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What's wrong with my Focus?!

Been having a few problems with our car of late & was wondering if anyone might have any ideas as to what the problem may be & cost to fix.

It's a '99 1.8(A/C) engine branded as a zetec. We've been having problems with the speedo failing but understood that to be an intermitent fault that a lot of Focus models have so we weren't too worried. Just lately though we've noticed that the car runs fine first thing in the morning but when you take it out later in the day, there is loss of acceleration when the speedo fails & when you change down to stop or turn a corner, the engine cuts out all together! Obviously this results in the loss of power steering so this has resulted in a lot of near misses on roundabouts & with parked cars & other objects!:eek:

Sometimes you can get the engine to start up again if you pump the gas when it has stalled but not always.

It passed it's MOT with flying colours just a few months ago, but had advisory notice that the exhaust would need replacing before the next MOT.

Anyone have any ideas?! Any advice would be much appreciated!
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Comments

  • tomstickland
    tomstickland Posts: 19,538 Forumite
    10,000 Posts Combo Breaker
    Electrical fault. It's worth unplugging things, spraying WD40 and then reconnecting.
    Happy chappy
  • TiTheRev
    TiTheRev Posts: 3,215 Forumite
    Sounds electrical, and could be a 10p fuse or £400 ECU??? Get it on a Ford diagnostics machine and it should have fault codes registered on the memory to say what's been playing up...even if it's intermittent.
    :A Luke 6:38 :A
    The above post is either from personal experience or is my opinion based on the person God has made me and the way I understand things. Please don't be offended if that opinion differs from yours, but feel free to click the 'Thanks' button if it's at all helpful!
  • TiTheRev
    TiTheRev Posts: 3,215 Forumite
    Electrical fault. It's worth unplugging things, spraying WD40 and then reconnecting.
    No, no, no!!! :shocked::shocked::shocked:

    You may do more harm than good. Gone are the days when you can fix things yourself with WD40. Disconnecting the wrong plug could reset the ECU and then you'd need to include recovery to the garage bill!
    :A Luke 6:38 :A
    The above post is either from personal experience or is my opinion based on the person God has made me and the way I understand things. Please don't be offended if that opinion differs from yours, but feel free to click the 'Thanks' button if it's at all helpful!
  • tomstickland
    tomstickland Posts: 19,538 Forumite
    10,000 Posts Combo Breaker
    Rubbish. Bad electrical connections due to damp are a common fault. If the battery is disconnected then the ECU will have no knowledge that a sensor is disconnected. Just make sure that it's all connected back up properly.

    A few years back I had no end of problems with a car backfiring, losing power etc, so I sprayed WD40 down all of the connectors and it worked fine afterwards.

    Reading the fault codes will only show up detectable faults.
    Happy chappy
  • TiTheRev
    TiTheRev Posts: 3,215 Forumite
    Rubbish. Bad electrical connections due to damp are a common fault. If the battery is disconnected then the ECU will have no knowledge that a sensor is disconnected. Just make sure that it's all connected back up properly.

    A few years back I had no end of problems with a car backfiring, losing power etc, so I sprayed WD40 down all of the connectors and it worked fine afterwards.

    Reading the fault codes will only show up detectable faults.
    Nonsense. All fault codes are stored on an ECU, intermittant or otherwise. Disconnecting the battery will a) wipe those fault codes so if you do take it to a garage there will be nothing to say what went wrong, and b) may cause issues with sensors that require a constant feed, creating even more issues.

    7/8 years ago you could play a bit more, but electronics on a car now are too advanced for self-maintenance.
    :A Luke 6:38 :A
    The above post is either from personal experience or is my opinion based on the person God has made me and the way I understand things. Please don't be offended if that opinion differs from yours, but feel free to click the 'Thanks' button if it's at all helpful!
  • Inactive
    Inactive Posts: 14,509 Forumite
    TiTheRev wrote: »

    7/8 years ago you could play a bit more, but electronics on a car now are too advanced for self-maintenance.


    Erm er..the Focus is 9 years old.;)
  • TiTheRev
    TiTheRev Posts: 3,215 Forumite
    Lol, I thought it was an '04 :o i'd still be dubious about playing with electrics without knowing what sensor does what...
    :A Luke 6:38 :A
    The above post is either from personal experience or is my opinion based on the person God has made me and the way I understand things. Please don't be offended if that opinion differs from yours, but feel free to click the 'Thanks' button if it's at all helpful!
  • XDA
    XDA Posts: 405 Forumite
    Part of the Furniture 100 Posts Name Dropper Combo Breaker
    I have a 5 year old Focus zetec, and mine recently started cutting out with loss of steering etc. Took it to the garage and it was the fuel filter clogged up with muck. They are supposed to be renewed every 25k anyway.

    Do you have any lights flashing on the dash when it cuts out?
    “Hardware: The parts of a computer system that can be thrown out of the nearest window!”
  • Pssst
    Pssst Posts: 4,803 Forumite
    Part of the Furniture 1,000 Posts
    (Cue sharp intake of breath by mechanic) Yer...itsyer DC wobbulator missus...known for it they are...known for it. I can fix it a week next Tuesday.
  • nickcc
    nickcc Posts: 2,265 Forumite
    Part of the Furniture 1,000 Posts Combo Breaker
    TiTheRev wrote: »
    Nonsense. All fault codes are stored on an ECU, intermittant or otherwise. Disconnecting the battery will a) wipe those fault codes so if you do take it to a garage there will be nothing to say what went wrong, and b) may cause issues with sensors that require a constant feed, creating even more issues.

    7/8 years ago you could play a bit more, but electronics on a car now are too advanced for self-maintenance.
    Disconnecting the battery should not clear the fault codes out of the memory. I had a new battery fitted to my 2001 car and all the previous fault codes remained. These could only be cleared by the dealer using a star computer.
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