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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 09-14-2011, 09:06 AM   #1 (permalink)
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1996 318i loosing power when engage

Hi Guys;

Need your advice on my 318, Since I bought this car its been a headache, I cannot exactly Pinpoint the fault.

1 time i was able to make things better, and in my happines i tied to wash the engine with stp degreaser. and water it after. all was well until when im running on the road, the engine seems to be dying when I accelerate, and when in neutral, its ok.

after reading some similar incident in this forum, i change coil pack ang plugs,
but still its the same. it feels like a vacuum leak but all my hoses are tight,

any advice?
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Old 09-14-2011, 11:56 AM   #2 (permalink)
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believe it or not it could be the maf i had all sorts of stuff happen car forgot how to drive littery after 9 months of it with techs and mechs haveing a look and charging like a basted bmw cleaned out the the maf till i can get the $1100 to fix it try looking at this
and
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Old 09-14-2011, 12:11 PM   #3 (permalink)
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i just bought a second hand, MAF, meanin g I damged it that fast and I need to buy a new one again? whaaaaa my fault, thanks bro.
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Old 09-16-2011, 05:58 AM   #4 (permalink)
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Morphidis,

My maf is from a318i 1996, is it possible to clean it?
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Old 09-16-2011, 01:38 PM   #5 (permalink)
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it should be BMW cleaned mine ( its a 99 316)just make sure you use the rite product at first i was using throttle and carb cleaner and i didn't take the part out as i didn't have a screw driver tip to fit it didn't do any good in the assembly but in the cleaning video he says a product name but i didn't catch it
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Old 09-16-2011, 01:45 PM   #6 (permalink)
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You can clean it good with a high alcohol based solution like Isopropyl, put the MAF in a sealable bag or plastic box and let it soak for a while... DO NOT BE TEMPTED to manually clean it with a brush or even put your fingers in there as it may trash the MAF, it's very sensitive...
Give it a shake or three in the solution too... Watch that sludge come off LOL.
Afterwards, let it dry naturally and re-install, Job Done...
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Old 09-17-2011, 12:27 AM   #7 (permalink)
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Thanks Guys,

I'll try to clean mine before buying a new one, I saw some spray for maf, ill try to check my local autoshop.
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Old 09-25-2011, 12:47 PM   #8 (permalink)
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Hi Guys here's an update on my car, i bought a crc maf cleaner clean the maf,
No effect.

Changed to new spark plugs, new coil, new fuel pressure valve, change throttle position sensor, cleaned Icv, and clean whole intake.

anything else I missed?

thanks;

Beewee
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Old 09-26-2011, 02:30 PM   #9 (permalink)
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Ok so you had this problem after washing the motor? did you get the fuse box wet? and did you spray water on the passenger side of the firewall? this where you DME is located. check your fuse box to make sure there isn't any water in your relay areas and your fuses. Also go over your injectors fuel pump and fuel filter. It sounds like you not getting any gas to the motor when under load and from a far it is difficult to determine that it was caused by water or a crazy coincidence.

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Old 09-26-2011, 02:45 PM   #10 (permalink)
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Quote:
Originally Posted by beewee View Post
Hi Guys here's an update on my car, i bought a crc maf cleaner clean the maf,
No effect.

Changed to new spark plugs, new coil, new fuel pressure valve, change throttle position sensor, cleaned Icv, and clean whole intake.

anything else I missed?

thanks;

Beewee
Sorry it did not solve your issue but at least it's clean eh? Less to worry about later !!! Go with "Frozen" for now...
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Last edited by Jack Dabsy; 09-26-2011 at 02:46 PM. Reason: Adding
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Old 09-26-2011, 08:55 PM   #11 (permalink)
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Why sorry Dabsy, youre very helpful , all of you I mean, and i need more suggestions guys.

The BMW mechanic came last night although he did not bring any computer, he said letys replace first the Cramkshaft position sensor, we also check the the coputer box and its all dry within, fuses are all ok. but Ill blower them later and check again 1 by one.

for now the car can idle roughly with a few spur of backfirem, but the engine dont die down, it keeps idling, so I will look for a cps again and mount it.

Last edited by beewee; 09-26-2011 at 08:58 PM.
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Old 09-26-2011, 11:44 PM   #12 (permalink)
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you gave me an idea, unplug the crank position sensor, cam and throttle to make sure water did not get in the plugs.
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Old 09-27-2011, 10:10 AM   #13 (permalink)
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yup did that for icv and tps, have to do it for cps and cams, also i have a new fuel pump and filter which i replaced before, a few days before this happen. if its fuel pump it will not idle isnt it?

I plan to check the cps and cams today, as you guys suggested, tomorrow the cps willl arrive, and to be replaced.
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Old 09-27-2011, 11:23 AM   #14 (permalink)
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Fuel pump

True fuel pump is working if it is idling...did you check the plugs on the crank and cam sensor and make sure you didn't switch the connections. just in case did you check the plug for AFM/MAF?
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Old 09-27-2011, 12:00 PM   #15 (permalink)
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This puzzle is killing me...Check your O2 sensor while your at it!
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