Question about 1993 Pontiac Firebird

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My 93 firebird formula was running hot when stopping at red lights and going slow through town but at interstate speeds it runs normal running temp i took the thermostat out and flushed the cooling system and it hasn't run hot since but i bought a new thermostat and changed the water pump and mow its doing the same as before someone please help me out i need this fix desperately i have no water in my oil or oil in my water.....

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  • Contributor
  • 14 Answers

Fan Clutch.

Posted on Jul 06, 2017

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Posted on Jan 02, 2017

alicantecoli
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SOURCE: new pump, thermostat,full,bled,no heater,still runs hot

head gasket??

Posted on Dec 31, 2009

  • 22 Answers

SOURCE: 1995 Pontiac Grand Prix SE 6v 3.1L running red line hot!

maybe a water pump.

Posted on May 29, 2010

  • 1 Answer

SOURCE: grand am running hot

I have a 93 grand am. It overheated I changed the stat,there are no leaks,no antifreeze in the oil or coming out the exhaust,I hooked the fan up so it runs all the time,yet it still runs hot. Any ideas.

Posted on Aug 25, 2010

  • 52 Answers

SOURCE: i have a 93 firebird

Hi there, have you checked the colour of the oil in the motor, if not clear or normal and have a milky look, it sounds like the head gasket is on the way, it will still drive but the symptoms sound like the head gasket, Check the oil. Hope this will be of some help to solve the problem

Posted on Sep 26, 2010

  • 878 Answers

SOURCE: My Grand Prix stared running

are you sure that the radiator is not clog ,also check the cap for broken gasket also check the hoses for stiffness i would also wanna run it without thermostat to see what happens ,some times they come defected from manufacturer good luck

Posted on Mar 30, 2011

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2004 hyundai elantra.. car had coolant leak the other day and temp gauge went past red lines. Leaking out the passenger side front of car, round piece with hole in it.. bf put stopleak in it and filled...


Let's go over a list of things here and get everything organized. Most cars have an "open" coolant system, meaning that if it gets too hot (thus increasing the pressure inside the coolant system), the reservoir or radiator cap will open up and allow that pressure to release, or the coolant to expel - which would cause you to spill coolant.

After it cooled down, you were able to drive it for 70 miles - presumably on the highway/interstate/freeway, or another road that may not have a whole lot of stopping.

Then you started driving in town, most likely with stoplights or stop signs. The car overheated then and you weren't able to get it restarted (which is normal and is a safety feature on a lot of cars).

Fluids are good, the fan is kicking on, and the belts haven't broken.

Okay, so you actually did a pretty good job narrowing this down (assuming I didn't miss anything). The car is doing it's overheating when you're in stop and go traffic, with low airflow. If you are running your air conditioning, try turning it off and see if that keeps you from overheating (assuming the car starts now). If it does, then chances are your fan isn't kicking into high-speed. On some vehicles, you have two fans, on others you only have one. If you have two fans, one will only kick on when the AC is running. If you have one fan, it should have two speeds. A low-speed for simply cooling the engine, and a high-speed for when the AC is running.

If you don't overheat when the AC is running, check your relay box under the hood and search for a relay that should be labeled something along the lines of "Fan 2", "Fan High", "Fan AUX", or "Fan AC". If you find one, replace it or try switching it with another relay. Good luck!

Jun 02, 2014 | Cars & Trucks

1 Answer

I have a 93 firebird v6 3.4l car was running warm replaced tstat, water pump, tensioner pully, temp sending unit, fan relay, radiator cap, reservoir cap still running real warm, turn on heater blows cool...


Hi there, have you checked the colour of the oil in the motor, if not clear or normal and have a milky look, it sounds like the head gasket is on the way, it will still drive but the symptoms sound like the head gasket, Check the oil. Hope this will be of some help to solve the problem

Sep 01, 2010 | 1993 Pontiac Firebird

2 Answers

1991 Firebird Formula, timing shift during warm-up.


Change the coolant sensor, they are faily cheap and usually easy to get to. They are also prone to failure on the early years of fuel injection.

Feb 19, 2010 | 1991 Pontiac Firebird

1 Answer

93 plymouth Voyager temp gage gets hot only when


Your electric fan is probibly not running.Fan switch,fan relay or the fan could be bad.If it is getting hot and you pop the hood you should hear the fan running.

Jan 22, 2010 | 1993 Plymouth Voyager

1 Answer

I Have A 93 Ford Escort Lx Im Having A Problem Accelerating After Driving It For About Ten Minutes I Will Drive It For A Little Then When I Come To A Stop Light It Sputters And Jumps Around And Sometimes...


By the sounds of it, its like once your car gets hot its starts playing up. You should run a compression test on all ur cylinders..you can get a tester from your local automotive store quite cheap, you just screw it in or shove it in and hold it, start the car and use the throttle cable hinge to rev the car slowly up to redline.. do that while the engine is quite hot though to get a more accurate reading, especially because i think thats when your car starts playing up (when its hot) im just going to say it should be around 140 for all cylinders.. just double check that and cross check your readings with ford. It also could be a ECU problem, once your car is running hot (normal temp) the tuning is wrong.

Sep 09, 2009 | 1993 Ford Escort 4 Door

1 Answer

1994 Toyota Pick-up 4-cyl. overheating


I had the same problem and i replaced my fan clutch and it stayed cool at all times. that's is the problem.

Jun 30, 2009 | 1994 Toyota Pickup

1 Answer

1995 pontiac firebird formula v8 idle


The idle speed is not adjustable, it is computer (PCM) controlled, you can turn the screw for the hard stop, but the computer will just over ride that adjustment for the most part, what I think you may need to do is clean the throttle valve and the idle speed control air bypass valve, use carb spray, spray it in the intake with the engine running use the at least 1/2 the can, the engine will try to stall, keep it running, after you are done disconnect the battery for 10 minutes, reconnect and drive a few days so the computer (PCM) can relearn your driving habits and set the idle correctly based on your driving.

Oct 16, 2008 | 1995 Pontiac Firebird

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