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Old 05-19-2017, 07:42 PM   #1
zheka130
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Car won't start after CCV, starter and coolant temp sensor job

Guys

Changed the items listed in the thread title including some minor stuff, such as various gaskets.

Tried starting the engine,
it makes a weird cranking noise, as if it is straining, but definitely not a normal cranking noise.
Checked fuel rail pressure port, fuel sprayed out of there, thus OK.

What could be the issue ?

Thanks
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Old 05-19-2017, 08:39 PM   #2
jfoj
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Quite often when work is performed on these cars, doors and trunk are open and/or the radio is on.

Battery may be low and/or the engine may be flooded.

Also check the DME box for blown fuses as well.

http://www.bimmerfest.com/forums/sho...d.php?t=864780

http://www.justanswer.com/bmw/6654e-...unication.html

http://blog.bavauto.com/5677/bmw-e46...derhood-e-box/

http://forum.e46fanatics.com/showthread.php?t=1063462

http://forum.e46fanatics.com/showthread.php?t=1069117

http://forum.e46fanatics.com/showthread.php?t=1112112

http://forum.e46fanatics.com/showthread.php?t=1117576

http://blog.bavauto.com/17656/it-hap...king-no-start/
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 05-19-2017, 08:51 PM   #3
zheka130
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Thanks jfoj

A friend suggested that the starter may have been an incorrect one, do you think this is even possible?

Also, what could cause a non typical cranking noise? Battery seems to be working fine
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Old 05-19-2017, 09:06 PM   #4
jfoj
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Not sure I understand what a non standard cranking noise is. Without hearing it, just a guess.

Maybe the starter did not get fully seated and the drive is not engaging the flywheel?

Do the fan belts and fan turn when the you try to start the engine?
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 05-19-2017, 09:35 PM   #5
zheka130
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Yes, all belts turn upon cranking.
Will take a video and post it
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Old 05-20-2017, 04:40 AM   #6
jfoj
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If the belts are turning, then the starter is turning the engine.

Make sure the battery is fully charged and follow the Flooded Engine links.
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299

Last edited by jfoj; 05-20-2017 at 09:03 AM.
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Old 05-20-2017, 08:48 AM   #7
zheka130
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Will do. Thanks
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Old 05-20-2017, 12:33 PM   #8
zheka130
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Jfoj, need your help please.
Figured out that it is a fuel problem.
Tried starting with the pedal down, spinning all belts, but not cranking.
Relieved the pressure on the fuel rail, starts to crank, but doesn't start.
After that, spins the belts with no cranking.
Also, loads of fuel come out upon relieving at the rail.

Problem getting fuel into injectors ?
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Old 05-20-2017, 01:12 PM   #9
jfoj
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Need to clarify terms here.

Crank/Cranking = starter turning engine and belts, this occurs while the key is being turned and held to the "Start" position, but engine is not running.

Start or run = the engine runs either rough or normally, but the engine is running on its own after you left go of the key.

Did you check fuses inside DME box?

Did you have many connectors removed while working on the engine?

A common problem is mixing up the Evap and oil temp or possibly the DISA connectors. I often suggest disconnecting the Evap solenoid under the front of the intake until the engine is running.

Also how many attempts to start the engine with the throttle to the floor?

Have you charged the battery?

You may need to check for spark as well if you are not making progress and fuses above the glovebox.
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299

Last edited by jfoj; 05-20-2017 at 01:13 PM.
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Old 05-20-2017, 01:34 PM   #10
zheka130
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Yes, by cranking and starting I meant those.

But in the previous post, I explained a situation where the engine is being turned by the starter, but no hint of starting, until the fuel line is relieved.


Many connectors were removed, labelled most thus don't think a mix up occurred.

3 attempts were made with pedal to the floor.
As I am cranking it, no progressive improvement in cranking.

Did not check fuses yet.

The battery turns the engine without problems thus far.

The reason I think its fuel related is because after fuel pressure relief it tries starting, but then soon after goes into engine spinning with no hint at starting

Thank you!
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Old 05-20-2017, 01:49 PM   #11
jfoj
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Quote:
Originally Posted by zheka130 View Post
The reason I think its fuel related is because after fuel pressure relief it tries starting, but then soon after goes into engine spinning with no hint at starting
Probably because the engine is flooded.

Chances are the battery is low, trust me, if you have not charged the battery or jump started the engine, you need to do this while attempting to perform a Clear Flood Mode on the engine.

You could possibly find and pull the fuel pump fuse above the dash to help with making sure there is NO fuel getting to the engine until it seems more likely to start.

But I am guessing the battery is getting weaker and weaker at the moment.
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 05-20-2017, 01:54 PM   #12
zheka130
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Got it. Thank you
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Old 05-20-2017, 09:37 PM   #13
zheka130
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Jfoj, is there a possibility that a faulty coolant temp sensor is preventing the car from starting?
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Old 05-20-2017, 10:56 PM   #14
jfoj
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Not likely, the coolant temp gauge should give a close indicator of what is going on.

Might use the Hidden OBC Menu to check and see what the engine coolant temp is registering. http://forum.e46fanatics.com/showthread.php?t=239619

If it is way off in the cold direction, it could cause a flooding condition.
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 05-21-2017, 09:10 PM   #15
zheka130
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Guys

any more hints, particularly regarding fuel supply?
What could have gone wrong? We simply changed some parts and CCV, reconnected everything again.
Removed the intake today again, to make sure that everything is connected. Indeed everything seemed OK.
No clue what to look for now.
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