Question about 2003 BMW 5 Series

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Bmw 525d e39 2003 has hunting problem but goes like a dream but then when at lights it start to hunt brum, brum can anyone help

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I would assume that you have a check engine light on and you probably have a misfire. Go to your local parts store(autozone, o'reilly's, etc.), they do scanning for free. Get the codes and let me know and I will continue to help.

Posted on Sep 11, 2010

  • catherinerei Sep 11, 2010

    hi thanks, had a memory check and found mass air reading incorrect 400 insteed of 200 and say that injectors 5and 6 incorrect said that it poss egr fault\turbo
    car runs good not miss fired only hunting at these point traffic lights and when you stop goes like a dreem need to get the reading from the dealer forgot to pick up

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Posted on Jan 02, 2017

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Where is the fuel door release button on a bmw 525d 2005? or is there one, jus have one for a few days and cant refill the fuel


Unlocking the front drivers door usually unlocks the fuel filler cap. With the front door unlocked, push the side of the fuel filler door in and it will open.

Let us know if that works.

Mar 14, 2013 | 2005 BMW 525d

1 Answer

I wish to adjust the idle tickover speed a wee bit on a 2007 Ford Transit 2.2 Duratorq engine. It is currenlty ticking over at approx 800 rpm and is hunting at this rev. If I could raise it a wee as I do...


First ensure that the throttle interior is really clean, a surface layer of grime can upset the ECU's ability to meter and govern the air entering the engine. If the throttle body interior is found to be really oily and dirty check on the idle air control valve and make sure that it too is cleaned up. Next put the ignition switch in position 2 (on, but no start) and depress the accelerator fully and release. If there is an issue with the throttle position sensor this procedure can help the ECU relocate the throttle plate position. Start the engine and if it is still hunting locate the air mass meter (AMM) on the air ducting immediately next to the air filter and disconnect the electrical connection. Does this remove the hunting aspect?... the rev speed might change but for the moment concentrate on the evenness of the tick-over. If the idle is even when the AMM is disconnected but hunts when connected then look at replacing your AMM. Try spraying the AMM with no residue electrical cleaning spray to see if this improves matters.

Dec 02, 2010 | Ford Transit Connect Cars & Trucks

1 Answer

Idle goes up and down whether its cold or hot can anyone help?


check your antifreeze level,if it goes low on a honda you usually get a hunting idle,u might have a leak somewhere,hope this helps

May 27, 2010 | 1994 Honda Accord

1 Answer

Bwm 318i 1990 engine m40 hunting periodically on startup


I had the same on a customers car, 5 years and $$$ in a dealer later I was given a shot, the factory mis fitted a manifold gasket and it was sucking in air, I used a length of screenwash pipe to listen under the inlet manifold and found it.

Aug 04, 2009 | BMW 3 Series Cars & Trucks

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E46 2000 318i hunting on idle


Clean or replace idle control valve.

Jun 29, 2009 | 1999 BMW 318 ti

1 Answer

White smoke wen starts from cold an hunts 20 secs.


sounds to me like your idiling too high

May 28, 2009 | 1998 Volkswagen Golf

1 Answer

Engine idle hunting


here is the list of things to check/ to do.
air filter
ECU TO BE REMAPPED (most likely)
spark plugs
alternator
knock sensor

Apr 11, 2009 | 1997 BMW 328

1 Answer

Bmw 318 1996 excessive fuel and also hunting


My standard answer: O2 sensor, vacuum leak.


Mar 29, 2009 | 1996 BMW 318

3 Answers

MY VW LUPO IS HUNTING AND MAKING A CLICKING NOISE UNDER THE ENGINE IM HAVE THE ECT CHANGED ON SATURDAY I HAD JUST HAD A M.O.T IT FAIL CAUSE EXHAUST EMISSIONS WERE TOO HIGH I HAVE SOME TIMES A CHECK LIGHT...


The hunting and clicking is caused by a stuck vapor canister purge valve. The valve is on a vacume line. When it gets stuck open too much air enters the engine at idle or low rpm. This will cause the engine to hunt and stall as soon as any load is put on it if you do not rev it hard. The engine will over-run when coming to a stop and probably stall. It can come and go putting the chack light on. The quick fix is to just un-plug the solenoid. facing the enginebay it is located on the left hand side just infront of the suspention mount it is half balck half blue on every lupo i have seen. unpluging it will mean the car is driveable again but the check light does come on. It is 100% safe as long as nothing else happens that goes undetected because the light is already on. The part is about £70/80 from VW,  they may or may not know what you are talking about but i would not bother going to VW. The part is easy to find at a scrapyards if there are Lupos / Polos.  A number of other VAG cars share the part as well.  Any other problems come along to clublupo.co.uk 

Jul 17, 2008 | Volkswagen Fox Cars & Trucks

2 Answers

BMW 325-e4 clutch


your clutch slave cyclinder underneath the car is probbably leaking

Jun 11, 2008 | 1984 BMW 3 Series

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