ready to set my fox on fire!

Mlx50man · April 17th, 2009, 05:17 PM

ok guys heres what its doing, i start her up she doesnt want to idle, but will stay barely alive at around 500 rpm, sometimes when i get on it , it will backfire through the intake. timeing is set at 12 degrees so i can run 89 octane. whats my problem? its got a cobra intake bbk 70 mm tb and 76 mm mass air meter. f cam and stock everything else. Im dieing to get her runnning good again. please help. do the comps go bad in these ? could that be why she doesnt want to run?

dr.gonzo! · April 17th, 2009, 05:55 PM

Have you tried running a self test?

DIY KOEO/KOER/Cylinder Balance Self-Test Procedure

87FloridaGT · April 17th, 2009, 08:40 PM

Werent you having this trouble before? It may be another person in Lakeland I am thinking of

flyin ryan · April 18th, 2009, 02:30 AM

If you unplug the mass air meter does it run better? how old is the gas?
I'd try the diagnostic test first and look up the error codes.. simplest way to get to the source without throwing money at it.

Mlx50man · April 18th, 2009, 02:12 PM

Originally Posted by 87FloridaGT

Werent you having this trouble before? It may be another person in Lakeland I am thinking of

ya its me, still havent got it right.

Originally Posted by flyin ryan

If you unplug the mass air meter does it run better? how old is the gas?
I'd try the diagnostic test first and look up the error codes.. simplest way to get to the source without throwing money at it.

ya if i unplug the mass air it runs smoother, but when i go to drive it with it unplugged it buck jumps really bad.

April 17th, 2009, 05:17 PM	#1
Mlx50man Regular 90 Mustang lx Boss 347 Join Date: Aug 2007 Location: Lakeland, FL Posts: 491 iTrader: 0 reviews	ready to set my fox on fire! ok guys heres what its doing, i start her up she doesnt want to idle, but will stay barely alive at around 500 rpm, sometimes when i get on it , it will backfire through the intake. timeing is set at 12 degrees so i can run 89 octane. whats my problem? its got a cobra intake bbk 70 mm tb and 76 mm mass air meter. f cam and stock everything else. Im dieing to get her runnning good again. please help. do the comps go bad in these ? could that be why she doesnt want to run?

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April 17th, 2009, 08:40 PM	#3
87FloridaGT Newblet 1987 GT Join Date: Dec 2008 Location: Central FL Posts: 734 iTrader: 1 reviews	Werent you having this trouble before? It may be another person in Lakeland I am thinking of

April 18th, 2009, 02:30 AM	#4
flyin ryan Banned Join Date: Jun 2008 Posts: 3,387 iTrader: 0 reviews	If you unplug the mass air meter does it run better? how old is the gas? I'd try the diagnostic test first and look up the error codes.. simplest way to get to the source without throwing money at it.

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