Question about 1997 Buick LeSabre
It may be the transmission, check the transmission fluid level first.
will the engine rev up if you were to step on the gas pedal while in park, does engine rev and sound strong or is it slow and straving for power?
Posted on Nov 28, 2012
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Posted on Jan 02, 2017
The upper intake has a egr port right next to a coolant port, the egr is exhaust gas that is recyled into the intake for emission control. On a long trip the exhaust burns a hole between the two ports causing your problem. Pretty common on the 3.8. My suggestion is to stop driving it until you have it repaired, reason being is the coolant can travel down the intake and fill up the cylinders. If that happens, worst case you can damage a rod, but you will be stranded.
Posted on Apr 05, 2010
I would replace the coil, It may have a crack. You could try to remove the coil and apply some Di-Eletric grease but my opinion would be to replace it considering you could fix it but it may not last. Good Luck
Posted on Mar 06, 2011
Check your exhause smoke. If it looks like steam, then more than likely you could have a blown head gasket which would make the lights come on. If there is no steam in the tail pipe, then check your oil to see if it looks milky after the car has been running for a while. That means you have water in the oil. This could mean you may have a cracked head. If these things check out ok, then I would find the leak for the coolant.
Posted on Mar 24, 2011
SOURCE: Running hot, low on coolant
chances are you have a head gasket leak, the top of the engine will need dismantling, the head may need skimming on a milling machine, the radiator, thermostat & water pump should all be replaced at the same time as a premature failure of one such as the head usually means the imminent failure of the others, everything apart from the head can be done at home by even a novice mechanic with a Chilton's manual to save on cost & a replacement head gasket done by a decent garage should cost between 500 - 700 bucks, but call around to get the best price.
Posted on Sep 21, 2012
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