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  #1  
Old 06-14-2021, 05:13 PM
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Join Date: May 2021
Location: Phoenix
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Roberto G. is on a distinguished road
Exclamation 2005 BMW X5 3.0 Engine Failsafe Prgm message. I'm a new member :)

Good day all,
I'm a 1st timer here, please accept my apologies if I'm asking obvious questions in the wrong place. I'm a bit concerned so I'm asking for your guidance.

Here is my situation:
-In May I bought a 2005 BMW X5 with 107K miles in very good shape with no leaks or error codes, and a clean title.
-The Engine Failsafe Prgm message has popped up 3 times while I was driving, twice last night. It scared me for sure.
-The Engine error message went away after a couple of seconds and after restarting engine so I was able to drive home just fine.
-I also have been perceiving a gas smell in the back of the car (driver side) after I parked it.
-As a preventive measure I made an app for 6/17 with a BMW mechanic to look at my car.
-I'm planning to drive the car to San Diego from Phoenix in July.

Notes:
The engine starts right away and it runs without issues, no rattling or shaking.
I've not observed any leaks, the engine seems to run fine.

Question:
-What could have caused the Engine Failsafe Prgm message to popped up 3 times in the last week?

Any guidance or direction would be greatly appreciated.
Thanks!
Roberto in Phoenix
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Last edited by Roberto G.; 06-14-2021 at 05:31 PM. Reason: correcting typo
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  #2  
Old 06-14-2021, 06:11 PM
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Join Date: Jun 2021
Location: Austin, TX
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X5chemist is on a distinguished road
Welcome to the site. I'm a newbee too.

Do you have any service records? I try to obtain service records when I buy a used vehicle. Especially one that I'm not familiar with working on. Plus I do research. Can you pull the ODBII codes? By reading lots of posts here, I bought a BMW specific code reader from Amazon. Not too pricey either. I keep it in the glove box. Pull the ODBII codes or BMW codes to post.

My guess, only from research I did before purchasing my X5, is a bad or faulty MAF sensor. Get some MAF cleaner and spray it good. Check the connection too.

Nice ride too!
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'06 X5 3.0i - bought @143,123 miles (12/26/20)
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  #3  
Old 06-14-2021, 07:58 PM
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Join Date: May 2021
Location: Phoenix
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Roberto G. is on a distinguished road
Thank you!
Tomorrow I’m receiving an obde reader so I will post error codes, if any.
I will read about how to get to the MAF sensor. This past weekend I changed the engine idle pulley of the X5 so I’m a little bit familiar with the engine components.
Thanks for the advice!!
Roberto.
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  #4  
Old 06-15-2021, 07:34 AM
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X5chemist is on a distinguished road
The MAF sensor is located between the air intake and engine air filter. Basically, directly across the radiator cap on the big air hose. Use only MAF cleaner on it. If you use a carb cleaner or other solvent, it will be damaged. The recommended BMW specific code reader is a Creater C310 Plus V11.7 C310+.
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'06 X5 3.0i - bought @143,123 miles (12/26/20)
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  #5  
Old 06-15-2021, 07:48 AM
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Effduration is on a distinguished road
A basic code reader may or may not read transmission codes...I think the creator will, so will others.

OP - there are a number of reasons the the car will go into limp mode, some easy and obvious, others not.

The MAF sensor is mounted in the intake air stream, next to the air filter box. Make sure its connector is fully plugged in. I would not clean the MAF, it usually doesn't do any good.

but you really need to read your transmission codes. I also suggest you get ready to bring it to a non-dealer BMW specialist in your area.
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  #6  
Old 06-15-2021, 11:25 AM
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Roberto G. is on a distinguished road
Thank you folks for the advise and support. Here is what I did last night:

-Inspected the MAF sensor, connector, and wires. Everything looks in order. The MAF sensor looked pretty clean with hardly any dust. The MAF sensor rubber circled gasket looks in good shape.

-Checked battery wiring, went to auto zone to check battery. Battery and alternator passed the AutoZone battery inspection.

- Then I drove the car for 4 miles, no visible issues or warning lights.

Next steps:
-Today I should receive on the mail an OBD reader compatible with BMWs. I will run a test and let you guys know if I get any codes.

-I have an app for this Thursday AM to take the X5 to a non dealer BMW mechanic.

Thanks for your support folks. Please let me know if I need to follow any other leads.

Roberto in 'warm and tropical' Phoenix :-/
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  #7  
Old 06-15-2021, 01:17 PM
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Location: Tampa, FL
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vbelsky is on a distinguished road
When you can, you need to scan the engine computer for diagnostic trouble codes, then mention what they are.
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  #8  
Old 06-15-2021, 11:14 PM
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Location: Phoenix
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Roberto G. is on a distinguished road
Exclamation Fault code P1093

I did a scan and got only 1 fault code (P1093).

Per Google:
P1093 BMW - Pre-Catalyst Fuel Trim Too Rich Bank 2

P1093 BMW Possible Causes
What does this mean?
Low fuel pressure
Large vacuum leak on engine
Faulty Mass Air Flow (MAF) sensor
Faulty Ignition
Faulty fuel injector

P1093 BMW Meaning
Pre-Catalyst Fuel Trim Too Rich Bank 2 is the generic description for the P1093 Bmw code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1093 Bmw OBDII code.

Notes:
-I do not have any warning lights on in my dashboard.
-Sometime I smell gas in the back of the car (driver side) when I park the car.
-I do have an appt with a BMW mechanic on 6/17.

Question:
Should I be concerned? Any advice will be greatly appreciated. Thanks!

Last edited by Roberto G.; 06-16-2021 at 12:06 AM.
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  #9  
Old 06-16-2021, 06:37 AM
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Effduration is on a distinguished road
Which scanner did you buy ? I don't think it is capable of reading your trans codes.

I think your best bet is taking it to a BMW specialist which you are going to do.

A higher level scan tool(s) might be worth the effort/investment if you plan to own it long term. There are several threads on which one to buy.
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  #10  
Old 06-16-2021, 09:39 AM
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Location: Austin, TX
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X5chemist is on a distinguished road
Post the BMW specific codes. By my standards, at 107k miles, it would be on it's third set of plugs. Or pulling the second set for new ones. I would pull one and check the condition. Mine is about to get single prong iridium plugs.

Which engine by the way? The badge is too small to read. However, those look like V8 option wheels.
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'06 X5 3.0i - bought @143,123 miles (12/26/20)
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