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Thread: Car Stalling??????????
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03-19-2010, 05:27 PM #1
Car Stalling??????????
Ok i got a quick question for you guys. Yesterday i was coming through a stoplight in town, gassed the car to do a little burnout then when i let off the car stalls out. No biggie!, but then it has happened on 3 other occasions since. No check engine light on or anything like that, i no that the car is set up to run a lil rich for the nitrous but havent had any problems b4. Anyone ever experienced this? its got me puzzled
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03-19-2010, 05:31 PM #2
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Phantom Black Metallic- 2004 GTO M6
When was the last time you serviced your MAF? If the MAF is dirty, there will be "breathing" issues for your engine. You will have hesitating and/or stalling issues. Clean that first and let us know if it still hesitates/stalls. CRC MAF cleaner is best.
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03-19-2010, 05:39 PM #3
well i cleaned my throttlebody a few weeks ago but i never thought about the MAF being the problem, i will clean it tomorrow and let you know how it goes, thanks man i hope that's what the problem is
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03-21-2010, 09:47 AM #4
ok well i cleaned my MAF and it didnt fix the problem, and now when i first start the car i have to give it a little throttle for a second to get it going. After its warmed up and been driven for a little it restarts just fine... any ideas, its got me stumped
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03-21-2010, 10:49 AM #5
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Phantom Black Metallic- 2004 GTO M6
You sound like you are having the opposite of what my car did when I bought it. Cold starts were fine. Car would stall after 5 seconds of being started warm. I am wondering if you need your tune to be leaned out?
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03-21-2010, 10:59 AM #6
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Phantom Black Metallic- 2004 GTO M6
Maybe a bad knock sensor pulling timing when unnecessary?
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03-21-2010, 12:56 PM #7
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1999 Formula WS6 M6-sold- 2001 Silverado Z71
Got any other mods to the car that we should know about?
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03-21-2010, 01:32 PM #8
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2002 Z28 A4 NBM- Sadly now demodded :(
Do you have a stall converter? They are generally lighter in weight than the stock one.
After I installed the stall my engine would stall out and die after a burnout. This was compensated for by bring up the idle speed some.
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03-21-2010, 02:37 PM #9
ok heres a list of all of my mods:
LS6 crate engine
224-224 580-585 COMP CAM
COMP CAM push rods
Jessel roller rockers
Electric water pump
MAC headers with high flow cats
GMMG exhaust
BMR sway bars, lower control arms, torsion bar
torsion bar
QA1 adjustable shocks (front)
Baer brakes, calipers and rotors
Nitrous Express full throttle direct port nitrous system ( 150 shot, 10lb bottle w/high flow valve and NX bottle warmer)
F.A.S.T. intake manifold
BBK throttle body
throttle body
Underdrive pulleys
Mosier 12 bolt rear end with 3.73 gears
MSD wires
SLP air intake with K&N filter
Dodge Viper 6 speed transmission (same used in Z06 Corvette at this time with the input shaft being slightly bigger to handle torque.) with Hurst short throw shifter
Fikse Fm5 Forged racing wheels
NGK Iridium IX spark plugs
High torque drive shaft (name unknown)
MSD switch box (for the nitrous)
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03-21-2010, 02:46 PM #10
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Phantom Black Metallic- 2004 GTO M6
When you posted about giving gas to do a burnout, can you do a burnout? Or does the car die as soon as you let off the clutch?
Also, have you checked your IAC to see if it is carboned up?
What tuning software is in your car?
Also, ya didn't mention what MAF you are using, aftermarket? Factory?
I am tempted to think you might have to go speed density. But I will leave that to more experienced folks here.
Sounds like your car is "coughing" upon letting off the throttle.Last edited by cammed goat; 03-21-2010 at 02:53 PM.
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07-16-2010, 08:53 AM #11
Did you ever get this resolved? If so, what fixed it?
Mine seems to want to stall when coming to a stop. Doesn't happen all the time, and it hasn't completely died yet.
Started doing it after I changed my oil. Ran perfect before that.
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07-16-2010, 02:47 PM #12
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Phantom Black Metallic- 2004 GTO M6
Might have a vacuum leak?
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07-17-2010, 08:06 AM #13
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