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Re: 1990 4.3 hesitating
Moved all ground wires from manifold to cylinder head , now wont stay running when off cold idle , had rich code , replaced coolant sensor , thinking o2 or map sensor?
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69 1/2 ton lwb lowrider
90 C-1500 2wd
08 2500 HD 4WD
94 Grand Cherokee
49 Cadillac sedan 
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