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#1 (permalink) Old 05-22-2006, 11:44 AM
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engine problem

last night, my car started to die on me when almost everytime i change gears. the service code i pulled out was p1348, p1346, p1344, p1342 which are cylinder 1-4 misfires. this morning when i started up the car, it was acting wierd as heck. The rpm would rev up and down and the car would shake a little as if it's having hard time breathing. And then as soon as i shift out of Park, the car dies. could it be as simple as a tune up? please help!!!!!

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#2 (permalink) Old 05-22-2006, 02:23 PM
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Make/model? My misfires happened after performing a hotsoak, where I dumped cleaner directly into the intake manifold. Any chance you have a leak in a vacuum or intake line to the manifold? Have you cleaned the fuel injectors recently? If it happens when you shift gears, I wonder if it's not because of a brief lack of fuel delivery...
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#3 (permalink) Old 05-22-2006, 06:47 PM
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I'm with Hootie so far...

Officer: "I see you set the table for four."

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#4 (permalink) Old 05-22-2006, 07:07 PM
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2001 bmw 330Ci auto. Last week I use a bottle of fuel injector cleaner when i was filling up. The car idled roughly this morning. I don't know if there is a vacum leak or not. Keep in mind once i get the car going, it drives normal. I've read other posts, they suggest that my Idle control valve might be faulty. This sucks a** because there is only one independent shop that will look at bmw's within 200 miles here. I appreciate all the help

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#5 (permalink) Old 05-23-2006, 12:58 AM
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By any chance do you get a "hooting" type noise coming from the engine when the rpm's drop or at any time during idle?

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#6 (permalink) Old 05-23-2006, 08:11 AM
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Agree with Dirty Tool. Do you get a whining noise at certain RPM's? If so, you probably have a vacuum leak... check your air intake boot (two rubber pieces). If not, I'm still sticking with something related to fuel.
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#7 (permalink) Old 05-23-2006, 02:35 PM
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...Still with Hootie & DT...

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#8 (permalink) Old 05-24-2006, 03:29 PM
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Reason I asked is because when the cyclone separator fails It can cause those symptoms and often times it is accompanied by a "hooting" type noise.

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#9 (permalink) Old 06-24-2007, 06:25 AM
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did anyone ever have an answer for this?
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