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GMC P0430
In my shop today was a nice 1998 GMC Yukon with the check engine light glowing. A shop down the road had told the owner not to worry, the only thing wrong was the catalytic converter was at 97% effecient. Here is some scan data. You be the judge [1998 GMC Yuko... Login to read more. ![]()
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| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1998 GMC Yukon SLE 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |

33 Replies Received
33 Replies Received