Car engine cranks, but will not stay running

MYESHIA91

MEMBER
1994 BMW 525I
6 CYL
RWD
AUTOMATIC
257,000 MILES

My car engine cranks and only stays started when continuously given gas. Once I take my foot off the gas, the engine just shuts off. I have replaced and checked the spark plugs for a spark and they all produced a spark of some sort. The old plugs were blackened.
I have replaced the fuel injectors and checked the fuel pump. There is fuel making it to the injector rail.
There was a lot of oil in the spark plug wells, but I cleaned out most/all of it before removing the plugs. I have fixed that leak.
When the car is kept started, there are misfires.
Anyways, what should I try to get my car running again?

Video (Click to make bigger)

4 Replies

MHPAUTOS

MECHANIC
31,938 POSTS

You can get the car scanned for any fault codes. Also, check for vacuum leaks and get a compression teat done. The scan may be the best place to start as if there is a code set. This will have to be rectified before anything else is looked at.

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Tuesday, October 10th, 2017 AT 10:17 PM

RENEE L

ADMIN
1,257 POSTS

Hi MYESHIA91,

If you decide you would like to conduct the scan yourself here is a link to an article that features written step by step instructions and pictures explaining how to do the scan yourself. Also, I have included a link to our YouTube channel with a how to video on code scanning.

This is applicable even if your check engine light is not on.

Most scanners are inexpensive to purchase, you can purchase one online from sites like Amazon.com

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

https://youtu.be/YV3TRZwer8k

I have also included a link to another article on testing your engine's compression.

https://www.2carpros.com/articles/how-to-test-engine-compression

Once you have the codes please get back to us so that we can further assist you. We are always happy to help.

Thank you for visiting 2CarPros.com.

Kindest regards,

Renee
Admin

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Wednesday, October 11th, 2017 AT 11:29 AM

MYESHIA91

MEMBER
2 POSTS

My car is a 94. An OBD2 scanner cannot be hooked up to it.

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Wednesday, October 11th, 2017 AT 4:51 PM

MHPAUTOS

MECHANIC
31,938 POSTS

You will have to get a generic BMW scanner to read the codes, check vacuum leaks as this will be a primary concern and also test the coolant temp sensor as well.

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Wednesday, October 11th, 2017 AT 7:31 PM