any ideas?

H

Harper

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My Calibra won't start it just keeps turning, I've tried getting the coil replaced to no avail, (the plugs aren't sparking) so the mechanic thinks it could be the immobiliser (but it hasn't done this every time, it started and ran fine for a week) Any idea what could be causing the problem? thanks Michael.
 
Harper said:
My Calibra won't start it just keeps turning, I've tried getting the coil replaced to no avail, (the plugs aren't sparking) so the mechanic thinks it could be the immobiliser (but it hasn't done this every time, it started and ran fine for a week) Any idea what could be causing the problem? thanks Michael.
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Are you getting fuel pressure too? Does the ECU light come on with ignition?

If you're getting the ECU light but no fuel/spark, then I would suspect the crank sensor. If no ECU light then the injection control relay is prolly at fault.
 
Rusty® said:
Are you getting fuel pressure too? Does the ECU light come on with ignition?

If you're getting the ECU light but no fuel/spark, then I would suspect the crank sensor. If no ECU light then the injection control relay is prolly at fault.
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The engine mgt light has always been off since this started happening, when i unplugged/replugged the fuel relay it'd come on then go off again, a new relay didn't do anything however i've left it alone since saturday and now the mgt light is on everytime, is it likely to start? (i'll have to get jump leads) as i've never been able to try it when that particular light is on
 
Harper said:
The engine mgt light has always been off since this started happening, when i unplugged/replugged the fuel relay it'd come on then go off again, a new relay didn't do anything however i've left it alone since saturday and now the mgt light is on everytime, is it likely to start? (i'll have to get jump leads) as i've never been able to try it when that particular light is on
Click to expand...

On an old cavalier I had that broek down twice the first time was a faulty HT lead fromt he coild to the dizzy. The second time it was the drive dog to the rotor arm that had disintegrated. Both meant that the plugs had no spark.
 
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