I was curious if throttle body spacers could be stacked to add more performance and fuel economy? Thanks for input. I have a 4" cowl hood so there is plenty of room to accommodate them or does anybody make one that is larger than a 1" one?
No DTC stored in computer
Got an ODB reader and it states "no dtc codes stored in computer or freeze frame data. The fuse has not blown again but still won't start. I'm going to check for spark tonight. I just don't want to start buying a bunch of parts if they're not needed. The Yukon only has...
Started Yukon and it idled for two min. then just died. I saw the ECM-I fuse was blown and replaced it. Still won't start. Need help as I don't know too much about all the new electronics, I'm use to the old pre-computerized trucks. Thanks for any help
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