surge while cruising at 65 to 70 mph on hwy

momstmg78 · 04-10-2011, 10:29 AM

what could cause a constant surge while cruising on hwy between 65 to 70 mph. just started today. recently had hpfp and all injectors replaced under recalll. some things i thought of : 02 senser or bad gas? thx in advance.

wren57 · 04-10-2011, 10:54 AM

Explain what you mean by "surge". Does it happen under cruise control?

GMWNashville · 04-10-2011, 02:28 PM

I've seen carbon buildup cause most of the part throttle or cruising stutters..

momstmg78 · 04-10-2011, 07:01 PM

thx i might have to pull intake manifold off next weekend and check them out.

04-10-2011, 10:29 AM	#1
momstmg78 Banned 12 Rep 376 Posts Drives: 335i sedan Join Date: Oct 2010 Location: Turkish's house iTrader: (0)	surge while cruising at 65 to 70 mph on hwy what could cause a constant surge while cruising on hwy between 65 to 70 mph. just started today. recently had hpfp and all injectors replaced under recalll. some things i thought of : 02 senser or bad gas? thx in advance.
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04-10-2011, 10:54 AM	#2
wren57 Roll Tide 591 Rep 2,345 Posts Drives: 335i Join Date: Jul 2010 Location: St Louis iTrader: (10)	Explain what you mean by "surge". Does it happen under cruise control? __________________ Fix your broken/stripped cowl bolts with this elegant brass solution! http://www.e90post.com/forums/showthread.php?p=20230306
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04-10-2011, 02:28 PM	#3
GMWNashville Colonel 172 Rep 2,373 Posts Drives: 19 G05, 16 F80, 10 E70x5D Join Date: Jan 2008 Location: Nashville, TN iTrader: (2)	I've seen carbon buildup cause most of the part throttle or cruising stutters..
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04-10-2011, 07:01 PM	#4
momstmg78 Banned 12 Rep 376 Posts Drives: 335i sedan Join Date: Oct 2010 Location: Turkish's house iTrader: (0)	thx i might have to pull intake manifold off next weekend and check them out.
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