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Author
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Topic: crappy idel
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SSF 50
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Member # 7219
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posted
 
 
Stock 90 5.0 Stang
Having a shitty / rough idel but when I unplug the mass air, it idels perfect, I'm thinkin its a bad mass air sensor but don't have anymore lying around 2 try it, wanna c Wat u guys think it can b? No check engine light ( only when I have mass air unplugged) still put code reader on & it says o2s running lean, but figure its saying that cause mass air unplug but??
It's always ideled perfect then next day BAM!
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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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copcar
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Member # 10113
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posted
Have you cleaned the mass air meter filaments? Are you running an aftermarket air filter and if so have you recently oiled it?
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12.37@ 109.34.NA 894DA Old Nitto 555 DR's Gt40 irons. B cam/1.7's, All emissions equipment on the car, stock air box. UPR catted X pipe.
Posts: 485 | Registered: Jun 2010
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SSF 50
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Member # 7219
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posted
quote:
Originally posted by copcar:
Have you cleaned the mass air meter filaments? Are you running an aftermarket air filter and if so have you recently oiled it?
I sprayed mass air cleaner in plug & sensor.. has stock air box
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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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DIRTY SALLY
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Member # 7845
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posted
sounds like the air meter is bad ![[Confused]](confused.gif)
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Savage Habits
instagram @2cheezen
Posts: 9145 | Registered: Aug 2007
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SSF 50
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Member # 7219
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posted
put another sensor on & seem 2 help 4 a minute then back 2 cappy idel ![[Frown]](frown.gif) ... unplug mass air & its beautiful
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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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88FOX
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Member # 9969
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posted
quote:
Originally posted by SSF 50:
put another sensor on & seem 2 help 4 a minute then back 2 cappy idel ... unplug mass air & its beautiful
i got a 19lb maf you can try.. textd u figure thats faster
[ January 26, 2012, 12:14 AM: Message edited by: 88FOX ]
Posts: 1938 | From: bay area | Registered: Apr 2010
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SSF 50
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Member # 7219
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posted
quote:
Originally posted by 88FOX:
quote:
Originally posted by SSF 50:
put another sensor on & seem 2 help 4 a minute then back 2 cappy idel ... unplug mass air & its beautiful
i got a 19lb maf you can try.. textd u figure thats faster
good lookin...... really thinkin its not the mass air cause its doin the complete opposite, runnin better with it unplugged when it should b making it worse, im stumped rite know
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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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copcar
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Member # 10113
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posted
A bad maf can act in just the way you are describing. Also a dirty meter will do the same. Your computer has a table for defective or malfunctioning meter which it is defaulting to when you unplug the meter. Stock maf?
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12.37@ 109.34.NA 894DA Old Nitto 555 DR's Gt40 irons. B cam/1.7's, All emissions equipment on the car, stock air box. UPR catted X pipe.
Posts: 485 | Registered: Jun 2010
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SSF 50
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Member # 7219
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posted
quote:
Originally posted by copcar:
A bad maf can act in just the way you are describing. Also a dirty meter will do the same. Your computer has a table for defective or malfunctioning meter which it is defaulting to when you unplug the meter. Stock maf?
Stock maf, its all stock except exust... Also has full fresh tune-up... It idles around 600 & can hear it rough, & when u start 2 give it little gas its not smooth / responsive, but once u get past 1000 its all smooth, when the maf is unplugged it idles perfect @ 900 & revs smooth...
So it pretty much still runs good but very low idle, don't wanna jus raise the idle, cause there's something wrong!
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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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SSF 50
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Member # 7219
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posted
Put a known good maf, & same shit crappy / low idle
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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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SSF 50
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Member # 7219
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posted
Figured it out ![[Big Grin]](biggrin.gif) ... it was the vacuum from the smog canister 2 upper intake...
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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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FordRyderz510
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Member # 6771
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posted
quote:
Originally posted by SSF 50:
Figured it out ... it was the vacuum from the smog canister 2 upper intake...
D FTW! Good stuff bro
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Ford Ryderz -Est. 2003
88' GT
96' GT
97' Saleen #17
94' GT-Sold
Posts: 1894 | From: Hayward | Registered: May 2006
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