Misfiring problem!!!!!

1. NICK2506 Saxperience Post Whore Joined: Apr 2008 Surrey Posts: 6424 Black '03 Mk2 VTS

   #1 7th February 2010, 10:48

   Yesterday my car was misfiring like mad, started off doing it occasionally and after about 1-2 hours of driving i couldnt even reach 50mph, the battery light would flicker when i got speed up.
   
   Changed the spark plugs and it was fine.....drove about 20 miles and it was absolutely fine then it started misfiring again.
   
   Ive worked out that if i put my foot down then it misfires between 2000 and 3000 revs then over 3000 it stops.
   
   if i dont put my foot down and just gently accelerate through the gears then it wont misfire between 2000 and 3000 revs, its only when i put my foot down.
   
   what would it be??
   
   help asap please!
2. NICK2506 Saxperience Post Whore Joined: Apr 2008 Surrey Posts: 6424 Black '03 Mk2 VTS

   #2 7th February 2010, 13:09

   bumpppp!!!
3. EwynSaxo Established Member Joined: Dec 2008 Penpedairheol/Cascade/Bargoed Posts: 2104 Furio R.I.P, onyx Gti, astra turbo

   #3 7th February 2010, 13:15

   i had a problem like this but my saxo didnt misfire just bogged down through the gears
   found myself constantly dropping the box
   later found out my lamda senser was fucked:\
4. Saxo-Gaz Infrequent Poster Joined: Dec 2009 Aberdare Posts: 166 Mk1 1.1i Saxo

   #4 7th February 2010, 13:18

   Coilpack?
5. NICK2506 Saxperience Post Whore Joined: Apr 2008 Surrey Posts: 6424 Black '03 Mk2 VTS

   #5 7th February 2010, 13:36

   Quote:

   Originally Posted by EwynSaxo i had a problem like this but my saxo didnt misfire just bogged down through the gears found myself constantly dropping the box later found out my lamda senser was fucked:\

   thats interesting cos i know my lambdas fucked as i do about 100 miles on £20. so maybe its that. it is bogging down through the gears and sounds like its really raspy and struggles to get speed up.
6. adamm Saxperience Forum Bum Joined: Jun 2008 Posts: 4004

   #6 7th February 2010, 13:39

   sounds abit like what im getting atm just boggs down then power comes back iv had sparks changed will be getting a fuel filter change and might get the lamda sensor changed to as my fue economy seems to be quite bad. also only really does it if my foots down and im trying to get good eceleration if i just go slowly it doesnt do it
7. Aly Saxperience Addict Joined: Apr 2007 Sunderland Posts: 10341

   #7 7th February 2010, 13:45

   It could be your injectors
8. scott-e- Regular Poster Joined: Feb 2009 liverpool Posts: 347 saxo 1.1 =dead 1.2 16v clio mk2 ph2

   #8 7th February 2010, 14:58

   i had prety much the same problem alot of noise in the low revs when you put your foot down and no power was told to change throttle bodie and everyfink didnt work changed the air filter and the problem went all together
9. jimbo-vtr L-plater Joined: Jan 2010 Posts: 48

   #9 7th February 2010, 15:42

   Quote:

   Originally Posted by aly051 It could be your injectors

   Very unlikely to be all 4 injectors are fooked....
10. user_15516 Saxperience Post Whore Joined: Apr 2007 Posts: 6640 Integra DC5R & VTS

    #10 7th February 2010, 15:43

    Try coil pack, MAP sensor, crank sensor.
11. Aly Saxperience Addict Joined: Apr 2007 Sunderland Posts: 10341

    #11 7th February 2010, 16:07

    Quote:

    Originally Posted by jimbo-vtr Very unlikely to be all 4 injectors are fooked....

    Yes but if one is gone it can cause a misfire
12. NICK2506 Saxperience Post Whore Joined: Apr 2008 Surrey Posts: 6424 Black '03 Mk2 VTS

    #12 7th February 2010, 17:06

    Quote:

    Originally Posted by scott-e- i had prety much the same problem alot of noise in the low revs when you put your foot down and no power was told to change throttle bodie and everyfink didnt work changed the air filter and the problem went all together

    well also my oil breather pipe is a bit dodgy and im not sure if its actually breathing. so could be that!?
    ive got an induction kit so may clean it and see if that helps
    
    and yeah my lambda is defo screwed so im gunna change that and see if that solves it
13. user_20080 Saxperience Hardcore! Joined: Dec 2007 smurfland. Posts: 17346 Ex saxo owner.

    #13 7th February 2010, 17:19

    Get your alternator checked for free at Halfords it sounds to me like its not putting out the correct voltage all the time which is making your car bog down.
    
    Steve.
14. NICK2506 Saxperience Post Whore Joined: Apr 2008 Surrey Posts: 6424 Black '03 Mk2 VTS

    #14 7th February 2010, 17:49

    Quote:

    Originally Posted by stevo67 Get your alternator checked for free at Halfords it sounds to me like its not putting out the correct voltage all the time which is making your car bog down. Steve.

    ooooh could be.....my battery light doesnt flicker now when it bogs down, but yesterday it was misfiring really badly and just had no power at all through all the revs and the battery light would flicker when the revs got high.
15. iJAZ Newbie Joined: Sep 2010 Posts: 5 Saxo VTR

    #15 10th January 2011, 02:00

    Its not injectors or anything serious its your coil pack thats worn and isnt firing correctly i had the exact same problem with my VTR. What you wanna do is get some fresh spark plugs costing about £10 and a new COIL PACK go to a well known local garage or online and get a BRAND NEW one costing roughly between £60-£90 but will have to wait for delivery if you dont wanna wait then head to nearest CITROEN/PEUGEOT dealer and there will be 90% there is one in stock. BUT will have to pay a wacking price inc CAT of around £110-£120ish hope this helps btw i also said the PUG garage because the coil packs for saxos are same as 106's
16. iJAZ Newbie Joined: Sep 2010 Posts: 5 Saxo VTR

    #16 10th January 2011, 02:03

    V.A.T not CAT lol dont let cat confuse you lol this is nothing to do with your exhaust
17. JacSmith Newbie Joined: Jun 2012 Posts: 9

    #17 22nd August 2012, 04:15

    There could really be a lot of reasons for the misfiring. I had the same problem brought my air filters and alternators to a nearby auto shop. Aside from the clogged air filter I had my alternator cut out causing the car not powering up or slowing down. There are also noises produced and the battery won't charge.
18. crutchs Frequent Poster Joined: Mar 2012 chester Posts: 612 VTR mk 2

    #18 22nd August 2012, 08:24

    I had this problem so brought a new map sensor and cleaned my idle control valve (it idled funny too) and it was fine
19. jack2012 L-plater Joined: Mar 2012 Sunderland Posts: 50 saxo vts

    #19 22nd August 2012, 09:32

    Coilpack
20. user_29491 Saxperience Forum Bum Joined: Dec 2008 Lancs Posts: 4124 JP4S'd R.

    #20 22nd August 2012, 09:38

    DATE POSTED: 7th February 2010, 10:48
    
    He's probably sold/crashed/scrapped the car.
21. user_39461 Super Moderator Joined: Nov 2009 Cambridge(ish), UK. Posts: 10581 BMW 5x M50d.

    #21 22nd August 2012, 09:47

    thank you all...