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Running out of time!

Tiny
DANANEWMASONRY
  • MEMBER
  • 1987 CHEVROLET BLAZER
  • V8
  • 4WD
  • AUTOMATIC
  • 96,000 MILES
My 87 Blazer has both fuel and spark. I've poured gas and used starting fluid in the TBI and used the timing light over two different wires to confirm. Turning the engine, it acts like it wants to start, as it almost catches after a few seconds but then just turns over. It doesn't make any sense to me because it started up and ran beautiful just fine two days ago!
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Monday, January 31st, 2011 AT 8:22 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure if its within specs if okay make sure the injectors are pulsing and check ignition timing
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Monday, January 31st, 2011 AT 8:27 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Check for compression, if no compression, it won't start. With number one cylinder on top dead center of compression stroke, what is the timing pointer doing?

Check egr and blocked exhaust. Any applicable mil codes? Check fuel pressure and injector pulse.
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Monday, January 31st, 2011 AT 8:33 PM

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