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Re: No Spark 740-760 86

posted by  someone claiming to be Rick Ewald on  Fri Jul 10 13:44 CST 1998 [RELATED]

ICQ>

Kevin,

Ok let's go thru a general no start fault trace.

1. When you turn the key on does the pump run for about 1 second? From your post I would assume that the answer is yes. This idicates that the fuel pump runs and the relay and ECM are capable of turning it on.

2. When you put the engine to crank does the pump run during the cranking?

Again you said yes, as you deduced this indicates that the hall switch is working

3. is there spark at the coil itself? (to test pull the coil wire part way out and have someone else crank the engine) If the answer is yes then the problem is in the distributor secondary (cap, rotor, wires) If the answer is no continue.

4. Is there voltage present at the coil low tension terminals with the key on? ( and are all the wires connected?)

If no fix, if yes continue

5. Is the power stage connected? yes? remove the connector and eximine the terminals on both the power stage and connector if they are corroded they will need to be cleaned. Still no start continue.

6. IS THERE ANY GAS IN THE TANK?

7. Are you sure?

Most likely you will find a bad connection at the power stage or at the coil. If after going thru this still no start get back to me and we will go further





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