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My engine shuts off after you drive it awhile?

Tiny
TAKECHARGESARGE
  • MECHANIC
  • 92 POSTS
Ola ibhar19

Change Crankshaft Position Sensor.

TakeChargeSarge
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Wednesday, January 20th, 2021 AT 10:51 AM (Merged)
Tiny
IBHAR19
  • MEMBER
  • 2 POSTS
TakeChargeSarge

I ´ll do it

thank you so much
Gracias
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Wednesday, January 20th, 2021 AT 10:51 AM (Merged)
Tiny
OCORNN
  • MEMBER
  • 5 POSTS
  • 2000 CHEVROLET IMPALA
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 103,000 MILES
Car just shuts off like fuel pump stopped and just cranks but will not start. But when unhook battery and put back on car fires up and runs for a while until it does it again. Once all the light came on like car was going to start with key in off position. Replaced ignition modular, battery and fuel filter. Almost like the security system has got it shut off until you undo the battery to reset it. Would it be the ignition switch and key cylinder?
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Hello,

It will be the security system if the light is blinking?

Please report back.

Cheers, Ken
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
OCORNN
  • MEMBER
  • 5 POSTS
The light stays solid. It will cycle through change oil, security then battery.
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
OCORNN
  • MEMBER
  • 5 POSTS
A couple of times the key would not turn, as if it was wrong key in it.
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Is there a chance you can take a video of what is happening with the security light when you crank the car over? Also, try resetting the system by following this guide.

https://www.2carpros.com/articles/how-to-reset-a-security-system

Please let us know what you find.

Cheers, Ken
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
OCORNN
  • MEMBER
  • 5 POSTS
Well I had to unhook battery to get it to start to get it up on the trailer. So if I record it now it is going to be showing everything working fine.
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
KEN L
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I am starting to think it is the crankshaft angle sensor can you see if the ignition has spark when the engine will not start? Here is guide to help

https://www.2carpros.com/articles/how-to-test-an-ignition-system

and

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Please let us know

Cheers, Ken
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
OCORNN
  • MEMBER
  • 5 POSTS
Do u think it could be the ignition lock cylinder since at times the key would not turn?
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
That sounds more like the lock tumbler is wearing out which shouldn't have anything to do with the lock.

Does the ignition system have spark when the engine is cranking over?

Best, Ken
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Wednesday, January 20th, 2021 AT 10:52 AM (Merged)
Tiny
SCOTTYCAMERON
  • MEMBER
  • 3 POSTS
  • 2000 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 134,000 MILES
I have a 2000 chevy impala with a 3.8 motor and it drives along fine then it just dies out of nowhere. There battery light comes on in the message box, but the radio still plays and I pull over to the side of the road and it always has started back up but I don't want to be stranded either. Just changed the fuel pump and fuel filter, but obviously that isn't the problem. Any help would be appreciated.
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Wednesday, January 20th, 2021 AT 10:54 AM (Merged)
Tiny
TAKECHARGESARGE
  • MECHANIC
  • 92 POSTS
Hi scottycameron,

My 2000 Chevy Impala had the same problem about 3 years ago. Reading your posting was about the same thing I would have written. I didn't replace the fuel pump, but I did replace the fuel filter.

I found that the Crankshaft Position Sensor was the cause of the problem. I was told that the Ignition Module could also shut off the ignition the same way, but I can't imagine an intermittent problem with the ignition module.

I performed a mini-failure analysis on the removed Crankshaft Position Sensor and didn't find any obvious damage or flaws. The only strange thing I found was a build-up of metallic dust on the only magnetic area of the Sensor. It may be that if this metallic dust was removed, it just might correct the problem without replacing the Sensor. If mine were to develop the problem again, that's the first thing I would do.

I would advise changing the Crankshaft Position Sensor first because it is by far the least costly.

Good luck.

TakeChargeSarge
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Wednesday, January 20th, 2021 AT 10:54 AM (Merged)
Tiny
SCOTTYCAMERON
  • MEMBER
  • 3 POSTS
Hey thanks for the post, I checked the ignition module and it past the test twice. I'm putting a crankshaft sensor in Thursday, thanks alot for your input
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Wednesday, January 20th, 2021 AT 10:54 AM (Merged)
Tiny
TAKECHARGESARGE
  • MECHANIC
  • 92 POSTS
Scottycameron,

Glad to hear the ignition module is o.K.

It surely would be nice to know if cleaning the sensor would cure the problem. Anyway, would you take a look at the middle of the center groove of the sensor and check for a build-up of metallic dust? Let me know what you find.

Thanks,

TakeChargeSarge
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Wednesday, January 20th, 2021 AT 10:54 AM (Merged)
Tiny
SCOTTYCAMERON
  • MEMBER
  • 3 POSTS
Hello sarge, I looked at the sensor and it did have a little build up on it but didn't look too bad, went ahead and replaced it, car hasn't died on me yet, but it kinda seems to be shifting a little wierd, i'm sure the tranny sensor is next.
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+1
Wednesday, January 20th, 2021 AT 10:54 AM (Merged)
Tiny
ESTONER99
  • MEMBER
  • 1 POST
  • 2000 CHEVROLET IMPALA
Engine Performance problem
2000 Chevy Impala 6 cyl Front Wheel Drive Automatic

My car will stall while driving and will restart. No codes.
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Wednesday, January 20th, 2021 AT 10:55 AM (Merged)
Tiny
TAKECHARGESARGE
  • MECHANIC
  • 92 POSTS
Hi estoner99,

I had the same problem with my 2000 Chevy Impala LS, 3.8 ltr V-6.
The Crankshaft Position Sensor was the culprit. After it was replaced, the engine didn't stall anymore. That was over 3 years ago.

Good luck,

TakeChargeSarge
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Wednesday, January 20th, 2021 AT 10:55 AM (Merged)
Tiny
BMWFREQ
  • MEMBER
  • 3 POSTS
  • 1997 CHEVROLET IMPALA
My '97 328 has been stalling when I come to a stop. Not all the time. Sometimes it will dip well below idle and stumble like its going to stall, and then recover back to normal idle speed. In an effort to fix this problem, I have replaced the following parts, but to NO avail.

Idle Control Valve (ICV)
Mass Air Flow Meter (MAF)
Throttle Position Sensor (TPS)
Intake Boot
Spark Plugs
TCC Lock-up Solenoid (In transmission)
All Vacuum Lines and Hoses

I am starting to lean more towards this being a automatic transmission problem, more so than a intake or engine problem.

Any thoughts or suggestions would be greatly appreciated from [u:c573e2ff45]anyone[/u:c573e2ff45] at this point. I don't know where to go from here.

Also, I have never gotten a "Check Engine" light at any time, nor has scanning the OBC renderred any fault codes of any kind.

PLEASE HELP!

-BMW FREQ :
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Wednesday, January 20th, 2021 AT 11:02 AM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Have you tried a coolant sensor? This also sounds like a fuel pump or the crankshaft angle sensor has gone out. When you turn the key to the on position without cranking the engine over can you hear the fuel pump run in the tank for 5 seconds?

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down this guide and report back.
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Wednesday, January 20th, 2021 AT 11:02 AM (Merged)

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