Weird MC engine problem - resolution

Mihnea Cotet mik at
Fri Aug 23 21:46:46 EDT 2002

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!


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
>   +44 7785 302 803

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