Bad Afr & Rough Idle

[Valitz]

Hi guys i have a problem with my AFR at idle , the data usually fluctuates between 14.7 and 20 is usually corrected but fails again randomly , as a mod i have an edelbrock supercharger 2300 Tvs

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[Cory S]

possible vacuum leak.

 

[Rapid Red]

Have you spoken with Edelbrock, they are pretty good with support.

 

[K4fxd]

Lambsa is showing stoich. Need more information. Do you have a log with fuel parameters?

 

[Cory S]

Lambsa is showing stoich. Need more information. Do you have a log with fuel parameters?

Lambse is what the PCM is trying to target.

 

[K4fxd]

In my software lambse is STFT

 

[Cory S]

In my software lambse is STFT

Yeah, SCT is different then.

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