1991 vw jetta gl turbo diesel

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hotrod538 [guest] from 10W40.com
1991 vw jetta gl turbo diesel Posted 7-3-2003 05:04

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starts very good after setting all night. is hard to start if motor is warm, say sat for 1 hour or so. it appears to me that the glow plugs do not cycle if the motor is other than stone cold.any advice would be appreciated. im thinking maybe ther is some kind of sensor or relay hopefully that can be replaced. any replies welcome.