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Intermitant starting 700 1987

posted by  Blue Horse on  Tue Aug 8 02:49 CST 2006
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last visit: Mon Apr 8 17:57 CST 2013
[RELATED]

Also check the radio interference suppression relay. It's the one mounted right next to the coolant bottle, on the right strut tower. The name is misleading---it supplies voltage to the injectors. They often fail intermittently, causing symptoms similar to what you describe. The failure is due to bad solder joints inside the unit---the jolt of slamming the hood could move it enough to let current through for a while. I've had three of these relays go bad, but never had a problem with the ignition amplifier. Next time it won't start, see if it has spark. If yes--suppressor relay. If no---amplifier or other ignition component.






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