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#1
01-22-2013, 01:28 PM
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Sputter after flooring gas
My x5 is a 2004 3.0, recently had idler pulley changeg with new belts and new alternator. While driving if im flooring it or just speeding up it'll kind of go limp, and idle begins to sputter and will lose power (pickup and can no longer speed up). I've revved engine while in park and no sputter only happens when in drive. So far I've checked belt, and am currently about to clean maf and have checked for leaks in exhaust as well. Has anyone had this happen? Or insight? 
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#2
01-22-2013, 02:21 PM
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My 328 had a failing MAF, same symptoms. No check engine either.
__________________
2006 4.8is, Black on White. SOLD Sniff Sniff. 2017 F85 x5m, Black on Red. BEAST MODE "The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain Unlock OBC post 5
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#3
01-22-2013, 04:43 PM
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Quote:
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#4
01-22-2013, 04:50 PM
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Might be fuel delivery too. I'd dump a bottle of "Techron Concentrate Fuel System Cleaner" in a full tank of gas. It won't hurt.
__________________
 00 E39 DINAN S1 //M5 (82k miles) 06 E53 DINAN 4.8iS, born 2/18/2006 (126k miles) http://www.xoutpost.com/bmw-sav-foru...s-my-dslr.html 90 Straman Z32 TwinTurbo Convertible, (1 of 44 ever made) 5 speed, 444rwhp/451rwtq 01 360 Novitec Spider F1 (26k miles)
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#5
01-22-2013, 04:51 PM
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Could also be a partially clogged exhaust system or Cat. An engine will rev freely if there is no load, but when you place a load on it, it will not rev freely.
__________________
2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD
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#6
01-22-2013, 04:54 PM
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Quote:
__________________
2006 4.8is, Black on White. SOLD Sniff Sniff. 2017 F85 x5m, Black on Red. BEAST MODE "The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain Unlock OBC post 5
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#7
01-23-2013, 12:46 AM
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Cleaned maf and so far so good!
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#8
01-23-2013, 08:51 AM
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Nice. But it's borrowed time in my opinion. Start looking for a new one.
__________________
2006 4.8is, Black on White. SOLD Sniff Sniff. 2017 F85 x5m, Black on Red. BEAST MODE "The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain Unlock OBC post 5
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#9
01-23-2013, 12:14 PM
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Could also be vanos seals especially if its cold out.
__________________
For Sale Thread: http://www.xoutpost.com/classifieds/...ia-bridge.html 2004 X5 3.0i - Sold 1998 328i Convertible (e36) -sold 2004 325xi (e46)- sold Any questions?: DICE mediabridge|gauge rings|LED Angel Eyes|front door carrier|GT1/DIS/INPA/NCS|bluetooth retrofit|SIRIUS Retrofit|fuel filter|Dorman DISA|Roof Rack Delete|Sunroof drains|AC drains|rear sway bar swap|o2 sensors|VCG|Osram Night Breakers
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#10
04-15-2013, 10:04 AM
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the saga continues, changed maf and that helped, now symptom has returned and car shuts off, am attempting to clean icv today as well as check for leaks
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