Rough, Dropping Idle - Page 5 - B15sentra.net - Nissan Sentra Forum
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#61 Old 04-29-2008, 10:54 PM
brads sentra
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Exclamation Ammo In Hand

After reading upon reading and 5 weeks of dealing with these morons, look what I found on Nissan's tech site........


Service Bulletin - NTB04015 2002-2003 Sentra/Altima
IF YOU CONFIRM: An applied vehicle has the following symptoms: · Engine RPM rises at start and then drops and cannot maintain idle OR · Engine has low/rough idle AND · Engine runs well if the throttle is held open NOTE: The above symptoms may occur after an ECM reprogram or the vehicle battery was run down (discharged). ACTIONS: · Conduct the "Engine Running and Warm Up" procedure · Perform the "Idle Air Volume Learning (IAVL)" procedure · If the IAVL does not finish ("CMPLT"), perform the "Corrected Idle RPM Check". Then, perform the IAVL procedure again. · Refer to the Service Procedure starting on page 2 for details


***This is EXACTLY what I'm experiencing***

Key is this quote "NOTE: The above symptoms may occur after an ECM reprogram"

I am fuming with anger. It's apparent they may have tried this procedure, it didn't work, so they automattically blame my mods and try to get paid.

I cannot wait to see what they have to say tommorrow.

2006 Acura RSX Type-Sex
2002 Molten Silver SE-R SOLD
2001 Sentra GXE Stolen & Recovered Stripped
R.I.P 5/9/2005
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#62 Old 07-20-2008, 03:26 PM
brads sentra
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Update - Fixed

So it ended up being my MAF. Car finally threw a code, and went to limp mode.

Replaced the MAF, and cured the dropping idle.

I hope this saves someone the frustration I went through.

2006 Acura RSX Type-Sex
2002 Molten Silver SE-R SOLD
2001 Sentra GXE Stolen & Recovered Stripped
R.I.P 5/9/2005
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#63 Old 07-21-2008, 05:36 PM
Projectb15
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i would disagree with everyone's input about running brake cleaner on the sensor, wd-40 works a little better than brake cleaner, safer on electronic components. It may be more sophisticated than just a clean, it may have a bunch of carbon build up, but the motor may not be running correctly inside the controller, mine was just cleaned and after everyone puts on a header at least for the 1.8's end up having idling issues.

2000 Nissan Sentra GXE, ES MMI's, Ebay CAI, Fidanza SS, Unorthodox Flywheel, XTune Header, Kumho Ecsta AST rubber, Megan FTB and lowering springs, KYB Gr-2 Shocks and upper strut bushing, ABS Dynamics Front Lip, Megan exhaust, Black housing headlamps and tails, Nismo Shift knob, se-R sideskirts...
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#64 Old 09-15-2008, 05:16 PM
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i can drive my car for awhile sometimes like a week then when trying to hold a mph it will get jumpy like opening the throttle a little more then after just after it goes in to limp mode even pressing the gas seems to make it go slower it has a new tb and maf my best guess is short in the wiring or the ecu as ryanl said
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