Question about 1995 Pontiac Grand Am

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HAD A NEW MOTOR PUT IN NOW VECHILE WILL CRANK FOR A FEW SECONDS B

CAR WAS RUNNING BEFORE WE HAD A ANOTHER ENGINE PUT IN HAD TO HAVE ENGINE REPLACED THE OLD ONE THREW A ROD CAR IS A 95 GRAND AM SE MECHANIC SAYS HE REPLACED THE CRANK SHAFT SENSOR HE REPLACED THE FUEL PUMP TWICE CAR ACTS IF IT ISN'T GETTING ANY GAS UP TO THE ENGINE CAR WAS RUNNING FINE TILL HE REPLACED THE ENGINE THIS GUY HAS DONE A LOT OF GUESSING AND WE HAVE SPENT TO MUCH MONEY WITH HIM ITS MY SON S CAR AND HE NEEDS IT FOR COLLEGE THE MECHANIC PUT IN A 3100 ENGINE THE ENGINE IS A 6 CYCLINDER WE NEED HELP

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  • Pontiac Master
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If the car was stored outside with no hood on it for any length of time while the shop was working on it, chances are it got wet in places it normally would not. Any small amounts of corrosion in pin terminals would then have had a chance to deteriorate to the point that contact is lost.(I don't know if this is the case, but I have seen it happen too often to not mention it) Either way, every plug on every wire connection needs to be checked for continuity betweeen the pin itself and its attending wire, at both ends.I'd begin by putting a clean properly gapped new set of plugs in there and spraying carb cleaner into the throttle body while cranking. If it starts, then I would concentrate on items that operate the fuel system...you will then be looking at the pump, pump relay and its wiring and power supply...once operation there is established, move to fuel management items such as injectors etc. Even though you won't see any relevant codes in the computer make sure that you have the ability to read them...no signal from the computer is a power or ground problem that also needs correction. It may take some time, but by going through everything Item by item you will find your problem. It also would be really nice if you could find someone with a "donor" car to use as a map for connections and proper readings.(I have several manuals but in "real life" I've found that the information isn't as accurate as what I obtain from a real running car.) Too bad you aren't here...I have a similar car sitting in my driveway. Good luck.

Posted on Jun 20, 2009

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