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2004 blazer parked last night running great this morning won't start
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Guest
Anonymous Poster
ronfl04@comcast.net
Oct 28, 2008, 8:02 AM
Post #1 of 5
(2505 views)
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2004 blazer parked last night running great this morning won't start
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like i said above last night when i come home it ran great. no problems at all. this morning won't start. 2004 blazer,3.4 liter, put gas in throttle body still didn't start. think it's not getting fire. what would be the first thing that i should check. i don't have any testers my ex saw fit to sell all my tools.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Oct 28, 2008, 8:12 AM
Post #2 of 5
(2500 views)
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Re: 2004 blazer parked last night running great this morning won't start
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Do your best to check for spark but it may not be getting either. Check all the fuses - better if by test light to anything engine control as possible. Be nice if you could tell if they got power at all,
T
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dmac0923
Enthusiast
Oct 28, 2008, 8:15 AM
Post #3 of 5
(2498 views)
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Re: 2004 blazer parked last night running great this morning won't start
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just pouring gas in the throttle body may no be enough. its not like a carburetor. chances are the gas just puddled on the other end of the throttle plate and never made it down into the cylinder heads. also your car wont run with the intake tube and intake air sensors detached.
what i would do to verify if your getting spark is grab some starting fluid. now while leaving all your air intake tubing attached to the throttle body, pop off the top of your air filter box. Now with someone cranking the engine for you try spraying the starting fluid down the intake tube. Try not to blast the MAF sensor with the starting fluid.
the engine stumbles your getting spark and its a fuel problem which is more likely to go bad in a short period of time like you described
if it is fuel i would check the following:
1) the internal check valve inside your fuel pump failed allowing all the gas in your fuel lines to drain back into the tank. try cycling the fuel pump a fuel times by turning the key to ACC but not start. you should be able to hear the pump running. Your going to have to do this several times to prime the system back up.
2)Clogged Fuel Filter
3) faulty fuel gauge and your actually out of gas.
__________________________________________________
2015 Jeep Grand Cherokee
2002 Ford Ranger
2004 Toyota Corolla
1969 Ford Mustang Mach 1
(This post was edited by dmac0923 on Oct 28, 2008, 8:17 AM)
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Guest
Anonymous Poster
ronfl04@comcast.net
Oct 28, 2008, 8:31 AM
Post #4 of 5
(2493 views)
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Re: 2004 blazer parked last night running great this morning won't start
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thanks man i cycled the thing 20 times and it fired right up. now i can go to work. i just started this job a week ago so when i called i was worried about getting fired. thanks so much. so should i replace the fuel pump is this a sign that it will be dead soon?
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dmac0923
Enthusiast
Oct 28, 2008, 10:23 AM
Post #5 of 5
(2491 views)
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Re: 2004 blazer parked last night running great this morning won't start
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yea your going to have to replace the fuel pump. the check valve is internal in the pump and since youll have it in your hands its worth the peace of mind to replace it now.
not sure if your going to tackle this yourself on a weekend or give it to a shop. but either way try to run your gas tank close to empty before the job is started
__________________________________________________
2015 Jeep Grand Cherokee
2002 Ford Ranger
2004 Toyota Corolla
1969 Ford Mustang Mach 1
(This post was edited by dmac0923 on Oct 28, 2008, 10:24 AM)
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