Question about 1996 Chevrolet Caprice Classic
This is a old police car with the LT1 motor....the car runs for about 5 min and shut off....i get a smell of fuel....the car will not start up for about hour and it is a rough idle at first....I am getting black soot out of both tailpipes...now i did just replace everything on this car, map sensor, wires, plugs, air flow sensor, ing. module, coil, ...the car is threwing no codes, (With OBD 1....they may be some codes that I cannot pick up)....now I did notice yesterday that the Eletric Air Pump (It pumps air into the exhaust man and does something/reused with the fumes... well the negative on the connetor is almost melted, like some kind of short, I believe that the pump burnt out....I guess this may cause the car to run rich and will this cause the car from running???
Hi i dont know if this is going to help u but , i have a 1996 caprice and what happened to mine.there is a fuel pump fuse under the hood if that fuel pump fuse is worn or rusty it will not get contact some times the engine will not start or when it do start it will shut off after a couple of min's
if it any help thanks
Posted on Apr 22, 2009
Sounds like the fuel pressure resulator too me !!!
Posted on Apr 20, 2009
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Posted on Jan 02, 2017
SOURCE: wont stay running
the air pump will not change fuel mixture it is used to reduce emissions by adding air to the exhaust to allow the fuel to finish burning
after you replaced all those sensors did you reset the computer (unhook the battery for about 5 min)?
i would pull the plugs clean them, with the plugs out crank it over to clear the cylinders. reinstall the plugs and start it
Posted on May 16, 2009
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