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Mustang runs rich

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Old 08-23-2009, 10:59 AM
  #1  
Bob Carroll
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Default Mustang runs rich

Hi
New to the forum but my mustang is giving me fits. Mods are victor jr heads, x-303 cam, Edelbrock performer rpm intake, 24Ib injectors, c&l 24Ib mass air meter, mac cold air, headers, 75mm throttle body
2.5 exhaust etc. no cats, no smug pump, no egr just breather any how check engine light on tried 2 different scanners will not communicate with either tried switching computers got better for a little bit but check engine light stayed on hooked car up to a "break out box" most voltages normal other than the injectors were running battery voltage and mass air meter voltage was screwy also need help

thanks Bob
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Old 08-23-2009, 11:45 AM
  #2  
mjr46
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Originally Posted by Bob Carroll
Hi
New to the forum but my mustang is giving me fits. Mods are victor jr heads, x-303 cam, Edelbrock performer rpm intake, 24Ib injectors, c&l 24Ib mass air meter, mac cold air, headers, 75mm throttle body
2.5 exhaust etc. no cats, no smug pump, no egr just breather any how check engine light on tried 2 different scanners will not communicate with either tried switching computers got better for a little bit but check engine light stayed on hooked car up to a "break out box" most voltages normal other than the injectors were running battery voltage and mass air meter voltage was screwy also need help

thanks Bob
google DIY KOER and look for a write up by joel5.0 to PULL CODES MANUALLY
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Old 08-25-2009, 05:21 PM
  #3  
Bob Carroll
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Default now what

pulled codes manually found 29,31,63,66, and 85 found what all the codes mean just not sure where to start
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Old 08-25-2009, 06:05 PM
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uedlose
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Just me but I would start with dumping that C&L meter. after you pick through your codes.
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