IT CRANKS BUT WONT START

1995 CHEVROLET LUMINA
100,000 MILES
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JOHN1227
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I HAVE THIS CHEVY LUMINA 3.4 IT JUST SOUNDS LIKE IF IT WANTS TOO TURN ON BUT IT DON'T

* I CHECK THE SPARK PLUGS AND IT HAS SPARK
* I CHECK THE FUEL PRESSURE AND IT HAS 55%
* I CHECKED ALL THE SPARK PLUS TO SEE IF THEY WERE WET AND NO THEY WHERE DRY
* I CHECKED ALL THE FUSES THEY ARE ALL GOOD
* I TRIED SPRAY IN STARTING FLUID BUT WONT START
**[PLEASE HELP ME WHAT DO YOU GUYS THINK THE PROBLEM CAN BE]
Jun 25, 2012 at 8:51 PM
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ASEMASTER6371
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there is only one thing, does it have compression??

3 things needed are fuel, spark and compression.

Roy
Jun 25, 2012 at 11:28 PM
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JOHN1227
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I HAVENT CHECKED THAT YET..BUT I HAVE CHECKED THE TIMING BELT AND THE BELTS IS OK ITS LIKE NEW......
Jun 26, 2012 at 12:00 AM
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ASEMASTER6371
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does not have a timing belt. it has a chain.

Roy
Jun 26, 2012 at 12:06 AM
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JOHN1227
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IT HAS TO COVERS BETWEEN THE POWER STEERING AND ON THE SIDE OF THE WATER PUMP..IT HAS TWO SCREW SIZE 8,U TAKE OF THE COVER AND THERI LIKE A 1 INCH OR 2 INCH THICK BELT UNDER THOSE COVERS..
Jun 26, 2012 at 12:12 AM
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ASEMASTER6371
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ok, you have the dual overhead cam motor. you need to check the belt. you are right at the time for replacing the belt. if it breaks, it will bend valves and complicate things.

Roy
Jun 26, 2012 at 12:18 AM
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JOHN1227
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OK SO WAT ELSE CAN IT BE..???
Jun 26, 2012 at 12:21 AM
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JACOBANDNICKOLAS
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When the engine cranks, does it sound odd? If the belt broke, you most likely have bent some valves.
Jun 26, 2012 at 1:57 AM
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JOHN1227
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No it cranks up like a regular car...it has new alt new battery and starter..the car was working fine and while I was drivin it just turnd off..
Jun 26, 2012 at 2:09 AM
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JOHN1227
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And the timing belt is new...
Jun 26, 2012 at 2:10 AM
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JACOBANDNICKOLAS
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Have you checked the following:

Spark (should be blue snapping spark)
Fuel and fuel pressure (should be within manufacturer's specs and
be getting a good pulsing power to each
injector)
Engine compression Should be within the manufacturer's spec.

If the belt broke, you could have bent valves.

Let me know what you have found.
Jun 26, 2012 at 2:37 AM
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DONNA999
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same thing happened to me John with my 99 lumina 3100 with 70,000. driving fine, all of a sudden car shut off. got it off the road, tried to start, made clanking noise. Had it towed. Bent valves and pushrod, yet timing chain OK. They don't know what happened. Engine passed compression test. They can repair valves and they might find out what happened after they get into it, but they could put back together with new valves, and if engine knocks, need new engine. Did you ever find out what happened to your Lumina???
Aug 15, 2012 at 12:17 AM
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