User Tag List

Thanks Thanks:  0
Likes Likes:  0
Results 1 to 5 of 5

Thread: Signum 2.2 Direct very rough running.

  1. #1
    Regular Member
    Join Date
    Dec 2011
    Location
    Ayrshire
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default Signum 2.2 Direct very rough running.

    At my wits end with this problem now, really needing some help.

    My 2.2 signum z22yh engine is running very rough. A few weeks ago my emissions light popped on and off for a few days, then was on solid. Car was still running fine for a week then one day was starting to get rough. The car would start up fine, idle well and pull away well, it would drive fine if i very very slowly accelerated (and I mean old man on a sunday accelerating). But if you accelerated like you would normally drive or if you were joining a motorway the car would all of a sudden run very very rough, accelerating was almost not there, took me a few mins to get from 40mph to 70, which I thought was quite a long time lol. Felt like car went into safe mode or running on 3 cylinders but was getting no other warning lights apart from the usual emmisions light which was always on.

    So for the past week Ive been forced to drive everywhere like a 90 year old man in fear I accelerate to hard and it starts running rough again lol.

    After reading through forums I read Throttle body and EGR could be at fault. I set about cleaning them both, which to be honest were not to dirty, although I did notice the little flap inside the egr which opens and closes was very very stiff and hard open, is this normal?

    Now since Ive cleaned the egr and TB out the car is constantly running very rough, as if on 3 cylinders. I dont think its driveable as constantly feels like it going to stall. Idle is crazy now ranging from 500rpm to 1500rpm.

    Also does anyone know how the radiator tap works on this engine, mines would only turn about a quarter and no coolant would come out. Do you twist and pull the plug out? I ended up having to drain it another way to remove the egr.

    Thanks in advance

  2. #2
    Regular Member rushy's Avatar
    Join Date
    Jul 2005
    Location
    Old School Vectra-C.Com. Residing in sunny Leeds.
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

    Default

    Sounds like your HP pump has gone mate. And yep, twist and pull the rad plug.

  3. #3
    Regular Member
    Join Date
    Dec 2011
    Location
    Ayrshire
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    I had a feeling it could be that mate. Were they ever under a recall or was that just the regulator?

    Is the fuel pump located in the tank? I might change it myself unless you think its more a job for someone with experience

  4. #4
    Regular Member
    Join Date
    Dec 2011
    Location
    Ayrshire
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    Update.

    I picked up a new pump today, was branded continental and only cost £180 so quite chuffed at that. But when i put new pump in there was no change from the day before. I did notice though I had put the air flow sensor around the wrong way the day before, so I put it the correct way and the car seems a bit better. Will idle perfectly, but still getting this problem with harder acceleration, which feels like a massive flat spot when you put the boot down. Emissions light is also still on. But if you drive it grandad style it will drive great all day.

    I cleaned out the throttle body again today, and deep inside looked very very dirty when the throttle body was off. Is there a way to clean inside?

    Place I got the pump from kindly refunded me, so at least Ive ruled out that problem at no cost.

    Any other ideas guys? Cant get the car on a computer to read fault codes till friday. Ive tried the brake, accelerator and turning key test to see any fault codes but none appearing.
    Last edited by andrewleighton; 26th June 2012 at 17:57. Reason: Spelling mistake

  5. #5
    Regular Member
    Join Date
    Mar 2012
    Location
    Walsall
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    regulator if its not the pump, or the sensor on the rail.. just had my continental pump fail on me, with the same symptoms..

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. signum 2.8 Rough Running When Cold
    By viper8 in forum Engine & Drivetrain
    Replies: 3
    Last Post: 7th August 2012, 23:15
  2. 2.2 vectra running a bit rough
    By tweenage in forum Engine & Drivetrain
    Replies: 3
    Last Post: 20th January 2012, 16:20
  3. sri 150 running rough on start up help?
    By danni_kitch in forum Diesel Engine related
    Replies: 6
    Last Post: 26th September 2011, 13:30
  4. 2.2 Sri Direct - running rough
    By johnmac in forum Engine & Drivetrain
    Replies: 0
    Last Post: 24th December 2007, 19:12
  5. Rough running with KaN air filter
    By Kcs in forum Engine & Drivetrain
    Replies: 12
    Last Post: 21st February 2007, 22:45

Visitors found this page by searching for:

vauxhall signum running rough

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •