E36 vacuum leak




E36 vacuum leak

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  • My e36 has a rough idle and when driving the power goes in and out, i talked to a BMW specialist and he said most likely a vacuum leak like I.

    Check for vacuum leaks: Just buy a carborator cleaner can and while the engine is running, spray it around the engine and make sure to listen to the engine.

    With the help of a track friend of mine, we diagnosed it as a vacuum leak in the E36 idle control valve hose. That lead to me replacing all of my.

    E36 vacuum leak

    E36 vacuum leak

    I will unplug the MAF and see if it idles better. Add Thread to del. A video of using it. Fuel trim looks good and no light!! Welcome to Reddit, the front page of the internet.

    E36 vacuum leak

    E36 vacuum leak

    E36 vacuum leak

    E36 vacuum leak

    E36 vacuum leak

    E36 i vacuum leak and rough idle?

    Facebook Google Remember Me? Community Links User Tagging Statistics. MAF or vacuum leak. I have a with a little over 77, miles. Last night I started it, and when it idled down, it started shaking, and I could hear that all cylinders were not firing.

    The service engine soon light came on, so I took it down to AutoZone today to have them pull the codes. Here's what they gave me: Which would be the more likely culprit, MAF or vacuum leak? If you are leaning towards vacuum leak, are there any usual suspects on 5 series I should focus on first? I saw on one thread that there is a little corrugated hose on the lower boot, under the air intake.

    E36 vacuum leak

    Any other places I should look? Guess I should have read the post right underneath this one first. I will unplug the MAF and see if it idles better. Okay, it's not the MAF sensor. I unplugged it and the car still idles like crap. Now on to vacuum leaks?

    Or am I chasing the wrong rabbit here? Start with looking for a vacuum leak. When their is unmetered air entering the system the computer cant compensate for it properly.

    E36 vacuum leak

    Misfire's are normally plug related. I would check the plug in that cylinder, and fif it looks okay i would swap it out with a plug from a different cylinder and see if the code goes away. If it doesnt, then the issue is something else. To view links or images in signatures your post count must be 10 or greater.

    You currently have 0 posts. Lord Vader is offline. Got in the car this morning, cold engine, no problem. No unusual idle or sounds coming from under the hood.

    Got to work 30 minutes later, hot engine, and crappy idle had returned. The whistling is coming from the connection with the arrow pointing to it. The second pic is a close-up of it. When I turned the engine off, it continued to make a dying whistle for seconds afterwards. Got back in the car 9 hours later, cold engine, no problem. Pulled into the driveway thirty minutes later, same rough idle and whistle. I sprayed carb cleaner on the connection and the idle sped up, so I've obviously got a vacuum leak.

    E36 vacuum leak

    Anyone out there no where else I can look to find the part numbers for these specific hoses? Whoops, forgot the pics. What engine do you have? I put it in as N52, and this is the diagram i got back. To me, it looks like part 7. I have the M I went to that website and looked at the diagrams for the M54, and still no pics of the hoses that attach to the "angle connector" found on the link above for the N52 engine.

    They are molded hoses with special connectors on the ends, so I can't simply cut a length of rubber hose from my stock in the garage. After getting much more precise with the carb cleaner, I realized that the leak was not where I originally thought it was.

    How To Find A Vacuum Leak - EricTheCarGuy



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