Half Engine light when pushing car

Greatdane84 · 06-11-2013, 07:51 AM

My first thought is Vanos Solenoids. What my problem was when it started getting hotter out and I was pushing the car hard.

JStang · 06-11-2013, 08:01 AM

Sounds like a boost leak to me.

vanondemand · 06-12-2013, 05:16 AM

Quote:

Originally Posted by enrita

disable can clear

What is that?

enrita · 06-12-2013, 05:24 AM

Quote:

Originally Posted by vanondemand

What is that?

http://www.e90post.com/forums/showthread.php?t=464460

dicostal · 06-13-2013, 02:15 PM

WTF, i just had the same issue yesterday happen to me for the first time, although I was pushing the car pretty hard for about 10 miles, from about 60MPH to 130MPH with many downshift to 4th pulls. (FBO with GIAC II)

I will stop by Auto Zone and have them read the codes and report back, I've been noticing a bit of "turbulence" under load, usually an indication of fuel ignition problem, so it can be a number of issues (coil, plugs, injectors, vanos)

my car is no longer under warranty so I hope its nothing serious. Performance went back to normal after restarting the car.

007_e350 · 06-13-2013, 03:03 PM

Quote:

Originally Posted by dicostal

WTF, i just had the same issue yesterday happen to me for the first time, although I was pushing the car pretty hard for about 10 miles, from about 60MPH to 130MPH with many downshift to 4th pulls. (FBO with GIAC II)

I will stop by Auto Zone and have them read the codes and report back, I've been noticing a bit of "turbulence" under load, usually an indication of fuel ignition problem, so it can be a number of issues (coil, plugs, injectors, vanos)

my car is no longer under warranty so I hope its nothing serious. Performance went back to normal after restarting the car.

The half engine malfunction light in my case is a shadow code, autozone OBDII reader wont show any codes, I'm trying to get BT scanner to get to all those codes + other stuff you can study abt ur car

Bluesun · 06-13-2013, 03:51 PM

This happened to mine a couple of years ago. It was still under CPO and it took them a few tries to figure out the issue. In my case, as others have suggested, it turned out to be the vanos (is the THE vanos, or VANOS, or vanos solenoid? I honestly barely know what we're talking about here...). They also replaced a bunch of vacuum lines come to think of it -- it may have been related to that as well. Since then everything has been fine.

Well...fine except for fuel pump x2, chipped cam (manufacture flaw), water pump, leaky oil filter housing (still needs replaced), etc etc... But I still love my car

.

dicostal · 06-14-2013, 02:46 PM

Do you think that Carbon Build up could cause a Half Engine light? My car has about 70k miles and never got it done, I plan to get this done soon, and i was wondering what are your experiences.

Thank you

Jeef · 06-14-2013, 02:51 PM

I get this problem too when I push the car a bit over a bumpy road, a half engine light comes on..

vanondemand · 06-15-2013, 06:00 AM

Ok problem got worst, the car starts to shake at around 3k RPM, check engine light turned on and scanned the code its misfiring cylinder 3 I think this is the problem overall.

enrita · 06-15-2013, 06:08 AM

Quote:

Originally Posted by vanondemand

Ok problem got worst, the car starts to shake at around 3k RPM, check engine light turned on and scanned the code its misfiring cylinder 3 I think this is the problem overall.

http://www.e90post.com/forums/showthread.php?t=631829

ken1137 · 06-15-2013, 10:18 AM

Quote:

Originally Posted by dicostal

WTF, i just had the same issue yesterday happen to me for the first time, although I was pushing the car pretty hard for about 10 miles, from about 60MPH to 130MPH with many downshift to 4th pulls. (FBO with GIAC II)

I will stop by Auto Zone and have them read the codes and report back, I've been noticing a bit of "turbulence" under load, usually an indication of fuel ignition problem, so it can be a number of issues (coil, plugs, injectors, vanos)

my car is no longer under warranty so I hope its nothing serious. Performance went back to normal after restarting the car.

Had the same issue after installing GIAC Stage II. Turned out to be my injectors. BMW replaced all six and have not encountered the problem since. That said, as many have pointed out it could be; plugs, coils, injectors, or other.

Shadow007 · 06-15-2013, 04:08 PM

Holy sh**!!! I just wrote a thread discussing the exact same thing! I'm thinking its my meth boost additive settings set too high because Im using ww fluid (Xtreme Blue -20). Im not sure what the hell is going on.

junitos · 06-15-2013, 04:42 PM

Quote:

Originally Posted by vanondemand

I've been driving my 335i around for a month now car works just fine, however when I push the car in about 2/3rd gear hard at around 4K the car goes into limp mode and then I just need to restart the car to get back to normal.

The car has 31,000 miles on it.
Oil temp is right in the middle
Fuel pump sounds fine

it does sound like something is leaking like air when I push it though.
What could be wrong?

I had a half engine light pop up on me so I checked for codes It was my Low Pressure Fuel Sensor. LPFS. 29F3

car ran strong but as soon as I hit 100+ half engine light came up this was annoying
this LPFS was sending false information to my injectors so i changed the sensor an had injectors recalibrated to oem setting
good luck

007_e350 · 06-19-2013, 01:34 PM

I had the same thing, turned out vaccum lines leaking, do a search its DIY

06-11-2013, 07:51 AM	#23
Greatdane84 Leeeroy Jankins 31 Rep 423 Posts Drives: 335i e90 LCI Join Date: Jan 2013 Location: SW Florida iTrader: (2) Garage List 2009 335i [10.00]	My first thought is Vanos Solenoids. What my problem was when it started getting hotter out and I was pushing the car hard. __________________ e90 LCI w/ -= VRSF 7" FMIC =- -= Cobb: Stg1 +FMIC Aggressive ST =- Last Install: BMS DCI + Caliper/Drum Paint "If you're not 1st, you're last" -Ricky Bobby
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06-11-2013, 08:01 AM	#24
JStang Brigadier General 572 Rep 3,627 Posts Drives: FDB M3 CS Join Date: Dec 2010 Location: St. Petersburg, FL iTrader: (9)	Sounds like a boost leak to me.
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06-13-2013, 02:15 PM	#27
dicostal Lieutenant 55 Rep 495 Posts Drives: 2007 335i Join Date: Jun 2010 Location: Italian in CT - USA iTrader: (0)	WTF, i just had the same issue yesterday happen to me for the first time, although I was pushing the car pretty hard for about 10 miles, from about 60MPH to 130MPH with many downshift to 4th pulls. (FBO with GIAC II) I will stop by Auto Zone and have them read the codes and report back, I've been noticing a bit of "turbulence" under load, usually an indication of fuel ignition problem, so it can be a number of issues (coil, plugs, injectors, vanos) my car is no longer under warranty so I hope its nothing serious. Performance went back to normal after restarting the car. __________________ GIAC stage II\|AA DP\|AA Charge pipe and BOV\|AFE S2 Intake\|HELIX FMIC
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06-13-2013, 03:51 PM	#29
Bluesun sudo su - 52 Rep 236 Posts Drives: 2018 McLaren 570S Spider Join Date: Sep 2010 Location: Ohio - CLE iTrader: (0)	This happened to mine a couple of years ago. It was still under CPO and it took them a few tries to figure out the issue. In my case, as others have suggested, it turned out to be the vanos (is the THE vanos, or VANOS, or vanos solenoid? I honestly barely know what we're talking about here...). They also replaced a bunch of vacuum lines come to think of it -- it may have been related to that as well. Since then everything has been fine. Well...fine except for fuel pump x2, chipped cam (manufacture flaw), water pump, leaky oil filter housing (still needs replaced), etc etc... But I still love my car .
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06-14-2013, 02:46 PM	#30
dicostal Lieutenant 55 Rep 495 Posts Drives: 2007 335i Join Date: Jun 2010 Location: Italian in CT - USA iTrader: (0)	Do you think that Carbon Build up could cause a Half Engine light? My car has about 70k miles and never got it done, I plan to get this done soon, and i was wondering what are your experiences. Thank you __________________ GIAC stage II\|AA DP\|AA Charge pipe and BOV\|AFE S2 Intake\|HELIX FMIC
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06-14-2013, 02:51 PM	#31
Jeef Lieutenant Colonel 391 Rep 1,943 Posts Drives: AW E92 335i Join Date: Nov 2008 Location: San Diego, CA iTrader: (6)	I get this problem too when I push the car a bit over a bumpy road, a half engine light comes on..
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06-15-2013, 06:00 AM	#32
vanondemand Banned 47 Rep 659 Posts Drives: E92 335i M/T Join Date: Feb 2011 Location: Vancouver iTrader: (1) Garage List 2007 335i [0.00]	Ok problem got worst, the car starts to shake at around 3k RPM, check engine light turned on and scanned the code its misfiring cylinder 3 I think this is the problem overall.
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06-15-2013, 04:08 PM	#35
Shadow007 Captain 67 Rep 605 Posts Drives: 2009 335i coupe monaco blue Join Date: Apr 2012 Location: El Paso, TX iTrader: (2)	Holy sh**!!! I just wrote a thread discussing the exact same thing! I'm thinking its my meth boost additive settings set too high because Im using ww fluid (Xtreme Blue -20). Im not sure what the hell is going on. __________________ F90 M5 Comp/ FI Exhaust, MAD pdownpipes / PG Intakes/ H&R Springs/ AG wheels E85 Z4M
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06-19-2013, 01:34 PM	#37
007_e350 Lieutenant Colonel 226 Rep 1,909 Posts Drives: 335i 2008 MHD'd / x5d E70 Join Date: May 2013 Location: left lane iTrader: (3)	I had the same thing, turned out vaccum lines leaking, do a search its DIY
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