Question about 1994 GMC Jimmy

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Runs fine until it gets warm or hot then cuts off then cools and will recrank

It will run fine until the engine gets up to temperature then it will shut off when you let off the accelorator. You let it cool for 10 - 15 minuets and it will refire and run again until it gets hot then it shuts off.

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  • Contributor
  • 52 Answers

Does it crank over when the engine is hot. If it does sounds like your maybe loosing fuel if so check fuel pressure if t is good check for spark could be a bad crank sensor or bad distributor.

Posted on Feb 17, 2013

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: vehicle shuts down after reaching operating temperature

In side the left corner of the glove box is a cover....remove the cover and you will see 2 square relays...swap these one for the other and then try....these relays will fail..and when it does overheat it WIll shut the engine down.

Posted on Aug 30, 2009

  • 6 Answers

SOURCE: engine cooling fan runs all of the time

the fan relay is bad

Posted on Mar 06, 2009

polarcycle
  • 1392 Answers

SOURCE: truck idles fine but has no power

Does the exhaust sound muffled? Could be a bad catalytic converter.

Posted on Mar 06, 2009

clarktravis8
  • 74 Answers

SOURCE: 1994 sonoma stops running when it warms up

Replace you fuel Injector pump and check for any bad or clogged injectors. make sure idle adjustment screw is properly set 1ak+f4pj7cbm32cuniyi2gaaaaaelftksuqmcc

Posted on Apr 24, 2009

  • 91 Answers

SOURCE: AC is cold, then hot..

you need the tempature blend door motor. My 01 silverado had this issue about 1 1/2 years before i was tired of messing with it they are not hard to replace. The cover (if it is still on) for passenger side floor ducts needs to be removed and the motor is near the right side of "hump" (trans tunnel) mounted horisontial with the armature pointing upwards.

Posted on Apr 27, 2009

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2 Answers

When I turn the engine off the engine cooling fan stays on and does not shut off


depending on the engine temperature the fan is supposed to remain on after you turn the engine off, until the engine reaches a preset cooler temperature. when it reaches cooler temperature usually within 5 minutes or so it should cut off... if you cut it off and it is running 30 minutes later.. then there is a problem with the fan relay or temperature sending unit.

Sep 28, 2015 | 2009 Dodge Grand Caravan

1 Answer

After I start the engine it runs fine until it warms up to operating temperature and then runs rough and produces black smoke until t dies. It will not re-start normally until it has cooled.


Bad coolant temp sensor making ECU think engine is still cold, thus running rich, as if choke is on. There are two temp sensors, one for dash gauge (one wire) and one for the ECU (two wires). You can remove it and test with voltmeter by placing unit in hot or cold water to compare readings.

Jan 14, 2015 | Cars & Trucks

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My 1999 taurus will run but when it gets to operating temp it cuts off, after it cools down it will start and run fine until it warms up again, and then it cuts off again. I can repeat the process as many...


A lot of the time when that happens it is crank sensor it starts to get hot and stuffs up how I check and it work sometimes is poor cold water all around the sensor area after it stops and if she starts up after you cooled it down you found the problem then just replace it

Dec 19, 2014 | 1999 Ford Taurus

1 Answer

Engine cutting out when getting hot


check coolant temperature sensor

Mar 28, 2014 | 1994 Toyota Celica

1 Answer

What causes hyundai Elantra 2002 tempature gauge fluctuates between normal and hot


The thermostat "seals" the cool coolant giving up (rejecting) heat in the radiator & heater core from the hot coolant absorbing heat in the running engine "block".

When the coolant in the engine reaches a specific temperature (180 ~ 195 degrees) as determined by the value selected by manufacturer or when replaced, it opens and allows the hot coolant in the engine block to be pumped out to the radiatot & heater core for cooling and the cool coolant in the radiator / heater core is pumped into the engine block - replacing the hot coolant. The thermostat senses cool coolant in the engine block and seals shut until the temperature of the coolant in the engine block rises to 180 ~ 195 degrees again. This process continues over and over for as long as needed.

You should check to make sure that the coolant level in the reservoir / radiator is sufficient by checking when cold. Do NOT remove a radiator cap when it is hot! With the cap off, start the engine and add additional coolant as the engine warms up to normal operating temperature. If coolant levels are ok, the trouble could be related to the thermostat or possibly a faulty temperature sending switch. This means that the temperature of the coolant is fine - but the switch or sensor that converts the temperature to a voltage for the gauge on yur dashboard is the problem.

If the temperature is fluctuating up and down, you should have it fixed. Good luck!

Apr 12, 2013 | 2002 Hyundai Elantra GT

1 Answer

On my 1991 3.1 chev lumina when it get warm you step on the gas and it die's what the heck? can anyone help


some common problem in the summer when car get hot over and over the ignition (coil) is affected it will make your car cold run fine but cuts off when hot if occurred look for the coil
if you let car cools down for an hour then it started and work fine until cut off when hot again sure it is coil .

Jun 08, 2011 | 1991 Chevrolet Lumina

1 Answer

Air flow will not get hot. Only warm, about 67 degrees is all. Have replaced thermostat. Fan motor operates fine, just temp sensor seems to have no effect.


Hello! The heater core is partially blocked...I would suggest flushing the cooling system with the temperature control on high...NOTE...The type of anti-freeze used in your vehicle is DexCool...If another type is used it may damage the cooling system...To flush...Drain radiator...Fill with plain water...Run engine until thermostat opens...Turn engine off...Let cool then drain...Do this at least three times or until water drains clear...Install new thermostat...Refill with 50/50 DexCool...Leave the radiator cap off as engine warms...Allow all air bubbles to escape...Then install cap...

The down side of DexCool is electrolysis...Electrical current flowing in the cooling system which can cause the anti-freeze to "clump" blocking its flow...Periodic flushing eliminates the problem...

Guru.........Saailer

Feb 03, 2011 | 1994 Cadillac Fleetwood

1 Answer

Have a 1993 toyota paseo it keeps running hot change out radiator and house it does not have a tremostate could that be making it run hot


An explanation of the cooling system.
You start your car, it is cold at first. The thermostat is shut. Car warms up and raises the temperature of the coolant in the engine block. Thermostat opens up. Water from the radiator (cool) is exchanged for water from the engine block (hot) The cool water causes the thermostat to shut. This traps the hot water in the radiator so that it can be cooled down. The cool water that was exchanged for the hot water, now becomes the hot water because it is in the engine block. It heats up until it's temperature causes the thermostat to open again, exchanging cool water for hot water. If you have no thermostat, then you will never hold water inside your radiator. You have to hold it there to allow it to cool off, then it becomes useful to cool your engine. So, yes put a thermostat back in it, and please vote as to whether this was helpful or not.

Nov 23, 2010 | 1993 Toyota Paseo

1 Answer

Cold starts ok warms up shakes and stalls


check engine coolant temperature when it gets warmer, or at operating temperature, and verify that the temperature gauge is showing warmed up to operating temperature. If the coolant temperature sensor tells the computer the engine is cold it will over fuel and miss and the engine will die. When cooled down it will run fine until it warms up. Also could be coil if it starts missing after warmed up.

Aug 18, 2009 | 1990 Ford Bronco II

1 Answer

98 honda shutts off and will not start until cooled off


you say the engine shuts down when it gets hot if it runs rough before doing so it could be the coolant temperature sensor allowing the engine to  overfuel  if the engine cuts out in a couple of seconds but sounds smooth it could be the fuel pump , if it cuts out instantly its electrical.

Mar 21, 2009 | 1998 Honda Civic

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