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Revs keep dropping below 1000 then cuts out

Hi i have a bmw 316 se 1.9 1999 and the revs keep dropping below 1000 and then cuts out after searching for revs on idle

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  • 431 Answers

Try replacing throttle position sensor, usual suspect. but have it on a fault diagnostic machine to establish this. hope this helps and if you need any more info then dont hesitate to ask

Posted on Feb 18, 2012

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Posted on Jan 02, 2017

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shanat
  • 359 Answers

SOURCE: rev high when changing gear up

my friend has same model its normal he said it does it more so when its cold

Posted on May 26, 2008

  • 1 Answer

SOURCE: idle problems

Have done all of that and much more.

Posted on Jun 03, 2008

emissionwiz
  • 76109 Answers

SOURCE: low idle stalls out

Here is the most common cause of surges and stalls at stops and low erratic idle speed and rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Mar 13, 2009

ewashmidas
  • 362 Answers

SOURCE: bmw 316 ABS light stays on

Your ABS systems use a combination of electronic and hydraulic systems to modulate the brakes individually to prevent them from locking up. Antilock systems consist of wheel speed sensors, a hydraulic control unit (HCU), and an electronic control unit (ECU). Because of how complex the system is your computer does a self-test. If the check is successful, the ANTILOCK and BRAKE lights will go out within a few seconds. If one or more of the component of the ABS system fails to pass one or both lights will remain lit, the system will shut down and set a code. The code itself does not tell exactly what component is defective - it only indicates where to look, or what parameter is out of normal range. You or a technician will have to perform further testing to pinpoint cause and the proper repair. Even if you reset the light, if the underlying problem is not addressed it will come back on.

Please let me know if this information is helpful. Positive feedback is appreciated. Thank You!

Posted on Apr 02, 2009

johnjohn2
  • 5763 Answers

SOURCE: BMW 316 leaking oil, about 1 litre every 2 weeks

your going to have to clean it down good with some engine cleaner, then run engine, try to pin down leak. may have a bad oil preasure switch thats leaking, or oil filter, or a gasket; hope this helps good luck.

Posted on Oct 15, 2009

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