Quote:
Originally Posted by Pia
Error codes from the ecu? How do i do that then? 
No they don't, i did already test this tonight when i got home. It will only start doing it generally when i'm already moving, but it doesn't stop as soon as i stop the car.... not much in time difference though |
I'm thinking Vehicle Speed Sensor or loose Idle control screw then. I'll try and find some pictures if you know which type of engine its got probably CVH or Zetec. In basic terms it'll be next to the end of the throttle cable in the engine bay, bit that moves on the intake when you press the throttle.
To check the fault codes theres normally a plug that is used to plug into a computer the garage have, you can normally read error codes by shorting a particular pair of wires with a paperclip and then turning on the ignition. The engine check light should then flash the code.
Without knowing this car though I dont know if this procedure is possible and if so where the plug is or what wires to short, the safest bet would be to get a garage to check the error codes. I would still check the idle control screw first though.
---------- Post added at 21:25 ---------- Previous post was at 21:22 ----------
Quote:
Originally Posted by Wicked_and_Crazy
What colour is the soot on the inside of the tail pipe? If its dark (black) and damp would tend to suggest its running too rich
Does it only do this when cold? Could be the auto choke if its naturally aspirated
When it does this does it blip too fast and then slow down?? Could indicate a speed sensor fault
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I thought they were all EFI by that point and they dont have a choke as such?