Can foul plugs cause long cranks?

Drakos · 08-21-2010, 04:18 PM

Been getting long cranks the past 2 weeks. Doesn't happen on every start up but most if I let the vehicle sit for a while. Could be HPFP but I want to be an optimist

Anyhow, can foul spark plugs cause long cranks? I have 21K Kms on the car and have been running JB3 since new.

DJKhan85 · 08-21-2010, 04:22 PM

Plugs could cause long cranks but mostly they cause a rough idle. Any rough idle?

Drakos · 08-21-2010, 04:23 PM

Little rough idle but not too bad.

cstavaru · 08-21-2010, 04:55 PM

Face the truth man...HPFP.

wc335i · 08-21-2010, 05:27 PM

Mine is doing the same thing and only happens when it sits over night. Other than that it runs perfect.

I guess i'll just expect a dealer visit in the future.

Drakos · 08-21-2010, 05:30 PM

The ethanol myth is thrown out the window now. Filled up on nothing but Shell V-Power (with no ethanol) since day 1. I hope that BMW really feels the multitude of lawsuits that are emerging.

08-21-2010, 04:18 PM	#1
Drakos Lieutenant 70 Rep 534 Posts Drives: 2022 G42 M240i Join Date: May 2009 Location: Canada iTrader: (1)	Can foul plugs cause long cranks? Been getting long cranks the past 2 weeks. Doesn't happen on every start up but most if I let the vehicle sit for a while. Could be HPFP but I want to be an optimist Anyhow, can foul spark plugs cause long cranks? I have 21K Kms on the car and have been running JB3 since new.
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08-21-2010, 04:22 PM	#2
DJKhan85 Major 24 Rep 1,190 Posts Drives: 2011 4dr 6mt Golf GTI Join Date: Jun 2009 Location: Boston Massachusetts iTrader: (1)	Plugs could cause long cranks but mostly they cause a rough idle. Any rough idle? __________________ 2011 VW GTI 4dr-6mt-Sunroof-Nav-Xenons OLD: 08 335i AW/CR/Poplar 6mt-ZSP-ZPP-ZCW-iPod-iDrive-PDC-Style 230s w/FK 452-Dinan LSD
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08-21-2010, 04:23 PM	#3
Drakos Lieutenant 70 Rep 534 Posts Drives: 2022 G42 M240i Join Date: May 2009 Location: Canada iTrader: (1)	Little rough idle but not too bad.
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08-21-2010, 04:55 PM	#4
cstavaru Brigadier General 330 Rep 3,262 Posts Drives: 2009 335i M Sport Sedan 6MT Join Date: Aug 2008 Location: Bucharest, Romania iTrader: (0)	Face the truth man...HPFP. __________________ Mods(click): Cobb + RB Turbos \| Aquamist HFS-4 Meth \| Drexler LSD \| Bilstein B12 Pro-Kit \| Custom K&N Apollo Intake \| Wagner Intercooler \| Macht Schnell Downpipes \| BMW Performance Power Kit \| BMW Performance Exhaust \| BMW Performance Short Shifter \| M3 Subframe Bushings \|
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08-21-2010, 05:27 PM	#5
wc335i New Member 0 Rep 20 Posts Drives: 2007 E92 335i Join Date: Jul 2010 Location: DFW, Texas iTrader: (0)	Mine is doing the same thing and only happens when it sits over night. Other than that it runs perfect. I guess i'll just expect a dealer visit in the future.
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08-21-2010, 05:30 PM	#6
Drakos Lieutenant 70 Rep 534 Posts Drives: 2022 G42 M240i Join Date: May 2009 Location: Canada iTrader: (1)	The ethanol myth is thrown out the window now. Filled up on nothing but Shell V-Power (with no ethanol) since day 1. I hope that BMW really feels the multitude of lawsuits that are emerging.
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