Question about 1993 BMW 3 Series

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Engine shutdown while making a low speed turn. After 5minutes the engine started but, shutdown immediately. The engine rotates when cranking but will not start. Currently 1/4 tank of fuel onboard.

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  • George Hels
    George Hels Nov 29, 2010

    Do you smell gas when cranking?

  • Al Bell Nov 30, 2010

    I do not smell gas when cranking the car

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  • Master
  • 2,299 Answers

There could be a few things causing this. One could be the fuel pump has gone bad. The best way that I can suggest to narrowing down the problem is to get a can of starting fluid and spraying a small amount on the air filter. If the car starts with starting fluid then that will tell you that it is a fuel related problem. It could be an ignition problem. There are many things that will cause ignition problems. A crank sensor, cam sensor, coil packs, security system, etc. The best thing to do is get it in to check the computer for codes.

Posted on Nov 29, 2010

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1 Answer

Sensor a crankshaft


A crank sensor is an electronic device used in an internal combustion engine to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control the fuel injection or the ignition system timing and other engine parameters. Before electronic crank sensors were available, the distributor would have to be manually adjusted to a timing mark on the engine.
The crank sensor can be used in combination with a similar camshaft position sensor to monitor the relationship between the pistons and valves in the engine, which is particularly important in engines with variable valve timing. This method is also used to "synchronise" a four stroke engine upon starting, allowing the management system to know when to inject the fuel. It is also commonly used as the primary source for the measurement of engine speed in revolutions per minute.
Common mounting locations include the main crank pulley, the flywheel, the camshaft or on the crankshaft itself. This sensor is the most important sensor in modern day engines. When it fails, there is a chance the engine will not start, or cut
A crank sensor is an electronic device used in an internal combustion engine to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control the fuel injection or the ignition system timing and other engine parameters. Before electronic crank sensors were available, the distributor would have to be manually adjusted to a timing mark on the engine.
The crank sensor can be used in combination with a similar camshaft position sensor to monitor the relationship between the pistons and valves in the engine, which is particularly important in engines with variable valve timing. This method is also used to "synchronise" a four stroke engine upon starting, allowing the management system to know when to inject the fuel. It is also commonly used as the primary source for the measurement of engine speed in revolutions per minute.
Common mounting locations include the main crank pulley, the flywheel, the camshaft or on the crankshaft itself. This sensor is the most important sensor in modern day engines. When it fails, there is a chance the engine will not start, or cut
A crank sensor is an electronic device used in an internal combustion engine to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control the fuel injection or the ignition system timing and other engine parameters. Before electronic crank sensors were available, the distributor would have to be manually adjusted to a timing mark on the engine.
The crank sensor can be used in combination with a similar camshaft position sensor to monitor the relationship between the pistons and valves in the engine, which is particularly important in engines with variable valve timing. This method is also used to "synchronise" a four stroke engine upon starting, allowing the management system to know when to inject the fuel. It is also commonly used as the primary source for the measurement of engine speed in revolutions per minute.
Common mounting locations include the main crank pulley, the flywheel, the camshaft or on the crankshaft itself. This sensor is the most important sensor in modern day engines. When it fails, there is a chance the engine will not start, or cut

Oct 05, 2016 | Hyundai Sonata Cars & Trucks

1 Answer

Car was driving fine but the oil was black and looked low.it stopped on me and will not crank it just makes a clicking noise like its trying to start. Is my engine locked up?


Mary, you or some one will have to try and turn engine over manually, with a wrench or socket/power bar, on the crank shaft pulley center bolt and try to turn engine over. If engine can not be rotated, it is seized.
If engine seized you will have a decision to make, is vehicle in good enough condition to have another engine put in. Get estimates from at least # different sources.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

Mar 26, 2016 | Cars & Trucks

2 Answers

00 Explorer 4.0 ohv v6. If cam position sensor fails will it cause, #1 engine to die at hwy speed 60mph? Also upon trying to restart, it cranks very fast, is that poss. cam sensor failure too? Thanks


No, to the second question- sensor won't make it crank any different. Faster than normal cranking often means a broken timing belt -less friction with the valve train not moving, so engine spins faster. But you have a timing chain, right? Any engine noise when it quit at 60mph? You could watch some valve action through the oil filler cap while the engine is being cranked, to make sure the timing chain is still intact.
If all is good, check for spark and gas to the engine. If stopped while running, it could be a failed fuel pump or a problem in the ignition system- cam or crank sensor, ignition coil, ignition control module, some of the things to check if no spark.

Nov 18, 2015 | Cars & Trucks

1 Answer

2006 Scion xB won't crank/start...


thinc u gut some kinda internal engine issue--send it to magicmechanic online--hes an 8 time master on any engine--say 'help' on the subject--visit his tech library or listen to his radio show replay too

Feb 11, 2014 | 2006 Scion xB

1 Answer

Cutlass ciera wont start


Does the starter spin the motor at normal cranking speed? If there seems too much friction, try turning the engine over by hand to check if the engine turns freely. Put a socket and wrench on the center crankshaft pulley bolt and turn clockwise. If you cannot turn the crankshaft with a wrench easily, then the starter can't either. Turn the crank all the way around to check for something preventing cranking.
Is the battery still enough power to crank at normal speed? If it's already too low, recharge it, and try again.

Jan 09, 2014 | 1990 Oldsmobile Cutlass Ciera

2 Answers

Van will not start code p0725 what to do


Without knowing make or model Po725 is a Chrysler code for Engine Speed Sensor Circuit
Possible Causes- - Open or shorted CKP sensor circuit condition
- Poor CKP sensor electrical connection
- Check communication error between the ECM and TCM
- Failed CKP Sensor
When is the code detected- The P0725 Codes is triggered when TCM does not receive the engine speed signal from ECM. Chrysler description- The Engine Control Module (ECM) monitors the engine speed through the Crankshaft Position (CKP) sensor with the engine running, and send signal to the Transmission Control Module (TCM

May 09, 2011 | Chrysler Town & Country Cars & Trucks

1 Answer

Engine rotates but will not start


need more info
crank speed
voltage at crank speed
engine light on or off
any codes
oil pressure gage at crank
if you have accses to 5000psi gage mount to right side valve cover
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1 Answer

My oil light went on and than stop running. will not start. what could it be?


Sounds like you may have ran the engine out of oil or low on oil causing the oil pressure to drop and turning on your oil pressure light does the engine crank or rotate at all when trying to start it or does it just click? If the engine doesnt rotate theres a good chance you seized the engine up because of low oil pressure and you may be looking at another engine..... not good news.

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2 Answers

97 dodge neon died replaced parts and still no spark HELP.


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