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Tiburon idle if you let it set for a couple of hours it will start up and run fine for about ten to fifteen minutes but then wants to die i can keep it at about two grand and it will stay running but if it dies i have to use ether to start it back up i have change the tps sensor the fuel pump the coil pack the cam shaft sensor fuel filter

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Try this if A/T trani: When the car starts to act up put it in neutral, if it continues to act the same then its not your transmission. Check your plugs specifically for the color of their tips. Black means excessive fuel consumption, white means a bad valve or blown head, light brown is normal. If those are fine buy a set of spark wires and replace the ones on your car currently. Keep the box and receipt so you can return them if that doesn't fix the issue. Check your altinater for its charging capacity, over 14 and its over charging and wrecking your battery, under and it's not recharging the battery causing you to lose all power eventually. If not of that works, there's a short somewhere and you need a mecanic electrician to find it.

Posted on Nov 21, 2013

  • jameslamb316 Nov 21, 2013

    Try this if A/T trani: When the car starts to act up put it in neutral, if it continues to act the same then its not your transmission. Check your plugs specifically for the color of their tips. Black means excessive fuel consumption, white means a bad valve or blown head, light brown is normal. If those are fine buy a set of spark wires and replace the ones on your car currently. Keep the box and receipt so you can return them if that doesn't fix the issue. Check your altinater for its charging capacity, over 14 and its over charging and wrecking your battery, under and it's not recharging the battery causing you to lose all power eventually. If not of that works, there's a short somewhere and you need a mecanic electrician to find it.

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  • 17 Answers

What kind of car is it what year?

Posted on Nov 21, 2013


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6ya6ya
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Posted on Jan 02, 2017

  • 321 Answers

SOURCE: buick lesabre nightmare

Need to get a scan tool and look at the data stream while it is running for alot more info.Also any trouble codes.Sounds like initially,the engine isn't getting any fuel.I would have a pressure gauge connected to the fuel rail on the engine,so i could monitor the fuel pressure while all this is going on.Items to look at on the data stream would be timing,what timing is the PCM commanding for the engine.Also,have you checked for continuos power feed to the coils during this no start condition,and fire at the plugs while cranking.You could possibly still have spark,but maybe it is extremely weak?I have seen bad ignition switches cause weird problems before too.Many things power up through the ignition switch,just a thought.Have also seen bad PCM's cause strange problems..38 volts is a little on the low side for GM.Usually see those at,at least .50 and up,and rise steadily while pressing the throttle,up to just under 5.0 volts.Potentiometer with 5 volt supply.Vacuum leak can be checked with engine running at a steady idle speed,spray brake cleaner all around the intake manifold and listen for engine speed change.

Posted on Jul 31, 2008

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SOURCE: buick lesabre no start

Hi you have replaced allmost everything ,(try fuel pump relay)

Posted on Aug 18, 2008

  • 1 Answer

SOURCE: truck starts, dies. truck runs good some days,bad the next

I had the same problem with My 1990 F150 300 6cylinder 4x4.....I cahnged all the same things you did, finally I sprayed a can of Gumout through the throttle body and it worked and ran great. Now I add fuel injector cleaner to the gas and a regular clean with the gumout and the problem has'nt come back. Good Luck to you and hope it works!

Posted on Oct 06, 2008

kyo0141
  • 15 Answers

SOURCE: 92 lesabre runs 4 minutes and dies

Make sure and check your ignitioin fuse if its out the car will start it just wont stay running verry long sometimes in most cases will turn over but not start

Posted on Dec 29, 2008

  • 1 Answer

SOURCE: 97 grand prix gtp starts then immediatly dies

If you have a GTP these engines use a hi output fuel pump. they use a fuel pump resistor located under the battery tray (look up from under the car) This resistor lowers the voltage to the fuel fump when not in boost mode. because of its locatoin it is prone to corrosion. if you bypass the wires and the engine starts and stays running replace the resistor

Posted on May 16, 2009

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