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rough idle

  1. gregorycbr

    Missfire at idle and when cruising

    Hello I have Leon fr auq engine 20vt 133000km the car has miss fire on idle till 2700-3000 RMP not at WOT pressure 1.35 over somethimes boost come and go . is stage one Revo from factory I do bypass n249 (n249 is connected hoses and plugs) and close EGR from Sai because Sai motor is broken ...

  2. Very rough idle

    Hey guys, so it appears my car's condition is getting worse as I try to diagnose problems (first car and not a mechanic). This is going to be a long post because I want to make sure I give as much information as possible, if anyone can give advice it would be greatly appreciated. Engine is 1.8T...
  3. K8VXT

    Rough/"Misfire" Idle

    Hi Guys:wave: I am having some problems with a rough misfire sort of idle (Seat Cupra 280 DSG 2014) So first thing I did was ran codes on the car, 2 errors were stores and but they did not chuck an EML light. - P006800 MAP / MAF - Throttle Position Correlation - P227900 Passive/Abiogenesis...

  4. Rough Idle - Cylinder 2 Misfire only on Idle

    Hi, Need some help diagnosing a Cylinder 2 misfire on a seat leon cupra 2010, tried the usual checking leads with multi-meter, swapping spark plugs and coils. Checked for vacuum leaks but couldn't see any, was a small amount of oil on spark plugs but nothing major, fitted a new valve cover...

  5. BMN 170 rough Idle + Smoke

    Hi All I have just had the cam belt changed on my Leon (BMN) 170 2.0 tdi . We used all the correct locking pins etc and timing 'appears' to be in order, however, When we started the car I noticed a lot of smoke and rough idle whilst warming up. It seemed to drive fine, checked the torsion value...
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