 1997 e class estate 230 witch has a miss seems ok on tick over but as soon as you select drive it starts to miss fire wa told it was the maf so changed it bit better but still not right,then i was told there are about 5 difrent types maf's ...
  10. lynall

    E430 slight misfire at idle

    Slight misfire at tickover runs fine rest of the time, doesnt do it straight away takes a couple of seconds once revs have dropped. Have serviced it all oils and filters spark plugs cleaned maf all to no avail. Plugs did not look very old, oil filthy as was air filter Any ideas appreciated...
  11. P

    c180 compressor missing misfire ???

    Hi guys, need some advice please ? am doing this for my dad as he is 78 yrs old. He has a c180 compressor bought from new 52 reg, done 25,000 mls. has fault sometimes missing , misfire running rough. he called out the merc breakdown people and they said it looks like a coil fault. the guy...
  12. B

    w163 ml320 engine misfire

    hello i have an ml320 1999 and it has develeped a misfire. if i rev the car up in neutral it will start to misfire when it gets above 4000 rpm. (the fault code that comes up is for random misfire) when i let it go again the car goes back to normal running. however when i put the car under load...
  13. T

    300ce-24 M104 with a misfire

    Can anyone please help me as I’m starting to get really feed up with my car and I’m not far off giving up and getting rid. It’s a 300ce-24 with a M104 engine. It has always had a misfire, which started 10 minutes into driving. This would be at tick over but would come and go. The car would...
  14. smoothcoupe

    w124 e280 misfire sorted

    the misfire is now sorted. i changed the 3 ht leads and plugs... but it still misfired. i then changed the first coil, it then started and ran perfectly...also can anyone tell me what the gaps on the plugs should be.. thanks.
  15. smoothcoupe

    w124 e280 misfire

    hello guys.. i was driving my e280 today and all of a sudden it started a misfire. when cruising it doesnt seem too badd but when idling it misfires like hell with lack of power.. i examined the ht leads and they seem to be burnt on the ends and some of them had their rubber shrouds inside...
  16. G

    A140 misfire could use some help please!

    Hi, I have taken a customers car in on Friday with a really bad misfire, really lumpy at idle and wouldn't rev at all. The plugs were changed about 200 miles ago at a dealer. I removed the coil pack and checked them - they all look OK. Thought I could hear tracking noises from the coil pack and...
  17. merc man

    Hidden treasure (Pug 306) with a misfire

    hi there A long story short. I purchased a house not to long ago, it needed some attention, which is now done, time to tackle garden, looked in rear garage which was packed, garden tackled time to empty garage, a surprise a 306 was tucked under all the mess under a cover, what a find...
  18. A

    Misfire

    CLK 270 shudders and vibrates. The car drives around town very smooth and is a joy to drive, when taken onto the motorway it turns in to a nightmare I think that it’s a misfire but who knows. If I run it up to 61 mph there is no problem at 62 mph it starts jump about, foot down hard and it...
  19. E

    E220 w124 misfire

    I have a very anoying problem, If i do not use my car for 3 days, when i try to start it it misfires, it ticks over but if i put it in gear it stalls. I have had a new air mass sensor fitted a new fuel presure valve, new coils, new plugs, camshaft sensor fitted and still no joy! I have taken it...
  20. N

    misfire on clk200 help

    hello there im new to this forum but ive have recently bought my wife a clk 200 and it has developed a misfire but will clear and be fine for a while i have tried the coil packs which i would have thought an obviouse but no better.i have been told that they suffer with ecu 's and wiring looms...
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