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1993 Pontiac Grand Am wont start

Tiny
COLE276
  • MEMBER
  • 1993 PONTIAC GRAND AM
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 89,000 MILES
It started the car fine with no problem, didnt even go a mile and it just spit and sputtered and died it has a new gas tank new line new fuel filter, three quarters tank of gas and it wont start back up. Put new computer in and still nothing checked the sparks and it has a new starter in it. Please help
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Friday, June 6th, 2008 AT 1:29 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure to rule out the fuel pump, also recheck for spark.

If the engine's condition is in tip top shape-do below to determine if its fuel or spark problem that's if its cranking over and refuses to start

Get a carb cleaner and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light.

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems with compression and valves opening and closing at the wrong time
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Friday, June 6th, 2008 AT 3:13 PM

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