Weird MC engine problem - resolution

[Mihnea Cotet]

Hi Phil!


I'm glad to head this issue was solved, even if you didn't solve it
yourself... now there's one more I5t on the road and that makes me happy :-)


Good to hear from you as well :-) I hope you'll stay with us again for a while!

Mihnea

At 16:02 23/08/2002 +0200, Phil Payne wrote:
>First of all - my respect to the guys at Turbotronics who finally nailed
>this problem using
>'first principles'.
>
>a) The ignition switch is definitely 'iffy' but not the ultimate cause.
>
>b) The main reason for the sudden expiry was a blocked catalyser.  Rodding
>it out improved
>matters.  The cat is not a legal requirement on this particular model year.
>
>c) What was fooling us - the TDC sensor had been damaged by an overzealous
>tie-wrapper -
>damage to the screen and one of the wires.  Sometimes it worked -
>sometimes it didn't.  The
>killer was - when it wasn't working it was picking up a spurious signal by
>induction from a
>plug wire!  No codes - the ECU thought it was seeing a real crank sensor
>signal - the timing
>was just so far off that the engine ran backwards.
>
>--
>   Phil Payne
>   http://www.isham-research.com
>   +44 7785 302 803