2004 sunfire 2.4 litre cranks wont start

2004 PONTIAC SUNFIRE
294,000 MILES
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NICK1234444
  • MEMBER
  • 2 POSTS
have spark and fuel and good air cranks for 5 seconds then vapour locks
Feb 1, 2012 at 6:02 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
what do you mean by vapor locks?
Feb 1, 2012 at 6:20 PM
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NICK1234444
  • MEMBER
  • 2 POSTS
the car will crank for 5 seconds and then lock up and we have feul and spark and just changed the crankshaft positioning sensor and put new plugs
Feb 1, 2012 at 6:32 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
was it doin this before ya changed stuff?
Feb 1, 2012 at 6:58 PM
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