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IAC counts vs VAC leak
This little 2.4 quad came in with STFT -23 and LTFT -25. Runs [...] counts were 45. Upon inspection i found the vac hose to MAP severely deteriated. Replaced VAC hase and all is well. I had always looked at IAC as a source of wether or not it has a vac leak. G... Login to read more. 
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| Engine | 2.4 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1998 Pontiac Grand Am SE 2.4L
| Engine | 2.4 L |
| Trans | 4-speed Automatic (Electronic) |
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