300k_logician
Well-known member
Well, here's what's going on:
Here in PDX OR, we have a mild climate, and it's always 40*F and raining. Or at least, 8 months out of the year. Now, it's going under 32*F overnight in the overnight hours.
Basically, my glow plugs (in my '00 ALH 02J Jetta) don't usually need to work this hard. But I've been perplexed as I try to solve my hard cold starts.
-It won't start within a reasonable time frame with only one cycle when it's cold.
-Running the glow plugs 5 times will make things better.
-The issue is not present when the engine is warm.
-The temperature gauge works fine.
I unplugged the Coolant Temperature Sensor:
-The glow plug light acts like my parent's old diesel van, staying on for 20 seconds or so.
-The cold engine starts right up post-glow plug cycle.
-The temperature gauge sits at 0, regardless of actual engine temp.
-When the engine is warm, it will rev at startup (Evidently, a cold engine would need that extra fuel)
So my question is, what do I do?
A) Put Bosch Glow Plugs in. That NKG one is garbage!
B) My relay is bad. Replace it!
C) A coolant temp sensor from NAPA won't suffice! Get something better!
D) If the harness has exposed wires, replace it.
E) All the above
F) Something Else that I have not thought of yet
Thanks for the help.
Thanks for the help, it's much appreciated.
Here in PDX OR, we have a mild climate, and it's always 40*F and raining. Or at least, 8 months out of the year. Now, it's going under 32*F overnight in the overnight hours.
Basically, my glow plugs (in my '00 ALH 02J Jetta) don't usually need to work this hard. But I've been perplexed as I try to solve my hard cold starts.
-It won't start within a reasonable time frame with only one cycle when it's cold.
-Running the glow plugs 5 times will make things better.
-The issue is not present when the engine is warm.
-The temperature gauge works fine.
I unplugged the Coolant Temperature Sensor:
-The glow plug light acts like my parent's old diesel van, staying on for 20 seconds or so.
-The cold engine starts right up post-glow plug cycle.
-The temperature gauge sits at 0, regardless of actual engine temp.
-When the engine is warm, it will rev at startup (Evidently, a cold engine would need that extra fuel)
So my question is, what do I do?
A) Put Bosch Glow Plugs in. That NKG one is garbage!
B) My relay is bad. Replace it!
C) A coolant temp sensor from NAPA won't suffice! Get something better!
D) If the harness has exposed wires, replace it.
E) All the above
F) Something Else that I have not thought of yet
Thanks for the help.
Thanks for the help, it's much appreciated.