Quote:
Originally Posted by uberwasser
This is not a problem with the glow plug relay. Even with a totally bad relay, or even a disconnected relay, the engine should still turn. And if you crank long enough (30-60 seconds) with healthy compression and mild ambient temps the engine should still start.
However, since you can repeat the process, it seems to be related in some way. I'd suspect a weak battery. When the glow plugs are lit it doesn't have enough juice to turn the starter. Only after the relay is no longer drawing on the battery does it have the power needed.
That's an easy place to start anyway. You can have it tested.
If it's not that, your cable connection to the starter may be dirty/corroded, same with your battery ground cable. Or you might have a faulty NSS or starter.
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This is why I was suggesting to check for the Voltage Drop on the Battery.
Besides the normal Pre-glow/Glow Plug Cycle before you crank the Glow Plugs are also on when you turn the Key to start Cranking the Starter.
Once got 2 good starts out of a Battery and drove the Car in between the Starts. On the 3rd Start I got noting at all. A Voltmeter applied to the Battery showed 12 Volts making Me think My Ignition Switch was shot.
When I appled a Jumper Wire to the Starter Solenoid there was only a tiny Spark. So the Battery had Voltage but little or no amperage available.
I could not do the Voltage Drop test on the Batter as I was by myself and had no way to clip the Volt Meter to the Batter.
Across the Street was an Autozone and I bought another Battery and after that was replaced the Engine started right up.
It is not common for Batteries to fail like that but it happens.