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Cavalier Problem Diagnosis Got a problem you can't fix? We can help.
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Old 12-05-2004, 10:43 AM   #1
lastrep2
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Angry Car cranks but won't start

95 cavalier was running great stop at store for about 20 min's , tried to start car but no start, cranks over ok but will not start. Now not sure if this is related but believe it is about a month ago I start smelling gas fumes specially when running heater. Doe's anybody have a idea what the problem could be
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Old 12-05-2004, 03:11 PM   #2
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Re: Car cranks but won't start

Do you have spark? The smell could be from a bad pressure regulator.
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Old 12-07-2004, 01:26 PM   #3
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Re: Car cranks but won't start

Yes I do have spark
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Old 12-08-2004, 03:28 PM   #4
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Re: Car cranks but won't start

You will need to follow the fuel flow to see where it stops. You may need a fuel pump, or filter. If these are fine you may need a oil sending unit. If this unit goes bad the ignition module will sut off the fuel injectors. Good Luck.
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Old 12-14-2004, 01:55 PM   #5
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Ok thanks for the replys,But here is where I stand now.Had it Towed home went out two days later car started right up,so to be safe I changed Fual filter, air filter put fual injector cleaner and dry gas in tank drove car for over a week and a half no problems,started this morning drove 1 mile to store came out try to start same thing won't start.
I do have a question if I turn key on should I always hear Fuel pump kick on ? because right now I done.

thanks for any replies
Dave
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Old 12-14-2004, 02:14 PM   #6
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sorry for all the mis spells (Fual, should have been Fuel) and (Done should have been Don't)
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Old 12-14-2004, 08:47 PM   #7
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Re: Car cranks but won't start

yeah,when you turn the key to the on position the pump should run for like 2-seconds. sounds like maybe fuel pump relay is going bad,check that 1st,if thats it its a pretty cheap fix..
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Old 01-18-2007, 11:06 PM   #8
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Re: Car cranks but won't start

Hey there I had the same problem with my sunfire.. go out and again 20 mins later it would start. It was a problem in the ignition. I got the ignition replaced and it was expensive. over 500$.
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