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No MAP Signal

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Awsniper

15+ Year Contributor
41
0
Aug 28, 2005
Honolulu, Hawaii
Just crunk up my car after about 1 month of sitting, I have a 3" gm maf/maft on it and it worked fine before i removed my Apexi fuel controller. After i removed it, crunk up the car and about 30 sec later i get the cel code for No MAP signal. check all the wires and all the grounds ( check good). could the Maf just have gone bad??
The MAFT was giving me the green light, but when i would change a button nothing would happen. Car stayed full right at 1200rpm, even after warm up.
 
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