Question about 1993 Chevrolet Lumina

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93 chevy lumina euro won't stay running

I have a 93 chevy lumina euro 3.1 liter. it will start and run fine until it warms up. once it gets warm it seems to starve for fuel and dies! no matter how i try to keep it running it will die anyway. if i try to start it right after it dies it fails to do so. if i let it sit for 10-15 minutes it will then start and run like nothing is wrong wiuth it...until it warms up again! can you please help me??!!!

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  • baileyj74 Dec 31, 2008

    I can tell by how it sounds that it wants to start... just won't till it cools off. could it be the temperature sensor?

  • baileyj74 Dec 31, 2008

    I just did a self diagnostic test and i came up with codes 33 & 35....any idea?

  • baileyj74 Dec 31, 2008

    the cooloing fan also turns on while running the diagnostic test. is this normal? the engine was cold when i did the test... yet the fan don't seem to want to come on when it should...like when the engine is running hot!

  • Anonymous Apr 23, 2009

    the last comment could be the key . . .mine does the same thing . . . .also when youre cranking away when hot, not stepping on the gas helps as if you do so . .the engine is flooded even more . . .

  • Anonymous Apr 29, 2009

    I have this same problem with my 1990 lumina and i replaced in this order. iac, map. ing. module,cps, traced out and repaired wires to the cps and then replaced the ecm. the car ran for 20 min. so i testdrove it

    and it satlled but started back up i drove it for 45 min.the longer i drove it the better it ran but it hesitated a lot well after driving about 45 miles the next day it stalled again and won't start any ideas?

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Sounds like it could be a fuel injector shorting out. have to get it hot, pull off the plenum and check the resistance in each injector. if any injector has bad resistance, replace it. when an injector shorts out on these particular vehicles, it shorts out the whole injection circuit. and when it cools off the resistance goes back up and it will run ok. i think the correct resistance should be about 13 ohms.

Posted on Mar 19, 2010

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If you can check for spark when it wont start and fuel pressure and the service port , would be great information , otherwise pattern failure is ignition module and crank sensor (replace them as a set) , after cools off it will run again.

Posted on Dec 31, 2008

  • Rick Byrd
    Rick Byrd Dec 31, 2008

    do you have diagnostic codes , it a light on your dash ? if not its back to the basics , ign module and fuel pump , fuel pumps dont generally cool off and start back up , modules do .

  • Rick Byrd
    Rick Byrd Jan 01, 2009

    if your MAP sensor lost its vacuum hose it would want to flood the engine when warmed up and IAC would try to compensate , check that MAP sensor for a vacuum hose that fell off , im remembering just what that application looks like now , it is in the back near firewall connected to a bracket on rear intake manifold , hard to work with .

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I have a 1993 chevy erro did the same thing after changing alot of parts.
we found that it was the computer chip.. my car has been running great eversince. allso gave it aa new paint job 152,ooo miles and still is dependable..computer chip cost me 165.00 used

Posted on Feb 05, 2010

  • diyanah Mar 01, 2013

    where does the computdr chip go

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I have same problem and i will say this that it happened when the car ran out of gas. so i assume it is the fuel pump i already changed the filter and that made no difference. im going to drop the tank and change the fuel pum within the next couple weeks so i will definitely post the outcome 4 everyone. ps a good friend of mine had a lumina of same type and it acted the same but it would NEVER start. he changed the pump and it was fine after that. ill post soon

Posted on Oct 29, 2009

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My 93 lumina euro starts and runs fine for about 10 to 15 minutes and begins to spit n sputter then it will stall if your not on the gas. Even sometimes when u put it into drive it will just stall.... but it always starts right back up and continues to do this problem untill it cools down some. I checked the spark plug wires and all three up front were arcing which i doubt helps but i was also told that the wires arcing is probably not the only problem. The other problem i was told it could be is the mass air flow thing in the intake tube..... any one with any suggestions please share

Posted on Jul 20, 2010

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I have the very same problem . . but i have used a atsrting fluid to start the car (spray it in the air intake . .or remove intake hose and spreay it there) . . soo . . its deffinitely not the flooding . . . its the injectors losing pulse . . . .

Posted on Apr 24, 2009

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