Enthusiast
I am still trying to understand why my truck starts better cold (1-2 seconds) than warm (3-4 seconds). If I turn my truck off completely and immediately turn the key on again the GPs cycle for a short period of time. Is this normal? My 6.2 and my farther-in-laws D-max won't even turn on after 30 minutes of sitting, and start instantly.
99 K2500 GMC Ext Cab, 6.5TD, Heath ECM reflash, TDC Offset -1.80, Bumped Optic, FSD Isolator, Turbo Master, KD 3.5" Exhaust, 4.10s and 33x11.50, Intercooler is next.
98 Burb 350 1/2T/4l60/246/10Bolts - Wifes Ride
80 Olds Cutlass 6.2/Studded/700R4/12Bolt 3.30s/IP=4544 Juiced by JK/Best MPG=30
79 Olds Cutlass, 410ci/700R4 - Currently Restoring
1992 Mitsubishi Eclipse Turbo, currently 12PSI max boost
39 Chevy Rat Rod
2004 Sportsman 600
2002 Scrambler 500
2007 Sportsman 90
2003 Kazuma 50
2001 XR50
1990 Murry 46"
43 Total pistons!
Email= Dr.Diesel@gmail.com WA9SDJ
Andy,
On my '94 6.5 what you observe is normal. That is to say that the glow plugs heat each time the key is turned from "off" to "on" regardless of engine temp.
I believe the glow plug cycle time is regulated by coolant temp, so if the engine is warm, the glow cycle is quite short, and increases as the coolant temp drops, but even when the coolant is hot, they burn for a short while.
Bob
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