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89 740gl random starting problem 700

posted by  Bill Bretherton on  Thu Sep 29 01:39 CST 2005
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last visit: Wed Oct 22 12:52 CST 2014
[RELATED]

1. Watch the tach whilst cranking - should jump a little, indicating RPM sensor and power stage work. If dead, suspect RPM sensor first - common fault.
2. Listen for fuel pump as you release key - if silent suspect fuel pump relay - common fault. If tach is dead but you hear pump, suspect power stage.
3. If OK so far, check for spark. If no spark, your coil may be intermittent or you may have an ht lead or rotor arm fault.
4. If still not solved, check the FAQ section.

Regards.
--
BillB
--
BillB






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New 89 740gl random starting problem [700]
posted by  someone claiming to be kurt  on Wed Sep 28 08:30 CST 2005 >


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