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1998 Pontiac Firebird car won't start

Tiny
MAMABEE2
  • MEMBER
  • 1998 PONTIAC FIREBIRD
Engine Mechanical problem
1998 Pontiac Firebird 6 cyl Two Wheel Drive Automatic unknow miles

My son thought he had run out of gas but that was not the problem. He replaced the fuel pump & the fuel filter on his car and it will turn over but still will not start. Any ideas on things to check will be appreciated.

Thanks.
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Friday, May 30th, 2008 AT 7:09 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Buy a spark tester and check for spark on all of the cylinders, spark should be bright blue and well defined not eratic.

The firing of the plugs should be rhythmic also not like a machine gun going off.

If thats all good try dumping gas down the throttel body and trying to crank it, does that fire it up?

Reply to me so we can figure it out.
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Friday, May 30th, 2008 AT 9:34 PM
Tiny
MAMABEE2
  • MEMBER
  • 2 POSTS
Engine cranks after replaceing fuel pump but goes dead want stay running. Will crank right back up and die
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Friday, May 30th, 2008 AT 10:25 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Perform a running fuel pressure test, see if the pressure drops when the vehicle dies.
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Saturday, May 31st, 2008 AT 10:01 AM

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