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Thread: The OFFICIAL bogging, hesitating, no acceleration from idle thread

  1. #2551
    Join Date
    Nov 2016
    Location
    texas
    Posts
    520
    My Cars
    1998 328is
    Quote Originally Posted by ADM0993 View Post
    My car hesitated every time I climbed this steep section of highway. I would try to accelerate to get to 65 mph and it would slowly accelerate. I used a can of CRC Intake Valve Cleaner and the car just goes. The car just pulled this extra power out of her ass! Smooth and responsive. I guess my car had a lot of gunk build up because I felt a instant change when driving uphill. My oil was black. I tried Caticlean , Seafoam, maf cleaner nothing beats CRC IVC. I highly recommend using this along with CRC complete fuel system cleaner as the first step in troubleshooting any power issues.
    I am not a spokesman.
    But spray the cleaner where? On the throttle body
    98 328is/5 Arctic silver
    99 528i 5speed Alpine white(Totaled Unfortunately)
    Oil pan and timing chain delete, weight reduction right?
    98 540i/6 (New baby)











  2. #2552
    Join Date
    Oct 2016
    Location
    Austria
    Posts
    1,143
    My Cars
    e36 323i, M3 3.2
    forget this cleaner/additive stuff, gasoline engines don't really get dirty around the intake valves since theres always gasoline going through. most of these additives you put in your tank are made to give your car a little extra power for as long as you have it mixed in your tank, so you think "wow, engine clean now, best product ever, must tell friends about it", and then the additive company makes more money. better check out what's going on with the icv

  3. #2553
    Join Date
    Jun 2017
    Location
    Simi valley CA
    Posts
    14
    My Cars
    1987 325es 2jzgte supra
    I got to about page 47 of this thread and searched for hours and nothing like what I am experiencing. Cold or hot does not matter. When I rev the engine under load or not it will rev to 3k and bounce like it has 2 step. If I keep on the throttle it will rise to 5kish and resume the "2step" behavior. I've tried a new o2 sensor, new filter, vac leaks, cleaned the maf sensor and the problem persists.
    https://youtu.be/50RWCxsWblE

  4. #2554
    Join Date
    Jun 2017
    Location
    Simi valley CA
    Posts
    14
    My Cars
    1987 325es 2jzgte supra
    I think I may have fixed it. The ground that bolts to the engine hoist arm was split under the manifold. Turned it on let it run for 1 minute and tried revving. Only went to 5k (no problems) as at this point it was 11pm.

  5. #2555
    Join Date
    May 2022
    Location
    San Bernardino
    Posts
    2
    My Cars
    Bmw e36
    Hey guys, first post here this forum has helped so much to where I never had to post. My 97 e36 328i is having the bogging/ surging problem where it runs fine for the first 30 minutes then it just starts bogging out no power and if you force the throttle it will stall out. It starts up fine everytime! Only codes I have are 02 codes. Even if I unplug the 02s it still does it. I’ve taken my car to bmw specialist and he thinks it’s the ews or the ecu… I don’t see how it would be the ews I was reading that would cause a no start. Please someone help I’m at the breaking point

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