my 2003 town and country van after i start it and drive it chugs going up hill and blows black smoke some times on a steep hill when it happens it wont go faster then 45 mi an hr
the eng chugs going up hill I re placed the fuel pump wires plugs some time I cant get it to do over45 going up hill because of th cuging
pull an 02 sensor and try it with it out one time. look for a differnce
Fuel pressure regulator over pressurizing. Or a temp sensor manfunction.these vans also have hidden wiring under plenum ( intake) that it touch sensitive that can cause runability issues or damage ecm. Scan ecm first buy parts once. Autozone, pepboys, or o reillys scans for free.
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